diff --git a/.eslintrc.js b/.eslintrc.js
index 22bb0158bc8e..27014cf9dd7b 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -109,7 +109,6 @@ module.exports = {
     },
     rules: {
         // TypeScript specific rules
-        '@typescript-eslint/no-unsafe-assignment': 'off',
         '@typescript-eslint/prefer-enum-initializers': 'error',
         '@typescript-eslint/no-var-requires': 'off',
         '@typescript-eslint/no-non-null-assertion': 'error',
diff --git a/.github/actions/javascript/bumpVersion/bumpVersion.ts b/.github/actions/javascript/bumpVersion/bumpVersion.ts
index ff43ab9ee5c5..92b81836ce13 100644
--- a/.github/actions/javascript/bumpVersion/bumpVersion.ts
+++ b/.github/actions/javascript/bumpVersion/bumpVersion.ts
@@ -49,7 +49,7 @@ if (!semanticVersionLevel || !versionUpdater.isValidSemverLevel(semanticVersionL
     console.log(`Invalid input for 'SEMVER_LEVEL': ${semanticVersionLevel}`, `Defaulting to: ${semanticVersionLevel}`);
 }
 
-const {version: previousVersion}: PackageJson = JSON.parse(fs.readFileSync('./package.json').toString());
+const {version: previousVersion} = JSON.parse(fs.readFileSync('./package.json').toString()) as PackageJson;
 if (!previousVersion) {
     core.setFailed('Error: Could not read package.json');
 }
diff --git a/.github/actions/javascript/createOrUpdateStagingDeploy/createOrUpdateStagingDeploy.ts b/.github/actions/javascript/createOrUpdateStagingDeploy/createOrUpdateStagingDeploy.ts
index aed8b9dcba0a..caff455e9fa5 100644
--- a/.github/actions/javascript/createOrUpdateStagingDeploy/createOrUpdateStagingDeploy.ts
+++ b/.github/actions/javascript/createOrUpdateStagingDeploy/createOrUpdateStagingDeploy.ts
@@ -8,13 +8,13 @@ import GitUtils from '@github/libs/GitUtils';
 
 type IssuesCreateResponse = Awaited<ReturnType<typeof GithubUtils.octokit.issues.create>>['data'];
 
-type PackageJSON = {
+type PackageJson = {
     version: string;
 };
 
 async function run(): Promise<IssuesCreateResponse | void> {
     // Note: require('package.json').version does not work because ncc will resolve that to a plain string at compile time
-    const packageJson: PackageJSON = JSON.parse(fs.readFileSync('package.json', 'utf8'));
+    const packageJson = JSON.parse(fs.readFileSync('package.json', 'utf8')) as PackageJson;
     const newVersionTag = packageJson.version;
 
     try {
diff --git a/.github/actions/javascript/getGraphiteString/getGraphiteString.ts b/.github/actions/javascript/getGraphiteString/getGraphiteString.ts
index 5231caa79ed5..93d5d8a9618b 100644
--- a/.github/actions/javascript/getGraphiteString/getGraphiteString.ts
+++ b/.github/actions/javascript/getGraphiteString/getGraphiteString.ts
@@ -33,7 +33,7 @@ const run = () => {
         }
 
         try {
-            const current: RegressionEntry = JSON.parse(entry);
+            const current = JSON.parse(entry) as RegressionEntry;
 
             // Extract timestamp, Graphite accepts timestamp in seconds
             if (current.metadata?.creationDate) {
diff --git a/.github/actions/javascript/getPreviousVersion/getPreviousVersion.ts b/.github/actions/javascript/getPreviousVersion/getPreviousVersion.ts
index a178d4073cbb..7799ffe7c9ec 100644
--- a/.github/actions/javascript/getPreviousVersion/getPreviousVersion.ts
+++ b/.github/actions/javascript/getPreviousVersion/getPreviousVersion.ts
@@ -11,7 +11,7 @@ function run() {
         core.setFailed(`'Error: Invalid input for 'SEMVER_LEVEL': ${semverLevel}`);
     }
 
-    const {version: currentVersion}: PackageJson = JSON.parse(readFileSync('./package.json', 'utf8'));
+    const {version: currentVersion} = JSON.parse(readFileSync('./package.json', 'utf8')) as PackageJson;
     if (!currentVersion) {
         core.setFailed('Error: Could not read package.json');
     }
diff --git a/.github/actions/javascript/validateReassureOutput/validateReassureOutput.ts b/.github/actions/javascript/validateReassureOutput/validateReassureOutput.ts
index ad0f393a96a2..d843caf61518 100644
--- a/.github/actions/javascript/validateReassureOutput/validateReassureOutput.ts
+++ b/.github/actions/javascript/validateReassureOutput/validateReassureOutput.ts
@@ -3,7 +3,7 @@ import type {CompareResult, PerformanceEntry} from '@callstack/reassure-compare/
 import fs from 'fs';
 
 const run = (): boolean => {
-    const regressionOutput: CompareResult = JSON.parse(fs.readFileSync('.reassure/output.json', 'utf8'));
+    const regressionOutput = JSON.parse(fs.readFileSync('.reassure/output.json', 'utf8')) as CompareResult;
     const countDeviation = Number(core.getInput('COUNT_DEVIATION', {required: true}));
     const durationDeviation = Number(core.getInput('DURATION_DEVIATION_PERCENTAGE', {required: true}));
 
diff --git a/__mocks__/@ua/react-native-airship.ts b/__mocks__/@ua/react-native-airship.ts
index ae7661ab672f..14909b58b31c 100644
--- a/__mocks__/@ua/react-native-airship.ts
+++ b/__mocks__/@ua/react-native-airship.ts
@@ -15,31 +15,31 @@ const iOS: Partial<typeof AirshipIOS> = {
     },
 };
 
-const pushIOS: AirshipPushIOS = jest.fn().mockImplementation(() => ({
+const pushIOS = jest.fn().mockImplementation(() => ({
     setBadgeNumber: jest.fn(),
     setForegroundPresentationOptions: jest.fn(),
     setForegroundPresentationOptionsCallback: jest.fn(),
-}))();
+}))() as AirshipPushIOS;
 
-const pushAndroid: AirshipPushAndroid = jest.fn().mockImplementation(() => ({
+const pushAndroid = jest.fn().mockImplementation(() => ({
     setForegroundDisplayPredicate: jest.fn(),
-}))();
+}))() as AirshipPushAndroid;
 
-const push: AirshipPush = jest.fn().mockImplementation(() => ({
+const push = jest.fn().mockImplementation(() => ({
     iOS: pushIOS,
     android: pushAndroid,
     enableUserNotifications: () => Promise.resolve(false),
     clearNotifications: jest.fn(),
     getNotificationStatus: () => Promise.resolve({airshipOptIn: false, systemEnabled: false, airshipEnabled: false}),
     getActiveNotifications: () => Promise.resolve([]),
-}))();
+}))() as AirshipPush;
 
-const contact: AirshipContact = jest.fn().mockImplementation(() => ({
+const contact = jest.fn().mockImplementation(() => ({
     identify: jest.fn(),
     getNamedUserId: () => Promise.resolve(undefined),
     reset: jest.fn(),
     module: jest.fn(),
-}))();
+}))() as AirshipContact;
 
 const Airship: Partial<AirshipRoot> = {
     addListener: jest.fn(),
diff --git a/__mocks__/fs.ts b/__mocks__/fs.ts
index cca0aa9520ec..3f8579557c82 100644
--- a/__mocks__/fs.ts
+++ b/__mocks__/fs.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-unsafe-assignment */
 const {fs} = require('memfs');
 
 module.exports = fs;
diff --git a/__mocks__/react-native.ts b/__mocks__/react-native.ts
index 27b78b308446..f0cd99825c3d 100644
--- a/__mocks__/react-native.ts
+++ b/__mocks__/react-native.ts
@@ -41,7 +41,7 @@ jest.doMock('react-native', () => {
         };
     };
 
-    const reactNativeMock: ReactNativeMock = Object.setPrototypeOf(
+    const reactNativeMock = Object.setPrototypeOf(
         {
             NativeModules: {
                 ...ReactNative.NativeModules,
@@ -102,7 +102,7 @@ jest.doMock('react-native', () => {
             },
         },
         ReactNative,
-    );
+    ) as ReactNativeMock;
 
     return reactNativeMock;
 });
diff --git a/config/webpack/webpack.common.ts b/config/webpack/webpack.common.ts
index bedd7e50ef94..33fd9131eca0 100644
--- a/config/webpack/webpack.common.ts
+++ b/config/webpack/webpack.common.ts
@@ -4,13 +4,13 @@ import dotenv from 'dotenv';
 import fs from 'fs';
 import HtmlWebpackPlugin from 'html-webpack-plugin';
 import path from 'path';
-import type {Compiler, Configuration} from 'webpack';
+import type {Class} from 'type-fest';
+import type {Configuration, WebpackPluginInstance} from 'webpack';
 import {DefinePlugin, EnvironmentPlugin, IgnorePlugin, ProvidePlugin} from 'webpack';
 import {BundleAnalyzerPlugin} from 'webpack-bundle-analyzer';
 import CustomVersionFilePlugin from './CustomVersionFilePlugin';
 import type Environment from './types';
 
-// importing anything from @vue/preload-webpack-plugin causes an error
 type Options = {
     rel: string;
     as: string;
@@ -18,13 +18,10 @@ type Options = {
     include: string;
 };
 
-type PreloadWebpackPluginClass = {
-    new (options?: Options): PreloadWebpackPluginClass;
-    apply: (compiler: Compiler) => void;
-};
+type PreloadWebpackPluginClass = Class<WebpackPluginInstance, [Options]>;
 
-// require is necessary, there are no types for this package and the declaration file can't be seen by the build process which causes an error.
-const PreloadWebpackPlugin: PreloadWebpackPluginClass = require('@vue/preload-webpack-plugin');
+// require is necessary, importing anything from @vue/preload-webpack-plugin causes an error
+const PreloadWebpackPlugin = require('@vue/preload-webpack-plugin') as PreloadWebpackPluginClass;
 
 const includeModules = [
     'react-native-animatable',
diff --git a/desktop/main.ts b/desktop/main.ts
index 6ab0bc6579d7..d8c46bbbc89b 100644
--- a/desktop/main.ts
+++ b/desktop/main.ts
@@ -141,7 +141,7 @@ const manuallyCheckForUpdates = (menuItem?: MenuItem, browserWindow?: BrowserWin
 
     autoUpdater
         .checkForUpdates()
-        .catch((error) => {
+        .catch((error: unknown) => {
             isSilentUpdating = false;
             return {error};
         })
@@ -617,7 +617,7 @@ const mainWindow = (): Promise<void> => {
                 });
 
                 const downloadQueue = createDownloadQueue();
-                ipcMain.on(ELECTRON_EVENTS.DOWNLOAD, (event, downloadData) => {
+                ipcMain.on(ELECTRON_EVENTS.DOWNLOAD, (event, downloadData: DownloadItem) => {
                     const downloadItem: DownloadItem = {
                         ...downloadData,
                         win: browserWindow,
diff --git a/jest/setup.ts b/jest/setup.ts
index f11a8a4ed631..1485d743dba2 100644
--- a/jest/setup.ts
+++ b/jest/setup.ts
@@ -1,5 +1,6 @@
 import '@shopify/flash-list/jestSetup';
 import 'react-native-gesture-handler/jestSetup';
+import type * as RNKeyboardController from 'react-native-keyboard-controller';
 import mockStorage from 'react-native-onyx/dist/storage/__mocks__';
 import 'setimmediate';
 import mockFSLibrary from './setupMockFullstoryLib';
@@ -54,5 +55,4 @@ jest.mock('react-native-share', () => ({
     default: jest.fn(),
 }));
 
-// eslint-disable-next-line @typescript-eslint/no-unsafe-return
-jest.mock('react-native-keyboard-controller', () => require('react-native-keyboard-controller/jest'));
+jest.mock('react-native-keyboard-controller', () => require<typeof RNKeyboardController>('react-native-keyboard-controller/jest'));
diff --git a/jest/setupMockFullstoryLib.ts b/jest/setupMockFullstoryLib.ts
index 9edfccab9441..eae3ea1f51bd 100644
--- a/jest/setupMockFullstoryLib.ts
+++ b/jest/setupMockFullstoryLib.ts
@@ -15,7 +15,7 @@ export default function mockFSLibrary() {
         return {
             FSPage(): FSPageInterface {
                 return {
-                    start: jest.fn(),
+                    start: jest.fn(() => {}),
                 };
             },
             default: Fullstory,
diff --git a/src/components/AttachmentModal.tsx b/src/components/AttachmentModal.tsx
index df027ed6edb4..450a49403215 100644
--- a/src/components/AttachmentModal.tsx
+++ b/src/components/AttachmentModal.tsx
@@ -320,7 +320,7 @@ function AttachmentModal({
             }
             let fileObject = data;
             if ('getAsFile' in data && typeof data.getAsFile === 'function') {
-                fileObject = data.getAsFile();
+                fileObject = data.getAsFile() as FileObject;
             }
             if (!fileObject) {
                 return;
diff --git a/src/components/Attachments/AttachmentCarousel/index.tsx b/src/components/Attachments/AttachmentCarousel/index.tsx
index 8f4a4446df99..36abe1e2e5ed 100644
--- a/src/components/Attachments/AttachmentCarousel/index.tsx
+++ b/src/components/Attachments/AttachmentCarousel/index.tsx
@@ -135,7 +135,7 @@ function AttachmentCarousel({report, reportActions, parentReportActions, source,
                 return;
             }
 
-            const item: Attachment = entry.item;
+            const item = entry.item as Attachment;
             if (entry.index !== null) {
                 setPage(entry.index);
                 setActiveSource(item.source);
diff --git a/src/components/Composer/index.tsx b/src/components/Composer/index.tsx
index f4a5174c2602..eb7091cd958c 100755
--- a/src/components/Composer/index.tsx
+++ b/src/components/Composer/index.tsx
@@ -251,7 +251,7 @@ function Composer(
     }, []);
 
     useEffect(() => {
-        const scrollingListener = DeviceEventEmitter.addListener(CONST.EVENTS.SCROLLING, (scrolling) => {
+        const scrollingListener = DeviceEventEmitter.addListener(CONST.EVENTS.SCROLLING, (scrolling: boolean) => {
             isReportFlatListScrolling.current = scrolling;
         });
 
diff --git a/src/components/FlatList/index.tsx b/src/components/FlatList/index.tsx
index f54eddcbeb79..d3e0459a11bb 100644
--- a/src/components/FlatList/index.tsx
+++ b/src/components/FlatList/index.tsx
@@ -54,7 +54,6 @@ function MVCPFlatList<TItem>({maintainVisibleContentPosition, horizontal = false
         return horizontal ? getScrollableNode(scrollRef.current)?.scrollLeft ?? 0 : getScrollableNode(scrollRef.current)?.scrollTop ?? 0;
     }, [horizontal]);
 
-    // eslint-disable-next-line @typescript-eslint/no-unsafe-return
     const getContentView = useCallback(() => getScrollableNode(scrollRef.current)?.childNodes[0], []);
 
     const scrollToOffset = useCallback(
diff --git a/src/components/Hoverable/ActiveHoverable.tsx b/src/components/Hoverable/ActiveHoverable.tsx
index abd48d432953..fd3d4f3d19e8 100644
--- a/src/components/Hoverable/ActiveHoverable.tsx
+++ b/src/components/Hoverable/ActiveHoverable.tsx
@@ -48,7 +48,7 @@ function ActiveHoverable({onHoverIn, onHoverOut, shouldHandleScroll, shouldFreez
             return;
         }
 
-        const scrollingListener = DeviceEventEmitter.addListener(CONST.EVENTS.SCROLLING, (scrolling) => {
+        const scrollingListener = DeviceEventEmitter.addListener(CONST.EVENTS.SCROLLING, (scrolling: boolean) => {
             isScrollingRef.current = scrolling;
             if (!isScrollingRef.current) {
                 setIsHovered(isHoveredRef.current);
@@ -102,7 +102,7 @@ function ActiveHoverable({onHoverIn, onHoverOut, shouldHandleScroll, shouldFreez
 
     const child = useMemo(() => getReturnValue(children, !isScrollingRef.current && isHovered), [children, isHovered]);
 
-    const {onMouseEnter, onMouseLeave, onMouseMove, onBlur}: OnMouseEvents = child.props;
+    const {onMouseEnter, onMouseLeave, onMouseMove, onBlur} = child.props as OnMouseEvents;
 
     const hoverAndForwardOnMouseEnter = useCallback(
         (e: MouseEvent) => {
diff --git a/src/components/IFrame.tsx b/src/components/IFrame.tsx
index 05da3a1edb9c..f492df0f3866 100644
--- a/src/components/IFrame.tsx
+++ b/src/components/IFrame.tsx
@@ -17,7 +17,7 @@ function getNewDotURL(url: string): string {
 
     let params: Record<string, string>;
     try {
-        params = JSON.parse(paramString);
+        params = JSON.parse(paramString) as Record<string, string>;
     } catch {
         params = {};
     }
diff --git a/src/components/LottieAnimations/index.tsx b/src/components/LottieAnimations/index.tsx
index 477ce02cd740..afbc9cd56e28 100644
--- a/src/components/LottieAnimations/index.tsx
+++ b/src/components/LottieAnimations/index.tsx
@@ -1,80 +1,81 @@
+import type {LottieViewProps} from 'lottie-react-native';
 import colors from '@styles/theme/colors';
 import variables from '@styles/variables';
 import type DotLottieAnimation from './types';
 
 const DotLottieAnimations = {
     Abracadabra: {
-        file: require('@assets/animations/Abracadabra.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/Abracadabra.lottie'),
         w: 375,
         h: 400,
     },
     FastMoney: {
-        file: require('@assets/animations/FastMoney.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/FastMoney.lottie'),
         w: 375,
         h: 240,
     },
     Fireworks: {
-        file: require('@assets/animations/Fireworks.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/Fireworks.lottie'),
         w: 360,
         h: 360,
     },
     Hands: {
-        file: require('@assets/animations/Hands.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/Hands.lottie'),
         w: 375,
         h: 375,
     },
     PreferencesDJ: {
-        file: require('@assets/animations/PreferencesDJ.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/PreferencesDJ.lottie'),
         w: 375,
         h: 240,
         backgroundColor: colors.blue500,
     },
     ReviewingBankInfo: {
-        file: require('@assets/animations/ReviewingBankInfo.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/ReviewingBankInfo.lottie'),
         w: 280,
         h: 280,
     },
     WorkspacePlanet: {
-        file: require('@assets/animations/WorkspacePlanet.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/WorkspacePlanet.lottie'),
         w: 375,
         h: 240,
         backgroundColor: colors.pink800,
     },
     SaveTheWorld: {
-        file: require('@assets/animations/SaveTheWorld.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/SaveTheWorld.lottie'),
         w: 375,
         h: 240,
     },
     Safe: {
-        file: require('@assets/animations/Safe.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/Safe.lottie'),
         w: 625,
         h: 400,
         backgroundColor: colors.ice500,
     },
     Magician: {
-        file: require('@assets/animations/Magician.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/Magician.lottie'),
         w: 853,
         h: 480,
     },
     Update: {
-        file: require('@assets/animations/Update.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/Update.lottie'),
         w: variables.updateAnimationW,
         h: variables.updateAnimationH,
     },
     Coin: {
-        file: require('@assets/animations/Coin.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/Coin.lottie'),
         w: 375,
         h: 240,
         backgroundColor: colors.yellow600,
     },
     Desk: {
-        file: require('@assets/animations/Desk.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/Desk.lottie'),
         w: 200,
         h: 120,
         backgroundColor: colors.blue700,
     },
     Plane: {
-        file: require('@assets/animations/Plane.lottie'),
+        file: require<LottieViewProps['source']>('@assets/animations/Plane.lottie'),
         w: 180,
         h: 200,
     },
diff --git a/src/components/MagicCodeInput.tsx b/src/components/MagicCodeInput.tsx
index 6239243cb5ab..956f3ffe5e02 100644
--- a/src/components/MagicCodeInput.tsx
+++ b/src/components/MagicCodeInput.tsx
@@ -298,7 +298,7 @@ function MagicCodeInput(
 
             // Fill the array with empty characters if there are no inputs.
             if (focusedIndex === 0 && !hasInputs) {
-                numbers = Array(maxLength).fill(CONST.MAGIC_CODE_EMPTY_CHAR);
+                numbers = Array<string>(maxLength).fill(CONST.MAGIC_CODE_EMPTY_CHAR);
 
                 // Deletes the value of the previous input and focuses on it.
             } else if (focusedIndex && focusedIndex !== 0) {
diff --git a/src/components/OfflineWithFeedback.tsx b/src/components/OfflineWithFeedback.tsx
index 28e1d81b30e4..ac9eda4043e8 100644
--- a/src/components/OfflineWithFeedback.tsx
+++ b/src/components/OfflineWithFeedback.tsx
@@ -1,6 +1,6 @@
 import {mapValues} from 'lodash';
 import React, {useCallback} from 'react';
-import type {ImageStyle, StyleProp, TextStyle, ViewStyle} from 'react-native';
+import type {StyleProp, ViewStyle} from 'react-native';
 import {View} from 'react-native';
 import useNetwork from '@hooks/useNetwork';
 import useStyleUtils from '@hooks/useStyleUtils';
@@ -60,7 +60,7 @@ type OfflineWithFeedbackProps = ChildrenProps & {
     canDismissError?: boolean;
 };
 
-type StrikethroughProps = Partial<ChildrenProps> & {style: Array<ViewStyle | TextStyle | ImageStyle>};
+type StrikethroughProps = Partial<ChildrenProps> & {style: AllStyles[]};
 
 function OfflineWithFeedback({
     pendingAction,
@@ -107,9 +107,10 @@ function OfflineWithFeedback({
                     return child;
                 }
 
-                const childProps: {children: React.ReactNode | undefined; style: AllStyles} = child.props;
+                type ChildComponentProps = ChildrenProps & {style?: AllStyles};
+                const childProps = child.props as ChildComponentProps;
                 const props: StrikethroughProps = {
-                    style: StyleUtils.combineStyles(childProps.style, styles.offlineFeedback.deleted, styles.userSelectNone),
+                    style: StyleUtils.combineStyles(childProps.style ?? [], styles.offlineFeedback.deleted, styles.userSelectNone),
                 };
 
                 if (childProps.children) {
diff --git a/src/components/Pressable/PressableWithDelayToggle.tsx b/src/components/Pressable/PressableWithDelayToggle.tsx
index 86f6c9d8aff8..617811637525 100644
--- a/src/components/Pressable/PressableWithDelayToggle.tsx
+++ b/src/components/Pressable/PressableWithDelayToggle.tsx
@@ -99,7 +99,7 @@ function PressableWithDelayToggle(
     return (
         <PressableView
             // Using `ref as any` due to variable component (Text or View) based on 'inline' prop; TypeScript workaround.
-            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-assignment
             ref={ref as any}
             onPress={updatePressState}
             accessibilityLabel={tooltipTexts}
diff --git a/src/components/Tooltip/PopoverAnchorTooltip.tsx b/src/components/Tooltip/PopoverAnchorTooltip.tsx
index 693de83fa5d7..5eb1f45dafcc 100644
--- a/src/components/Tooltip/PopoverAnchorTooltip.tsx
+++ b/src/components/Tooltip/PopoverAnchorTooltip.tsx
@@ -10,7 +10,7 @@ function PopoverAnchorTooltip({shouldRender = true, children, ...props}: Tooltip
 
     const isPopoverRelatedToTooltipOpen = useMemo(() => {
         // eslint-disable-next-line @typescript-eslint/dot-notation
-        const tooltipNode: Node | null = tooltipRef.current?.['_childNode'] ?? null;
+        const tooltipNode = (tooltipRef.current?.['_childNode'] as Node | undefined) ?? null;
 
         if (
             isOpen &&
diff --git a/src/libs/Console/index.ts b/src/libs/Console/index.ts
index f03d33674bde..9bbdb173e61b 100644
--- a/src/libs/Console/index.ts
+++ b/src/libs/Console/index.ts
@@ -87,8 +87,7 @@ const charMap: Record<string, string> = {
  * @param text the text to sanitize
  * @returns the sanitized text
  */
-function sanitizeConsoleInput(text: string) {
-    // eslint-disable-next-line @typescript-eslint/no-unsafe-return
+function sanitizeConsoleInput(text: string): string {
     return text.replace(charsToSanitize, (match) => charMap[match]);
 }
 
@@ -102,7 +101,7 @@ function createLog(text: string) {
     try {
         // @ts-expect-error Any code inside `sanitizedInput` that gets evaluated by `eval()` will be executed in the context of the current this value.
         // eslint-disable-next-line no-eval, no-invalid-this
-        const result = eval.call(this, text);
+        const result = eval.call(this, text) as unknown;
 
         if (result !== undefined) {
             return [
@@ -131,7 +130,7 @@ function parseStringifiedMessages(logs: Log[]): Log[] {
 
     return logs.map((log) => {
         try {
-            const parsedMessage = JSON.parse(log.message);
+            const parsedMessage = JSON.parse(log.message) as Log['message'];
             return {
                 ...log,
                 message: parsedMessage,
diff --git a/src/libs/E2E/utils/NetworkInterceptor.ts b/src/libs/E2E/utils/NetworkInterceptor.ts
index ad23afeb0c3b..511c8014f0cd 100644
--- a/src/libs/E2E/utils/NetworkInterceptor.ts
+++ b/src/libs/E2E/utils/NetworkInterceptor.ts
@@ -26,7 +26,7 @@ function getFetchRequestHeadersAsObject(fetchRequest: RequestInit): Record<strin
         });
     } else if (typeof fetchRequest.headers === 'object') {
         Object.entries(fetchRequest.headers).forEach(([key, value]) => {
-            headers[key] = value;
+            headers[key] = value as string;
         });
     }
     return headers;
diff --git a/src/libs/ExportOnyxState/index.native.ts b/src/libs/ExportOnyxState/index.native.ts
index 778b7f9f9cb2..bc32b29bc2ab 100644
--- a/src/libs/ExportOnyxState/index.native.ts
+++ b/src/libs/ExportOnyxState/index.native.ts
@@ -11,7 +11,7 @@ const readFromOnyxDatabase = () =>
 
         db.executeAsync(query, []).then(({rows}) => {
             // eslint-disable-next-line no-underscore-dangle, @typescript-eslint/no-unsafe-member-access
-            const result = rows?._array.map((row) => ({[row?.record_key]: JSON.parse(row?.valueJSON as string)}));
+            const result = rows?._array.map((row) => ({[row?.record_key]: JSON.parse(row?.valueJSON as string) as unknown}));
 
             resolve(result);
         });
diff --git a/src/libs/Navigation/linkTo/index.ts b/src/libs/Navigation/linkTo/index.ts
index 2c23cf573248..d8312937ed6f 100644
--- a/src/libs/Navigation/linkTo/index.ts
+++ b/src/libs/Navigation/linkTo/index.ts
@@ -72,7 +72,8 @@ export default function linkTo(navigation: NavigationContainerRef<RootStackParam
 
     // If action type is different than NAVIGATE we can't change it to the PUSH safely
     if (action?.type === CONST.NAVIGATION.ACTION_TYPE.NAVIGATE) {
-        const actionPayloadParams: ActionPayloadParams = action.payload.params;
+        const actionPayloadParams = action.payload.params as ActionPayloadParams;
+
         const topRouteName = lastRoute?.name;
 
         // CentralPane screens aren't nested in any navigator, if actionPayloadParams?.screen is undefined, it means the screen name and parameters have to be read directly from action.payload
diff --git a/src/libs/Navigation/linkingConfig/index.ts b/src/libs/Navigation/linkingConfig/index.ts
index 64a40a224495..1f556aa67809 100644
--- a/src/libs/Navigation/linkingConfig/index.ts
+++ b/src/libs/Navigation/linkingConfig/index.ts
@@ -12,7 +12,6 @@ const linkingConfig: LinkingOptions<RootStackParamList> = {
         const {adaptedState} = getAdaptedStateFromPath(...args);
 
         // ResultState | undefined is the type this function expect.
-        // eslint-disable-next-line @typescript-eslint/no-unsafe-return
         return adaptedState;
     },
     subscribe,
diff --git a/src/libs/Navigation/switchPolicyID.ts b/src/libs/Navigation/switchPolicyID.ts
index 0f6477a9ee0e..19626a400b9d 100644
--- a/src/libs/Navigation/switchPolicyID.ts
+++ b/src/libs/Navigation/switchPolicyID.ts
@@ -32,11 +32,11 @@ function getActionForBottomTabNavigator(action: StackNavigationAction, state: Na
         return;
     }
 
-    let name;
+    let name: string | undefined;
     let params: Record<string, string | undefined>;
     if (isCentralPaneName(action.payload.name)) {
         name = action.payload.name;
-        params = action.payload.params;
+        params = action.payload.params as Record<string, string | undefined>;
     } else {
         const actionPayloadParams = action.payload.params as ActionPayloadParams;
         name = actionPayloadParams.screen;
diff --git a/src/libs/Notification/PushNotification/index.native.ts b/src/libs/Notification/PushNotification/index.native.ts
index 34699f0610e1..f8500e35995e 100644
--- a/src/libs/Notification/PushNotification/index.native.ts
+++ b/src/libs/Notification/PushNotification/index.native.ts
@@ -31,7 +31,7 @@ function pushNotificationEventCallback(eventType: EventType, notification: PushP
 
     // On Android, some notification payloads are sent as a JSON string rather than an object
     if (typeof payload === 'string') {
-        payload = JSON.parse(payload);
+        payload = JSON.parse(payload) as string;
     }
 
     const data = payload as PushNotificationData;
diff --git a/src/libs/Notification/PushNotification/shouldShowPushNotification.ts b/src/libs/Notification/PushNotification/shouldShowPushNotification.ts
index fd6029857ded..026dcbf4ca4a 100644
--- a/src/libs/Notification/PushNotification/shouldShowPushNotification.ts
+++ b/src/libs/Notification/PushNotification/shouldShowPushNotification.ts
@@ -14,7 +14,7 @@ export default function shouldShowPushNotification(pushPayload: PushPayload): bo
 
     // The payload is string encoded on Android
     if (typeof payload === 'string') {
-        payload = JSON.parse(payload);
+        payload = JSON.parse(payload) as string;
     }
 
     const data = payload as PushNotificationData;
diff --git a/src/libs/Notification/clearReportNotifications/index.native.ts b/src/libs/Notification/clearReportNotifications/index.native.ts
index 3485df2d5ade..aabd24719ea8 100644
--- a/src/libs/Notification/clearReportNotifications/index.native.ts
+++ b/src/libs/Notification/clearReportNotifications/index.native.ts
@@ -8,7 +8,7 @@ import type ClearReportNotifications from './types';
 const parseNotificationAndReportIDs = (pushPayload: PushPayload) => {
     let payload = pushPayload.extras.payload;
     if (typeof payload === 'string') {
-        payload = JSON.parse(payload);
+        payload = JSON.parse(payload) as string;
     }
     const data = payload as PushNotificationData;
     return {
@@ -34,7 +34,7 @@ const clearReportNotifications: ClearReportNotifications = (reportID: string) =>
             Log.info(`[PushNotification] found ${reportNotificationIDs.length} notifications to clear`, false, {reportID});
             reportNotificationIDs.forEach((notificationID) => Airship.push.clearNotification(notificationID));
         })
-        .catch((error) => {
+        .catch((error: unknown) => {
             Log.alert(`${CONST.ERROR.ENSURE_BUGBOT} [PushNotification] BrowserNotifications.clearReportNotifications threw an error. This should never happen.`, {reportID, error});
         });
 };
diff --git a/src/libs/OptionsListUtils.ts b/src/libs/OptionsListUtils.ts
index b952fbe9af4e..7c495e625e10 100644
--- a/src/libs/OptionsListUtils.ts
+++ b/src/libs/OptionsListUtils.ts
@@ -992,7 +992,7 @@ function sortCategories(categories: Record<string, Category>): Category[] {
     const sortedCategories = Object.values(categories).sort((a, b) => a.name.localeCompare(b.name));
 
     // An object that respects nesting of categories. Also, can contain only uniq categories.
-    const hierarchy = {};
+    const hierarchy: Hierarchy = {};
     /**
      * Iterates over all categories to set each category in a proper place in hierarchy
      * It gets a path based on a category name e.g. "Parent: Child: Subcategory" -> "Parent.Child.Subcategory".
@@ -1010,7 +1010,7 @@ function sortCategories(categories: Record<string, Category>): Category[] {
      */
     sortedCategories.forEach((category) => {
         const path = category.name.split(CONST.PARENT_CHILD_SEPARATOR);
-        const existedValue = lodashGet(hierarchy, path, {});
+        const existedValue = lodashGet(hierarchy, path, {}) as Hierarchy;
         lodashSet(hierarchy, path, {
             ...existedValue,
             name: category.name,
diff --git a/src/libs/Pusher/pusher.ts b/src/libs/Pusher/pusher.ts
index 25641d985042..a3383dbadb8a 100644
--- a/src/libs/Pusher/pusher.ts
+++ b/src/libs/Pusher/pusher.ts
@@ -170,7 +170,7 @@ function bindEventToChannel<EventName extends PusherEventName>(channel: Channel
 
         let data: EventData<EventName>;
         try {
-            data = isObject(eventData) ? eventData : JSON.parse(eventData as string);
+            data = isObject(eventData) ? eventData : (JSON.parse(eventData) as EventData<EventName>);
         } catch (err) {
             Log.alert('[Pusher] Unable to parse single JSON event data from Pusher', {error: err, eventData});
             return;
diff --git a/src/libs/__mocks__/Permissions.ts b/src/libs/__mocks__/Permissions.ts
index 634626a507af..702aec6a7bd4 100644
--- a/src/libs/__mocks__/Permissions.ts
+++ b/src/libs/__mocks__/Permissions.ts
@@ -1,3 +1,4 @@
+import type Permissions from '@libs/Permissions';
 import CONST from '@src/CONST';
 import type Beta from '@src/types/onyx/Beta';
 
@@ -9,7 +10,7 @@ import type Beta from '@src/types/onyx/Beta';
  */
 
 export default {
-    ...jest.requireActual('../Permissions'),
+    ...jest.requireActual<typeof Permissions>('../Permissions'),
     canUseDefaultRooms: (betas: Beta[]) => betas.includes(CONST.BETAS.DEFAULT_ROOMS),
     canUseViolations: (betas: Beta[]) => betas.includes(CONST.BETAS.VIOLATIONS),
 };
diff --git a/src/libs/actions/OnyxUpdateManager/utils/__mocks__/index.ts b/src/libs/actions/OnyxUpdateManager/utils/__mocks__/index.ts
index b4d97a4399db..f66e059ff7f6 100644
--- a/src/libs/actions/OnyxUpdateManager/utils/__mocks__/index.ts
+++ b/src/libs/actions/OnyxUpdateManager/utils/__mocks__/index.ts
@@ -3,7 +3,7 @@ import createProxyForObject from '@src/utils/createProxyForObject';
 import type * as OnyxUpdateManagerUtilsImport from '..';
 import {applyUpdates} from './applyUpdates';
 
-const UtilsImplementation: typeof OnyxUpdateManagerUtilsImport = jest.requireActual('@libs/actions/OnyxUpdateManager/utils');
+const UtilsImplementation = jest.requireActual<typeof OnyxUpdateManagerUtilsImport>('@libs/actions/OnyxUpdateManager/utils');
 
 type OnyxUpdateManagerUtilsMockValues = {
     onValidateAndApplyDeferredUpdates: ((clientLastUpdateID?: number) => Promise<void>) | undefined;
diff --git a/src/libs/actions/Session/index.ts b/src/libs/actions/Session/index.ts
index db78b94731ae..0c362f870da4 100644
--- a/src/libs/actions/Session/index.ts
+++ b/src/libs/actions/Session/index.ts
@@ -773,7 +773,7 @@ function authenticatePusher(socketID: string, channelName: string, callback: Cha
             Log.info('[PusherAuthorizer] Pusher authenticated successfully', false, {channelName});
             callback(null, response as ChannelAuthorizationData);
         })
-        .catch((error) => {
+        .catch((error: unknown) => {
             Log.hmmm('[PusherAuthorizer] Unhandled error: ', {channelName, error});
             callback(new Error('AuthenticatePusher request failed'), {auth: ''});
         });
diff --git a/src/libs/actions/__mocks__/App.ts b/src/libs/actions/__mocks__/App.ts
index 03744b397597..09fd553a87f3 100644
--- a/src/libs/actions/__mocks__/App.ts
+++ b/src/libs/actions/__mocks__/App.ts
@@ -5,7 +5,7 @@ import ONYXKEYS from '@src/ONYXKEYS';
 import type {OnyxUpdatesFromServer} from '@src/types/onyx';
 import createProxyForObject from '@src/utils/createProxyForObject';
 
-const AppImplementation: typeof AppImport = jest.requireActual('@libs/actions/App');
+const AppImplementation = jest.requireActual<typeof AppImport>('@libs/actions/App');
 const {
     setLocale,
     setLocaleAndNavigate,
@@ -39,7 +39,7 @@ const mockValues: AppMockValues = {
 };
 const mockValuesProxy = createProxyForObject(mockValues);
 
-const ApplyUpdatesImplementation: typeof ApplyUpdatesImport = jest.requireActual('@libs/actions/OnyxUpdateManager/utils/applyUpdates');
+const ApplyUpdatesImplementation = jest.requireActual<typeof ApplyUpdatesImport>('@libs/actions/OnyxUpdateManager/utils/applyUpdates');
 const getMissingOnyxUpdates = jest.fn((_fromID: number, toID: number) => {
     if (mockValuesProxy.missingOnyxUpdatesToBeApplied === undefined) {
         return Onyx.set(ONYXKEYS.ONYX_UPDATES_LAST_UPDATE_ID_APPLIED_TO_CLIENT, toID);
diff --git a/src/libs/fileDownload/index.ios.ts b/src/libs/fileDownload/index.ios.ts
index 0e6701dbda3a..b1617bb440d0 100644
--- a/src/libs/fileDownload/index.ios.ts
+++ b/src/libs/fileDownload/index.ios.ts
@@ -44,7 +44,7 @@ function downloadVideo(fileUrl: string, fileName: string): Promise<PhotoIdentifi
         // Because CameraRoll doesn't allow direct downloads of video with remote URIs, we first download as documents, then copy to photo lib and unlink the original file.
         downloadFile(fileUrl, fileName)
             .then((attachment) => {
-                documentPathUri = attachment.data;
+                documentPathUri = attachment.data as string | null;
                 if (!documentPathUri) {
                     throw new Error('Error downloading video');
                 }
diff --git a/src/pages/settings/Wallet/ExpensifyCardPage.tsx b/src/pages/settings/Wallet/ExpensifyCardPage.tsx
index 02bb5dd99687..2f0f93cbd8b2 100644
--- a/src/pages/settings/Wallet/ExpensifyCardPage.tsx
+++ b/src/pages/settings/Wallet/ExpensifyCardPage.tsx
@@ -122,7 +122,7 @@ function ExpensifyCardPage({
                     [revealedCardID]: '',
                 }));
             })
-            .catch((error) => {
+            .catch((error: string) => {
                 setCardsDetailsErrors((prevState) => ({
                     ...prevState,
                     [revealedCardID]: error,
diff --git a/src/pages/workspace/WorkspaceMembersPage.tsx b/src/pages/workspace/WorkspaceMembersPage.tsx
index 51f1eabf7a45..01e40a2e3326 100644
--- a/src/pages/workspace/WorkspaceMembersPage.tsx
+++ b/src/pages/workspace/WorkspaceMembersPage.tsx
@@ -65,9 +65,8 @@ type WorkspaceMembersPageProps = WithPolicyAndFullscreenLoadingProps &
  * Inverts an object, equivalent of _.invert
  */
 function invertObject(object: Record<string, string>): Record<string, string> {
-    const invertedEntries = Object.entries(object).map(([key, value]) => [value, key]);
-    const inverted: Record<string, string> = Object.fromEntries(invertedEntries);
-    return inverted;
+    const invertedEntries = Object.entries(object).map(([key, value]) => [value, key] as const);
+    return Object.fromEntries(invertedEntries);
 }
 
 type MemberOption = Omit<ListItem, 'accountID'> & {accountID: number};
diff --git a/src/pages/workspace/WorkspaceMoreFeaturesPage.tsx b/src/pages/workspace/WorkspaceMoreFeaturesPage.tsx
index 84bdab0af82b..2c966eebeea4 100644
--- a/src/pages/workspace/WorkspaceMoreFeaturesPage.tsx
+++ b/src/pages/workspace/WorkspaceMoreFeaturesPage.tsx
@@ -91,7 +91,7 @@ function WorkspaceMoreFeaturesPage({policy, route}: WorkspaceMoreFeaturesPagePro
         !!policy?.connections?.netsuite?.options?.config?.syncOptions?.syncTax;
     const policyID = policy?.id ?? '';
     // @ts-expect-error a new props will be added during feed api implementation
-    const workspaceAccountID = policy?.workspaceAccountID ?? '';
+    const workspaceAccountID = (policy?.workspaceAccountID as string) ?? '';
     const [cardsList] = useOnyx(`${ONYXKEYS.COLLECTION.WORKSPACE_CARDS_LIST}${workspaceAccountID}_${CONST.EXPENSIFY_CARD.BANK}`);
     // Uncomment this line for testing disabled toggle feature - for c+
     // const [cardsList = mockedCardsList] = useOnyx(`${ONYXKEYS.COLLECTION.WORKSPACE_CARDS_LIST}${workspaceAccountID}_${CONST.EXPENSIFY_CARD.BANK}`);
diff --git a/src/pages/workspace/expensifyCard/WorkspaceExpensifyCardListPage.tsx b/src/pages/workspace/expensifyCard/WorkspaceExpensifyCardListPage.tsx
index 36aee07ab6b5..66b64b271792 100644
--- a/src/pages/workspace/expensifyCard/WorkspaceExpensifyCardListPage.tsx
+++ b/src/pages/workspace/expensifyCard/WorkspaceExpensifyCardListPage.tsx
@@ -131,6 +131,7 @@ function WorkspaceExpensifyCardListPage({route}: WorkspaceExpensifyCardListPageP
                         style={hovered && styles.hoveredComponentBG}
                         lastFourPAN={item.lastFourPAN ?? ''}
                         // @ts-expect-error TODO: change cardholder to accountID and get personal details with it
+                        // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
                         cardholder={item.cardholder}
                         limit={item.nameValuePairs?.unapprovedExpenseLimit ?? 0}
                         name={item.nameValuePairs?.cardTitle ?? ''}
diff --git a/src/styles/index.ts b/src/styles/index.ts
index dbaccc79c0a7..687115bc01e2 100644
--- a/src/styles/index.ts
+++ b/src/styles/index.ts
@@ -789,7 +789,7 @@ const styles = (theme: ThemeColors) =>
             height: 140,
         },
 
-        pickerSmall: (disabled = false, backgroundColor = theme.highlightBG) =>
+        pickerSmall: (disabled = false, backgroundColor: string = theme.highlightBG) =>
             ({
                 inputIOS: {
                     fontFamily: FontUtils.fontFamily.platform.EXP_NEUE,
@@ -1288,7 +1288,7 @@ const styles = (theme: ThemeColors) =>
             zIndex: 1,
         },
 
-        picker: (disabled = false, backgroundColor = theme.appBG) =>
+        picker: (disabled = false, backgroundColor: string = theme.appBG) =>
             ({
                 iconContainer: {
                     top: Math.round(variables.inputHeight * 0.5) - 11,
@@ -1557,7 +1557,7 @@ const styles = (theme: ThemeColors) =>
             borderColor: theme.success,
         },
 
-        statusIndicator: (backgroundColor = theme.danger) =>
+        statusIndicator: (backgroundColor: string = theme.danger) =>
             ({
                 borderColor: theme.sidebar,
                 backgroundColor,
@@ -1571,7 +1571,7 @@ const styles = (theme: ThemeColors) =>
                 zIndex: 10,
             } satisfies ViewStyle),
 
-        bottomTabStatusIndicator: (backgroundColor = theme.danger) => ({
+        bottomTabStatusIndicator: (backgroundColor: string = theme.danger) => ({
             borderColor: theme.sidebar,
             backgroundColor,
             borderRadius: 8,
diff --git a/src/styles/utils/index.ts b/src/styles/utils/index.ts
index f6f24404d928..09df150df0ed 100644
--- a/src/styles/utils/index.ts
+++ b/src/styles/utils/index.ts
@@ -1224,16 +1224,12 @@ const createStyleUtils = (theme: ThemeColors, styles: ThemeStyles) => ({
      */
     getAutoGrowHeightInputStyle: (textInputHeight: number, maxHeight: number): ViewStyle => {
         if (textInputHeight > maxHeight) {
-            // TODO: Remove this "eslint-disable-next" once the theme switching migration is done and styles are fully typed (GH Issue: https://github.com/Expensify/App/issues/27337)
-            // eslint-disable-next-line @typescript-eslint/no-unsafe-return
             return {
                 ...styles.pr0,
                 ...styles.overflowAuto,
             };
         }
 
-        // TODO: Remove this "eslint-disable-next" once the theme switching migration is done and styles are fully typed (GH Issue: https://github.com/Expensify/App/issues/27337)
-        // eslint-disable-next-line @typescript-eslint/no-unsafe-return
         return {
             ...styles.pr0,
             ...styles.overflowHidden,
@@ -1262,17 +1258,11 @@ const createStyleUtils = (theme: ThemeColors, styles: ThemeStyles) => ({
     getBadgeColorStyle: (isSuccess: boolean, isError: boolean, isPressed = false, isAdHoc = false): ViewStyle => {
         if (isSuccess) {
             if (isAdHoc) {
-                // TODO: Remove this "eslint-disable-next" once the theme switching migration is done and styles are fully typed (GH Issue: https://github.com/Expensify/App/issues/27337)
-                // eslint-disable-next-line @typescript-eslint/no-unsafe-return
                 return isPressed ? styles.badgeAdHocSuccessPressed : styles.badgeAdHocSuccess;
             }
-            // TODO: Remove this "eslint-disable-next" once the theme switching migration is done and styles are fully typed (GH Issue: https://github.com/Expensify/App/issues/27337)
-            // eslint-disable-next-line @typescript-eslint/no-unsafe-return
             return isPressed ? styles.badgeSuccessPressed : styles.badgeSuccess;
         }
         if (isError) {
-            // TODO: Remove this "eslint-disable-next" once the theme switching migration is done and styles are fully typed (GH Issue: https://github.com/Expensify/App/issues/27337)
-            // eslint-disable-next-line @typescript-eslint/no-unsafe-return
             return isPressed ? styles.badgeDangerPressed : styles.badgeDanger;
         }
         return {};
@@ -1349,8 +1339,6 @@ const createStyleUtils = (theme: ThemeColors, styles: ThemeStyles) => ({
             ...styles.cursorDisabled,
         };
 
-        // TODO: Remove this "eslint-disable-next" once the theme switching migration is done and styles are fully typed (GH Issue: https://github.com/Expensify/App/issues/27337)
-        // eslint-disable-next-line @typescript-eslint/no-unsafe-return
         return {
             ...styles.link,
             ...(isDisabled ? disabledLinkStyles : {}),
@@ -1416,8 +1404,6 @@ const createStyleUtils = (theme: ThemeColors, styles: ThemeStyles) => ({
 
     getGoogleListViewStyle: (shouldDisplayBorder: boolean): ViewStyle => {
         if (shouldDisplayBorder) {
-            // TODO: Remove this "eslint-disable-next" once the theme switching migration is done and styles are fully typed (GH Issue: https://github.com/Expensify/App/issues/27337)
-            // eslint-disable-next-line @typescript-eslint/no-unsafe-return
             return {
                 ...styles.borderTopRounded,
                 ...styles.borderBottomRounded,
@@ -1483,35 +1469,29 @@ const createStyleUtils = (theme: ThemeColors, styles: ThemeStyles) => ({
     /**
      * Generate the wrapper styles for the mini ReportActionContextMenu.
      */
-    getMiniReportActionContextMenuWrapperStyle: (isReportActionItemGrouped: boolean): ViewStyle =>
-        // TODO: Remove this "eslint-disable-next" once the theme switching migration is done and styles are fully typed (GH Issue: https://github.com/Expensify/App/issues/27337)
-        // eslint-disable-next-line @typescript-eslint/no-unsafe-return
-        ({
-            ...(isReportActionItemGrouped ? positioning.tn8 : positioning.tn4),
-            ...positioning.r4,
-            ...styles.cursorDefault,
-            ...styles.userSelectNone,
-            overflowAnchor: 'none',
-            position: 'absolute',
-            zIndex: 8,
-        }),
+    getMiniReportActionContextMenuWrapperStyle: (isReportActionItemGrouped: boolean): ViewStyle => ({
+        ...(isReportActionItemGrouped ? positioning.tn8 : positioning.tn4),
+        ...positioning.r4,
+        ...styles.cursorDefault,
+        ...styles.userSelectNone,
+        overflowAnchor: 'none',
+        position: 'absolute',
+        zIndex: 8,
+    }),
 
     /**
      * Generate the styles for the ReportActionItem wrapper view.
      */
-    getReportActionItemStyle: (isHovered = false, isClickable = false): ViewStyle =>
-        // TODO: Remove this "eslint-disable-next" once the theme switching migration is done and styles are fully typed (GH Issue: https://github.com/Expensify/App/issues/27337)
-        // eslint-disable-next-line @typescript-eslint/no-unsafe-return
-        ({
-            display: 'flex',
-            justifyContent: 'space-between',
-            backgroundColor: isHovered
-                ? theme.hoverComponentBG
-                : // Warning: Setting this to a non-transparent color will cause unread indicator to break on Android
-                  theme.transparent,
-            opacity: 1,
-            ...(isClickable ? styles.cursorPointer : styles.cursorInitial),
-        }),
+    getReportActionItemStyle: (isHovered = false, isClickable = false): ViewStyle => ({
+        display: 'flex',
+        justifyContent: 'space-between',
+        backgroundColor: isHovered
+            ? theme.hoverComponentBG
+            : // Warning: Setting this to a non-transparent color will cause unread indicator to break on Android
+              theme.transparent,
+        opacity: 1,
+        ...(isClickable ? styles.cursorPointer : styles.cursorInitial),
+    }),
 
     /**
      * Determines the theme color for a modal based on the app's background color,
@@ -1535,12 +1515,9 @@ const createStyleUtils = (theme: ThemeColors, styles: ThemeStyles) => ({
 
     getZoomCursorStyle: (isZoomed: boolean, isDragging: boolean): ViewStyle => {
         if (!isZoomed) {
-            // TODO: Remove this "eslint-disable-next" once the theme switching migration is done and styles are fully typed (GH Issue: https://github.com/Expensify/App/issues/27337)
-            // eslint-disable-next-line @typescript-eslint/no-unsafe-return
             return styles.cursorZoomIn;
         }
 
-        // eslint-disable-next-line @typescript-eslint/no-unsafe-return
         return isDragging ? styles.cursorGrabbing : styles.cursorZoomOut;
     },
 
diff --git a/src/types/modules/jest.d.ts b/src/types/modules/jest.d.ts
new file mode 100644
index 000000000000..532437d2f7cf
--- /dev/null
+++ b/src/types/modules/jest.d.ts
@@ -0,0 +1,13 @@
+declare global {
+    namespace jest {
+        // eslint-disable-next-line @typescript-eslint/consistent-type-definitions
+        interface Expect {
+            // eslint-disable-next-line @typescript-eslint/ban-types
+            objectContaining<E = {}>(obj: E): unknown;
+            arrayContaining<E = unknown>(arr: readonly E[]): unknown;
+        }
+    }
+}
+
+// We used the export {} line to mark this file as an external module
+export {};
diff --git a/src/utils/createProxyForObject.ts b/src/utils/createProxyForObject.ts
index c18e5e30a0d9..c5055845d5da 100644
--- a/src/utils/createProxyForObject.ts
+++ b/src/utils/createProxyForObject.ts
@@ -12,7 +12,7 @@ const createProxyForObject = <Value extends Record<string, unknown>>(value: Valu
 
             return target[property];
         },
-        set: (target, property, newValue) => {
+        set: (target, property, newValue: Value[string]) => {
             if (typeof property === 'symbol') {
                 return false;
             }
diff --git a/tests/actions/OnyxUpdateManagerTest.ts b/tests/actions/OnyxUpdateManagerTest.ts
index d1a10f8a4775..3a4ff0779217 100644
--- a/tests/actions/OnyxUpdateManagerTest.ts
+++ b/tests/actions/OnyxUpdateManagerTest.ts
@@ -20,7 +20,7 @@ import createOnyxMockUpdate from '../utils/createOnyxMockUpdate';
 jest.mock('@libs/actions/App');
 jest.mock('@libs/actions/OnyxUpdateManager/utils');
 jest.mock('@libs/actions/OnyxUpdateManager/utils/applyUpdates', () => {
-    const ApplyUpdatesImplementation: typeof ApplyUpdatesImport = jest.requireActual('@libs/actions/OnyxUpdateManager/utils/applyUpdates');
+    const ApplyUpdatesImplementation = jest.requireActual<typeof ApplyUpdatesImport>('@libs/actions/OnyxUpdateManager/utils/applyUpdates');
 
     return {
         applyUpdates: jest.fn((updates: DeferredUpdatesDictionary) => ApplyUpdatesImplementation.applyUpdates(updates)),
diff --git a/tests/perf-test/ChatFinderPage.perf-test.tsx b/tests/perf-test/ChatFinderPage.perf-test.tsx
index 55430b2a9d48..fda81265bdc0 100644
--- a/tests/perf-test/ChatFinderPage.perf-test.tsx
+++ b/tests/perf-test/ChatFinderPage.perf-test.tsx
@@ -27,7 +27,7 @@ import waitForBatchedUpdates from '../utils/waitForBatchedUpdates';
 import wrapOnyxWithWaitForBatchedUpdates from '../utils/wrapOnyxWithWaitForBatchedUpdates';
 
 jest.mock('lodash/debounce', () =>
-    jest.fn((fn: Record<string, jest.Mock<jest.Func>>) => {
+    jest.fn((fn: Record<string, jest.Mock>) => {
         // eslint-disable-next-line no-param-reassign
         fn.cancel = jest.fn();
         return fn;
@@ -50,7 +50,7 @@ jest.mock('@src/libs/Navigation/Navigation', () => ({
 }));
 
 jest.mock('@react-navigation/native', () => {
-    const actualNav = jest.requireActual('@react-navigation/native');
+    const actualNav = jest.requireActual<typeof NativeNavigation>('@react-navigation/native');
     return {
         ...actualNav,
         useFocusEffect: jest.fn(),
@@ -67,7 +67,7 @@ jest.mock('@react-navigation/native', () => {
             getCurrentRoute: () => jest.fn(),
             getState: () => jest.fn(),
         }),
-    } as typeof NativeNavigation;
+    };
 });
 
 jest.mock('@src/components/withNavigationFocus', () => (Component: ComponentType<WithNavigationFocusProps>) => {
diff --git a/tests/perf-test/OptionsListUtils.perf-test.ts b/tests/perf-test/OptionsListUtils.perf-test.ts
index ddd441f8fae2..16522297a416 100644
--- a/tests/perf-test/OptionsListUtils.perf-test.ts
+++ b/tests/perf-test/OptionsListUtils.perf-test.ts
@@ -64,13 +64,13 @@ const mockedPersonalDetailsMap = getMockedPersonalDetails(PERSONAL_DETAILS_LIST_
 const mockedBetas = Object.values(CONST.BETAS);
 
 jest.mock('@react-navigation/native', () => {
-    const actualNav = jest.requireActual('@react-navigation/native');
+    const actualNav = jest.requireActual<typeof NativeNavigation>('@react-navigation/native');
     return {
         ...actualNav,
         createNavigationContainerRef: () => ({
             getState: () => jest.fn(),
         }),
-    } as typeof NativeNavigation;
+    };
 });
 
 const options = OptionsListUtils.createOptionList(personalDetails, reports);
diff --git a/tests/perf-test/ReportActionCompose.perf-test.tsx b/tests/perf-test/ReportActionCompose.perf-test.tsx
index 9c6cfdae5a5c..e3aaccd1f050 100644
--- a/tests/perf-test/ReportActionCompose.perf-test.tsx
+++ b/tests/perf-test/ReportActionCompose.perf-test.tsx
@@ -21,17 +21,13 @@ import waitForBatchedUpdates from '../utils/waitForBatchedUpdates';
 // mock PortalStateContext
 jest.mock('@gorhom/portal');
 
-jest.mock(
-    'react-native-reanimated',
-    () =>
-        ({
-            ...jest.requireActual('react-native-reanimated/mock'),
-            useAnimatedRef: jest.fn(),
-        } as typeof Animated),
-);
+jest.mock('react-native-reanimated', () => ({
+    ...jest.requireActual<typeof Animated>('react-native-reanimated/mock'),
+    useAnimatedRef: jest.fn(),
+}));
 
 jest.mock('@react-navigation/native', () => {
-    const actualNav = jest.requireActual('@react-navigation/native');
+    const actualNav = jest.requireActual<typeof Navigation>('@react-navigation/native');
     return {
         ...actualNav,
         useNavigation: () => ({
@@ -40,11 +36,11 @@ jest.mock('@react-navigation/native', () => {
         }),
         useIsFocused: () => true,
         useNavigationState: () => {},
-    } as typeof Navigation;
+    };
 });
 
 jest.mock('@src/libs/actions/EmojiPickerAction', () => {
-    const actualEmojiPickerAction = jest.requireActual('@src/libs/actions/EmojiPickerAction');
+    const actualEmojiPickerAction = jest.requireActual<EmojiPickerRef>('@src/libs/actions/EmojiPickerAction');
     return {
         ...actualEmojiPickerAction,
         emojiPickerRef: {
@@ -55,7 +51,7 @@ jest.mock('@src/libs/actions/EmojiPickerAction', () => {
         showEmojiPicker: jest.fn(),
         hideEmojiPicker: jest.fn(),
         isActive: () => true,
-    } as EmojiPickerRef;
+    };
 });
 
 jest.mock('@src/components/withNavigationFocus', <TProps extends WithNavigationFocusProps>() => (Component: ComponentType<TProps>) => {
diff --git a/tests/perf-test/ReportActionsList.perf-test.tsx b/tests/perf-test/ReportActionsList.perf-test.tsx
index 56973205fe4b..f0fef9a8e574 100644
--- a/tests/perf-test/ReportActionsList.perf-test.tsx
+++ b/tests/perf-test/ReportActionsList.perf-test.tsx
@@ -52,12 +52,12 @@ jest.mock('@components/withCurrentUserPersonalDetails', () => {
 });
 
 jest.mock('@react-navigation/native', () => {
-    const actualNav = jest.requireActual('@react-navigation/native');
+    const actualNav = jest.requireActual<typeof Navigation>('@react-navigation/native');
     return {
         ...actualNav,
         useRoute: () => mockedNavigate,
         useIsFocused: () => true,
-    } as typeof Navigation;
+    };
 });
 
 jest.mock('@src/components/ConfirmedRoute.tsx');
diff --git a/tests/perf-test/ReportActionsUtils.perf-test.ts b/tests/perf-test/ReportActionsUtils.perf-test.ts
index f194cd32bbf4..a33a448cfee7 100644
--- a/tests/perf-test/ReportActionsUtils.perf-test.ts
+++ b/tests/perf-test/ReportActionsUtils.perf-test.ts
@@ -20,13 +20,13 @@ const getMockedReportActionsMap = (reportsLength = 10, actionsPerReportLength =
     const reportKeysMap = Array.from({length: reportsLength}, (v, i) => {
         const key = i + 1;
 
-        return {[`${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${key}`]: Object.assign({}, ...mockReportActions)};
+        return {[`${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${key}`]: Object.assign({}, ...mockReportActions) as Partial<ReportAction>};
     });
 
     return Object.assign({}, ...reportKeysMap) as Partial<ReportAction>;
 };
 
-const mockedReportActionsMap = getMockedReportActionsMap(2, 10000);
+const mockedReportActionsMap: Partial<ReportAction> = getMockedReportActionsMap(2, 10000);
 
 const reportActions = createCollection<ReportAction>(
     (item) => `${item.reportActionID}`,
diff --git a/tests/perf-test/ReportScreen.perf-test.tsx b/tests/perf-test/ReportScreen.perf-test.tsx
index 3c1edb1ebaca..5e609596601d 100644
--- a/tests/perf-test/ReportScreen.perf-test.tsx
+++ b/tests/perf-test/ReportScreen.perf-test.tsx
@@ -63,13 +63,13 @@ jest.mock('react-native', () => {
 });
 
 jest.mock('react-native-reanimated', () => {
-    const actualNav = jest.requireActual('react-native-reanimated/mock');
+    const actualNav = jest.requireActual<typeof Animated>('react-native-reanimated/mock');
     return {
         ...actualNav,
         useSharedValue: jest.fn,
         useAnimatedStyle: jest.fn,
         useAnimatedRef: jest.fn,
-    } as typeof Animated;
+    };
 });
 
 jest.mock('@src/components/ConfirmedRoute.tsx');
@@ -111,7 +111,7 @@ jest.mock('@src/libs/Navigation/Navigation', () => ({
 }));
 
 jest.mock('@react-navigation/native', () => {
-    const actualNav = jest.requireActual('@react-navigation/native');
+    const actualNav = jest.requireActual<typeof Navigation>('@react-navigation/native');
     return {
         ...actualNav,
         useFocusEffect: jest.fn(),
@@ -123,7 +123,7 @@ jest.mock('@react-navigation/native', () => {
         }),
         useNavigationState: () => {},
         createNavigationContainerRef: jest.fn(),
-    } as typeof Navigation;
+    };
 });
 
 // mock PortalStateContext
@@ -154,7 +154,7 @@ beforeEach(() => {
     mockListener.remove.mockClear();
 
     // Mock the implementation of addEventListener to return the mockListener
-    (Dimensions.addEventListener as jest.Mock).mockImplementation((event, callback) => {
+    (Dimensions.addEventListener as jest.Mock).mockImplementation((event: string, callback: () => void) => {
         if (event === 'change') {
             mockListener.callback = callback;
             return mockListener;
diff --git a/tests/ui/UnreadIndicatorsTest.tsx b/tests/ui/UnreadIndicatorsTest.tsx
index b5990ee5d002..2e143c4a86eb 100644
--- a/tests/ui/UnreadIndicatorsTest.tsx
+++ b/tests/ui/UnreadIndicatorsTest.tsx
@@ -92,7 +92,7 @@ const createAddListenerMock = (): ListenerMock => {
 };
 
 jest.mock('@react-navigation/native', () => {
-    const actualNav: jest.Mocked<typeof NativeNavigation> = jest.requireActual('@react-navigation/native');
+    const actualNav = jest.requireActual<typeof NativeNavigation>('@react-navigation/native');
     const {triggerTransitionEnd, addListener} = createAddListenerMock();
     transitionEndCB = triggerTransitionEnd;
 
@@ -111,7 +111,7 @@ jest.mock('@react-navigation/native', () => {
         getState: () => ({
             routes: [],
         }),
-    } as typeof NativeNavigation;
+    };
 });
 
 beforeAll(() => {
@@ -322,7 +322,7 @@ describe('Unread Indicators', () => {
                 const newMessageLineIndicatorHintText = Localize.translateLocal('accessibilityHints.newMessageLineIndicator');
                 const unreadIndicator = screen.queryAllByLabelText(newMessageLineIndicatorHintText);
                 expect(unreadIndicator).toHaveLength(1);
-                const reportActionID = unreadIndicator[0]?.props?.['data-action-id'];
+                const reportActionID = unreadIndicator[0]?.props?.['data-action-id'] as string;
                 expect(reportActionID).toBe('4');
                 // Scroll up and verify that the "New messages" badge appears
                 scrollUpToRevealNewMessagesBadge();
@@ -479,7 +479,7 @@ describe('Unread Indicators', () => {
                 const newMessageLineIndicatorHintText = Localize.translateLocal('accessibilityHints.newMessageLineIndicator');
                 const unreadIndicator = screen.queryAllByLabelText(newMessageLineIndicatorHintText);
                 expect(unreadIndicator).toHaveLength(1);
-                const reportActionID = unreadIndicator[0]?.props?.['data-action-id'];
+                const reportActionID = unreadIndicator[0]?.props?.['data-action-id'] as string;
                 expect(reportActionID).toBe('3');
                 // Scroll up and verify the new messages badge appears
                 scrollUpToRevealNewMessagesBadge();
diff --git a/tests/unit/GithubUtilsTest.ts b/tests/unit/GithubUtilsTest.ts
index 0ff25d16d06c..b157f105f469 100644
--- a/tests/unit/GithubUtilsTest.ts
+++ b/tests/unit/GithubUtilsTest.ts
@@ -34,6 +34,8 @@ type ObjectMethodData<T> = {
     data: T;
 };
 
+type OctokitCreateIssue = InternalOctokit['rest']['issues']['create'];
+
 const asMutable = <T>(value: T): Writable<T> => value as Writable<T>;
 
 beforeAll(() => {
@@ -44,7 +46,7 @@ beforeAll(() => {
     const moctokit = {
         rest: {
             issues: {
-                create: jest.fn().mockImplementation((arg) =>
+                create: jest.fn().mockImplementation((arg: Parameters<OctokitCreateIssue>[0]) =>
                     Promise.resolve({
                         data: {
                             ...arg,
diff --git a/tests/unit/RequestTest.ts b/tests/unit/RequestTest.ts
index bb444717ad41..74c42cdf02c4 100644
--- a/tests/unit/RequestTest.ts
+++ b/tests/unit/RequestTest.ts
@@ -18,8 +18,8 @@ const request: OnyxTypes.Request = {
 };
 
 test('Request.use() can register a middleware and it will run', () => {
-    const testMiddleware = jest.fn();
-    Request.use(testMiddleware);
+    const testMiddleware = jest.fn<Middleware, Parameters<Middleware>>();
+    Request.use(testMiddleware as unknown as Middleware);
 
     Request.processWithMiddleware(request, true);
     return waitForBatchedUpdates().then(() => {
diff --git a/tests/unit/createOrUpdateStagingDeployTest.ts b/tests/unit/createOrUpdateStagingDeployTest.ts
index 59ebe9d639cf..8cd340f317c7 100644
--- a/tests/unit/createOrUpdateStagingDeployTest.ts
+++ b/tests/unit/createOrUpdateStagingDeployTest.ts
@@ -34,7 +34,7 @@ beforeAll(() => {
     const moctokit = {
         rest: {
             issues: {
-                create: jest.fn().mockImplementation((arg) =>
+                create: jest.fn().mockImplementation((arg: Arguments) =>
                     Promise.resolve({
                         data: {
                             ...arg,
diff --git a/tests/unit/markPullRequestsAsDeployedTest.ts b/tests/unit/markPullRequestsAsDeployedTest.ts
index 8d8b25968a28..bf90921452ba 100644
--- a/tests/unit/markPullRequestsAsDeployedTest.ts
+++ b/tests/unit/markPullRequestsAsDeployedTest.ts
@@ -138,7 +138,7 @@ beforeAll(() => {
     jest.mock('../../.github/libs/ActionUtils', () => ({
         getJSONInput: jest.fn().mockImplementation((name: string, defaultValue: string) => {
             try {
-                const input: string = mockGetInput(name);
+                const input = mockGetInput(name) as string;
                 return JSON.parse(input) as unknown;
             } catch (err) {
                 return defaultValue;
@@ -171,10 +171,12 @@ afterAll(() => {
     jest.clearAllMocks();
 });
 
+type MockedActionRun = () => Promise<void>;
+
 describe('markPullRequestsAsDeployed', () => {
     it('comments on pull requests correctly for a standard staging deploy', async () => {
         // Note: we import this in here so that it executes after all the mocks are set up
-        run = require('../../.github/actions/javascript/markPullRequestsAsDeployed/markPullRequestsAsDeployed');
+        run = require<MockedActionRun>('../../.github/actions/javascript/markPullRequestsAsDeployed/markPullRequestsAsDeployed');
         await run();
         expect(mockCreateComment).toHaveBeenCalledTimes(Object.keys(PRList).length);
         for (let i = 0; i < Object.keys(PRList).length; i++) {
@@ -204,7 +206,7 @@ platform | result
         });
 
         // Note: we import this in here so that it executes after all the mocks are set up
-        run = require('../../.github/actions/javascript/markPullRequestsAsDeployed/markPullRequestsAsDeployed');
+        run = require<MockedActionRun>('../../.github/actions/javascript/markPullRequestsAsDeployed/markPullRequestsAsDeployed');
 
         await run();
         expect(mockCreateComment).toHaveBeenCalledTimes(Object.keys(PRList).length);
@@ -260,7 +262,7 @@ platform | result
         });
 
         // Note: we import this in here so that it executes after all the mocks are set up
-        run = require('../../.github/actions/javascript/markPullRequestsAsDeployed/markPullRequestsAsDeployed');
+        run = require<MockedActionRun>('../../.github/actions/javascript/markPullRequestsAsDeployed/markPullRequestsAsDeployed');
         await run();
         expect(mockCreateComment).toHaveBeenCalledTimes(1);
         expect(mockCreateComment).toHaveBeenCalledWith({
@@ -295,7 +297,7 @@ platform | result
         });
 
         // Note: we import this in here so that it executes after all the mocks are set up
-        run = require('../../.github/actions/javascript/markPullRequestsAsDeployed/markPullRequestsAsDeployed');
+        run = require<MockedActionRun>('../../.github/actions/javascript/markPullRequestsAsDeployed/markPullRequestsAsDeployed');
         await run();
         expect(mockCreateComment).toHaveBeenCalledTimes(Object.keys(PRList).length);
         for (let i = 0; i < Object.keys(PRList).length; i++) {
diff --git a/tests/unit/sanitizeStringForJSONParseTest.ts b/tests/unit/sanitizeStringForJSONParseTest.ts
index e269617d4f24..da09aa346db9 100644
--- a/tests/unit/sanitizeStringForJSONParseTest.ts
+++ b/tests/unit/sanitizeStringForJSONParseTest.ts
@@ -41,16 +41,15 @@ describe('santizeStringForJSONParse', () => {
     describe.each(invalidJSONData)('canHandleInvalidJSON', (input, expectedOutput) => {
         test('sanitizeStringForJSONParse', () => {
             const badJSON = `{"key": "${input}"}`;
-            // eslint-disable-next-line @typescript-eslint/no-unsafe-return -- it's supposed to throw an error
-            expect(() => JSON.parse(badJSON)).toThrow();
-            const goodJSON: ParsedJSON = JSON.parse(`{"key": "${sanitizeStringForJSONParse(input)}"}`);
+            expect(() => JSON.parse(badJSON) as unknown).toThrow();
+            const goodJSON = JSON.parse(`{"key": "${sanitizeStringForJSONParse(input)}"}`) as ParsedJSON;
             expect(goodJSON.key).toStrictEqual(expectedOutput);
         });
     });
 
     describe.each(validJSONData)('canHandleValidJSON', (input, expectedOutput) => {
         test('sanitizeStringForJSONParse', () => {
-            const goodJSON: ParsedJSON = JSON.parse(`{"key": "${sanitizeStringForJSONParse(input)}"}`);
+            const goodJSON = JSON.parse(`{"key": "${sanitizeStringForJSONParse(input)}"}`) as ParsedJSON;
             expect(goodJSON.key).toStrictEqual(expectedOutput);
         });
     });
diff --git a/tests/utils/LHNTestUtils.tsx b/tests/utils/LHNTestUtils.tsx
index 33a8678aa166..5000fda3ab73 100644
--- a/tests/utils/LHNTestUtils.tsx
+++ b/tests/utils/LHNTestUtils.tsx
@@ -33,8 +33,8 @@ type MockedSidebarLinksProps = {
     currentReportID?: string;
 };
 
-jest.mock('@react-navigation/native', (): typeof Navigation => {
-    const actualNav = jest.requireActual('@react-navigation/native');
+jest.mock('@react-navigation/native', () => {
+    const actualNav = jest.requireActual<typeof Navigation>('@react-navigation/native');
     return {
         ...actualNav,
         useRoute: jest.fn(),
@@ -45,7 +45,7 @@ jest.mock('@react-navigation/native', (): typeof Navigation => {
             addListener: jest.fn(),
         }),
         createNavigationContainerRef: jest.fn(),
-    } as typeof Navigation;
+    };
 });
 
 const fakePersonalDetails: PersonalDetailsList = {
diff --git a/tests/utils/collections/reportActions.ts b/tests/utils/collections/reportActions.ts
index 4836120a405b..d492fe9fa30d 100644
--- a/tests/utils/collections/reportActions.ts
+++ b/tests/utils/collections/reportActions.ts
@@ -5,7 +5,7 @@ import type {ReportAction} from '@src/types/onyx';
 import type ReportActionName from '@src/types/onyx/ReportActionName';
 import type DeepRecord from '@src/types/utils/DeepRecord';
 
-const flattenActionNamesValues = (actionNames: DeepRecord<string, ReportActionName>) => {
+const flattenActionNamesValues = (actionNames: DeepRecord<string, ReportActionName>): ReportActionName[] => {
     let result: ReportActionName[] = [];
     Object.values(actionNames).forEach((value) => {
         if (typeof value === 'object') {
@@ -35,9 +35,10 @@ const deprecatedReportActions: ReportActionName[] = [
 
 export default function createRandomReportAction(index: number): ReportAction {
     return {
-        // we need to add any here because of the way we are generating random values
-        // eslint-disable-next-line @typescript-eslint/no-explicit-any
-        actionName: rand(flattenActionNamesValues(CONST.REPORT.ACTIONS.TYPE).filter((actionType: ReportActionName) => !deprecatedReportActions.includes(actionType))) as any,
+        // We need to assert the type of actionName so that rest of the properties are inferred correctly
+        actionName: rand(
+            flattenActionNamesValues(CONST.REPORT.ACTIONS.TYPE).filter((actionType: ReportActionName) => !deprecatedReportActions.includes(actionType)),
+        ) as typeof CONST.REPORT.ACTIONS.TYPE.ADD_COMMENT,
         reportActionID: index.toString(),
         previousReportActionID: (index === 0 ? 0 : index - 1).toString(),
         actorAccountID: index,
diff --git a/tests/utils/debug.ts b/tests/utils/debug.ts
index b33acdf1d5d4..c6c88e19376d 100644
--- a/tests/utils/debug.ts
+++ b/tests/utils/debug.ts
@@ -4,7 +4,7 @@
  * the app.
  */
 
-/* eslint-disable  no-console, testing-library/no-node-access, testing-library/no-debugging-utils, @typescript-eslint/no-unsafe-return, @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-member-access */
+/* eslint-disable  no-console, testing-library/no-node-access, testing-library/no-debugging-utils, @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-return, @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-member-access */
 import type {NewPlugin} from 'pretty-format';
 import prettyFormat, {plugins} from 'pretty-format';
 import ReactIs from 'react-is';
diff --git a/workflow_tests/utils/JobMocker.ts b/workflow_tests/utils/JobMocker.ts
index 78be5c5861e6..9434b52ef0a5 100644
--- a/workflow_tests/utils/JobMocker.ts
+++ b/workflow_tests/utils/JobMocker.ts
@@ -94,9 +94,7 @@ class JobMocker {
     }
 
     readWorkflowFile(location: PathOrFileDescriptor): YamlWorkflow {
-        const test: YamlWorkflow = yaml.parse(fs.readFileSync(location, 'utf8'));
-
-        return test;
+        return yaml.parse(fs.readFileSync(location, 'utf8')) as YamlWorkflow;
     }
 
     writeWorkflowFile(location: PathOrFileDescriptor, data: YamlWorkflow) {
diff --git a/workflow_tests/utils/preGenerateTest.ts b/workflow_tests/utils/preGenerateTest.ts
index 1fbbd6e3de4c..2c2e18eaeafa 100644
--- a/workflow_tests/utils/preGenerateTest.ts
+++ b/workflow_tests/utils/preGenerateTest.ts
@@ -275,7 +275,7 @@ checkIfMocksFileExists(workflowTestMocksDirectory, workflowTestMocksFileName);
 const workflowTestAssertionsFileName = `${workflowName}Assertions.ts`;
 checkIfAssertionsFileExists(workflowTestAssertionsDirectory, workflowTestAssertionsFileName);
 
-const workflow: YamlWorkflow = yaml.parse(fs.readFileSync(workflowFilePath, 'utf8'));
+const workflow = yaml.parse(fs.readFileSync(workflowFilePath, 'utf8')) as YamlWorkflow;
 const workflowJobs = parseWorkflowFile(workflow);
 
 const mockFileContent = getMockFileContent(workflowName, workflowJobs);
diff --git a/workflow_tests/utils/utils.ts b/workflow_tests/utils/utils.ts
index 494f830fb744..1fd60e3f92bc 100644
--- a/workflow_tests/utils/utils.ts
+++ b/workflow_tests/utils/utils.ts
@@ -170,7 +170,7 @@ function setJobRunners(act: ExtendedAct, jobs: Record<string, string>, workflowP
         return act;
     }
 
-    const workflow: Workflow = yaml.parse(fs.readFileSync(workflowPath, 'utf8'));
+    const workflow = yaml.parse(fs.readFileSync(workflowPath, 'utf8')) as Workflow;
     Object.entries(jobs).forEach(([jobId, runner]) => {
         const job = workflow.jobs[jobId];
         job['runs-on'] = runner;