diff --git a/.api-reports/api-report-testing.api.md b/.api-reports/api-report-testing.api.md
index d96ca073927..91b9957c7ec 100644
--- a/.api-reports/api-report-testing.api.md
+++ b/.api-reports/api-report-testing.api.md
@@ -908,13 +908,6 @@ function isReference(obj: any): obj is Reference;
 // @public (undocumented)
 type IsStrictlyAny<T> = UnionToIntersection<UnionForAny<T>> extends never ? true : false;
 
-// @public (undocumented)
-export const itAsync: ((this: unknown, message: string, callback: (resolve: (result?: any) => void, reject: (reason?: any) => void) => any, timeout?: number | undefined) => void) & {
-    only: (message: string, callback: (resolve: (result?: any) => void, reject: (reason?: any) => void) => any, timeout?: number) => void;
-    skip: (message: string, callback: (resolve: (result?: any) => void, reject: (reason?: any) => void) => any, timeout?: number) => void;
-    todo: (message: string, callback: (resolve: (result?: any) => void, reject: (reason?: any) => void) => any, timeout?: number) => void;
-};
-
 // @public (undocumented)
 class LocalState<TCacheShape> {
     // Warning: (ae-forgotten-export) The symbol "LocalStateOptions" needs to be exported by the entry point index.d.ts
diff --git a/.api-reports/api-report-testing_core.api.md b/.api-reports/api-report-testing_core.api.md
index c5bbb1d5da9..54a46719af2 100644
--- a/.api-reports/api-report-testing_core.api.md
+++ b/.api-reports/api-report-testing_core.api.md
@@ -907,13 +907,6 @@ function isReference(obj: any): obj is Reference;
 // @public (undocumented)
 type IsStrictlyAny<T> = UnionToIntersection<UnionForAny<T>> extends never ? true : false;
 
-// @public (undocumented)
-export const itAsync: ((this: unknown, message: string, callback: (resolve: (result?: any) => void, reject: (reason?: any) => void) => any, timeout?: number | undefined) => void) & {
-    only: (message: string, callback: (resolve: (result?: any) => void, reject: (reason?: any) => void) => any, timeout?: number) => void;
-    skip: (message: string, callback: (resolve: (result?: any) => void, reject: (reason?: any) => void) => any, timeout?: number) => void;
-    todo: (message: string, callback: (resolve: (result?: any) => void, reject: (reason?: any) => void) => any, timeout?: number) => void;
-};
-
 // @public (undocumented)
 class LocalState<TCacheShape> {
     // Warning: (ae-forgotten-export) The symbol "LocalStateOptions" needs to be exported by the entry point index.d.ts
diff --git a/.changeset/itchy-drinks-refuse.md b/.changeset/itchy-drinks-refuse.md
new file mode 100644
index 00000000000..9b7111816d2
--- /dev/null
+++ b/.changeset/itchy-drinks-refuse.md
@@ -0,0 +1,5 @@
+---
+"@apollo/client": major
+---
+
+Remove `itAsync` test utility.
diff --git a/src/__tests__/__snapshots__/exports.ts.snap b/src/__tests__/__snapshots__/exports.ts.snap
index 1019413b6bd..7e8ee9063b8 100644
--- a/src/__tests__/__snapshots__/exports.ts.snap
+++ b/src/__tests__/__snapshots__/exports.ts.snap
@@ -360,7 +360,6 @@ Array [
   "MockSubscriptionLink",
   "MockedProvider",
   "createMockClient",
-  "itAsync",
   "mockObservableLink",
   "mockSingleLink",
   "tick",
@@ -376,7 +375,6 @@ Array [
   "MockLink",
   "MockSubscriptionLink",
   "createMockClient",
-  "itAsync",
   "mockObservableLink",
   "mockSingleLink",
   "tick",
diff --git a/src/testing/core/index.ts b/src/testing/core/index.ts
index 94af1dbe3ea..65bec6a5bc5 100644
--- a/src/testing/core/index.ts
+++ b/src/testing/core/index.ts
@@ -9,6 +9,5 @@ export {
   mockObservableLink,
 } from "./mocking/mockSubscriptionLink.js";
 export { createMockClient } from "./mocking/mockClient.js";
-export { itAsync } from "./itAsync.js";
 export { wait, tick } from "./wait.js";
 export * from "./withConsoleSpy.js";
diff --git a/src/testing/core/itAsync.ts b/src/testing/core/itAsync.ts
deleted file mode 100644
index fc664cbac07..00000000000
--- a/src/testing/core/itAsync.ts
+++ /dev/null
@@ -1,32 +0,0 @@
-function wrap(key?: "only" | "skip" | "todo") {
-  return (
-    message: string,
-    callback: (
-      resolve: (result?: any) => void,
-      reject: (reason?: any) => void
-    ) => any,
-    timeout?: number
-  ) =>
-    (key ? it[key] : it)(
-      message,
-      function (this: unknown) {
-        return new Promise((resolve, reject) =>
-          callback.call(this, resolve, reject)
-        );
-      },
-      timeout
-    );
-}
-
-const wrappedIt = wrap();
-
-export const itAsync = Object.assign(
-  function (this: unknown, ...args: Parameters<typeof wrappedIt>) {
-    return wrappedIt.apply(this, args);
-  },
-  {
-    only: wrap("only"),
-    skip: wrap("skip"),
-    todo: wrap("todo"),
-  }
-);