diff --git a/browser/base/content/browser-init.js b/browser/base/content/browser-init.js
index 1799bc25ccf72..5768a5ddd0a4c 100644
--- a/browser/base/content/browser-init.js
+++ b/browser/base/content/browser-init.js
@@ -613,8 +613,6 @@ var gBrowserInit = {
 
     CaptivePortalWatcher.delayedStartup();
 
-    ShoppingSidebarManager.ensureInitialized();
-
     SessionStore.promiseAllWindowsRestored.then(() => {
       this._schedulePerWindowIdleTasks();
       document.documentElement.setAttribute("sessionrestored", "true");
diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
index 4e14670a498e1..6eee36cddbb2b 100644
--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@@ -39,7 +39,7 @@ ChromeUtils.defineESModuleGetters(this, {
   E10SUtils: "resource://gre/modules/E10SUtils.sys.mjs",
   ExtensionsUI: "resource:///modules/ExtensionsUI.sys.mjs",
   HomePage: "resource:///modules/HomePage.sys.mjs",
-  isProductURL: "chrome://global/content/shopping/ShoppingProduct.mjs",
+  // Removed isProductURL from ShoppingProduct.mjs. tor-browser#42831.
   LightweightThemeConsumer:
     "resource://gre/modules/LightweightThemeConsumer.sys.mjs",
   LoginHelper: "resource://gre/modules/LoginHelper.sys.mjs",
@@ -71,8 +71,8 @@ ChromeUtils.defineESModuleGetters(this, {
   SearchUIUtils: "resource:///modules/SearchUIUtils.sys.mjs",
   SessionStartup: "resource:///modules/sessionstore/SessionStartup.sys.mjs",
   SessionStore: "resource:///modules/sessionstore/SessionStore.sys.mjs",
-  ShoppingSidebarParent: "resource:///actors/ShoppingSidebarParent.sys.mjs",
-  ShoppingSidebarManager: "resource:///actors/ShoppingSidebarParent.sys.mjs",
+  // Removed ShoppingSidebarParent and ShoppingSidebarManager.
+  // tor-browser#42831.
   ShortcutUtils: "resource://gre/modules/ShortcutUtils.sys.mjs",
   SiteDataManager: "resource:///modules/SiteDataManager.sys.mjs",
   SitePermissions: "resource:///modules/SitePermissions.sys.mjs",
@@ -4340,10 +4340,6 @@ var TabsProgressListener = {
       return;
     }
 
-    // Some shops use pushState to move between individual products, so
-    // the shopping code needs to be told about all of these.
-    ShoppingSidebarManager.onLocationChange(aBrowser, aLocationURI, aFlags);
-
     // Filter out location changes caused by anchor navigation
     // or history.push/pop/replaceState.
     if (aFlags & Ci.nsIWebProgressListener.LOCATION_CHANGE_SAME_DOCUMENT) {
diff --git a/browser/base/content/browser.js.globals b/browser/base/content/browser.js.globals
index 95c5318f43e75..18e9bbeebf280 100644
--- a/browser/base/content/browser.js.globals
+++ b/browser/base/content/browser.js.globals
@@ -130,7 +130,6 @@
   "E10SUtils",
   "ExtensionsUI",
   "HomePage",
-  "isProductURL",
   "LightweightThemeConsumer",
   "LoginHelper",
   "LoginManagerParent",
@@ -161,8 +160,6 @@
   "SearchUIUtils",
   "SessionStartup",
   "SessionStore",
-  "ShoppingSidebarParent",
-  "ShoppingSidebarManager",
   "ShortcutUtils",
   "SiteDataManager",
   "SitePermissions",
diff --git a/browser/base/content/browser.xhtml b/browser/base/content/browser.xhtml
index 6689bc89487be..7e24fb3da0d12 100644
--- a/browser/base/content/browser.xhtml
+++ b/browser/base/content/browser.xhtml
@@ -127,7 +127,7 @@
   Services.scriptloader.loadSubScript("chrome://browser/content/places/places-menupopup.js", this);
   Services.scriptloader.loadSubScript("chrome://browser/content/search/autocomplete-popup.js", this);
   Services.scriptloader.loadSubScript("chrome://browser/content/search/searchbar.js", this);
-  Services.scriptloader.loadSubScript("chrome://browser/content/shopping/shopping-sidebar.js", this);
+  // Removed shopping-sidebar.js. tor-browser#42831.
   Services.scriptloader.loadSubScript("chrome://browser/content/languageNotification.js", this);
 
   window.onload = gBrowserInit.onLoad.bind(gBrowserInit);
diff --git a/browser/base/content/navigator-toolbox.inc.xhtml b/browser/base/content/navigator-toolbox.inc.xhtml
index 8cf06697bc664..b13922707ac11 100644
--- a/browser/base/content/navigator-toolbox.inc.xhtml
+++ b/browser/base/content/navigator-toolbox.inc.xhtml
@@ -380,6 +380,8 @@
                 <image class="urlbar-icon" id="translations-button-circle-arrows" />
                 <html:span id="translations-button-locale" aria-hidden="true" />
               </hbox>
+              <!-- #shopping-sidebar-button should remain hidden.
+                 - tor-browser#42831. -->
               <hbox id="shopping-sidebar-button"
                   class="urlbar-page-action"
                   role="button"
diff --git a/browser/components/BrowserGlue.sys.mjs b/browser/components/BrowserGlue.sys.mjs
index 08417bdcabc82..f0ef790d2a5b2 100644
--- a/browser/components/BrowserGlue.sys.mjs
+++ b/browser/components/BrowserGlue.sys.mjs
@@ -86,7 +86,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
   SessionStore: "resource:///modules/sessionstore/SessionStore.sys.mjs",
   ShellService: "resource:///modules/ShellService.sys.mjs",
   ShortcutUtils: "resource://gre/modules/ShortcutUtils.sys.mjs",
-  ShoppingUtils: "resource:///modules/ShoppingUtils.sys.mjs",
+  // Removed ShoppingUtils. tor-browser#42831.
   SpecialMessageActions:
     "resource://messaging-system/lib/SpecialMessageActions.sys.mjs",
   TRRRacer: "resource:///modules/TRRPerformance.sys.mjs",
@@ -481,19 +481,7 @@ let JSWINDOWACTORS = {
     matches: ["about:tabcrashed*"],
   },
 
-  AboutWelcomeShopping: {
-    parent: {
-      esModuleURI: "resource:///actors/AboutWelcomeParent.sys.mjs",
-    },
-    child: {
-      esModuleURI: "resource:///actors/AboutWelcomeChild.sys.mjs",
-      events: {
-        Update: {},
-      },
-    },
-    matches: ["about:shoppingsidebar"],
-    remoteTypes: ["privilegedabout"],
-  },
+  // Removed AboutWelcomeShopping. tor-browser#42831.
 
   AboutWelcome: {
     parent: {
@@ -890,27 +878,7 @@ let JSWINDOWACTORS = {
     matches: ["about:studies*"],
   },
 
-  ShoppingSidebar: {
-    parent: {
-      esModuleURI: "resource:///actors/ShoppingSidebarParent.sys.mjs",
-    },
-    child: {
-      esModuleURI: "resource:///actors/ShoppingSidebarChild.sys.mjs",
-      events: {
-        ContentReady: { wantUntrusted: true },
-        PolledRequestMade: { wantUntrusted: true },
-        // This is added so the actor instantiates immediately and makes
-        // methods available to the page js on load.
-        DOMDocElementInserted: {},
-        ReportProductAvailable: { wantUntrusted: true },
-        AdClicked: { wantUntrusted: true },
-        AdImpression: { wantUntrusted: true },
-        DisableShopping: { wantUntrusted: true },
-      },
-    },
-    matches: ["about:shoppingsidebar"],
-    remoteTypes: ["privilegedabout"],
-  },
+  // Removed ShoppingSidebar. tor-browser#42831.
 
   SpeechDispatcher: {
     parent: {
@@ -2276,7 +2244,6 @@ BrowserGlue.prototype = {
         }
       },
       () => lazy.RFPHelper.uninit(),
-      () => lazy.ShoppingUtils.uninit(),
       () => {
         if (AppConstants.MOZ_UPDATER) {
           lazy.UpdateListener.reset();
@@ -3234,13 +3201,6 @@ BrowserGlue.prototype = {
         },
       },
 
-      {
-        name: "ShoppingUtils.init",
-        task: () => {
-          lazy.ShoppingUtils.init();
-        },
-      },
-
       {
         // Starts the JSOracle process for ORB JavaScript validation, if it hasn't started already.
         name: "start-orb-javascript-oracle",
diff --git a/browser/components/about/AboutRedirector.cpp b/browser/components/about/AboutRedirector.cpp
index 5044cbe449876..7b66513f46835 100644
--- a/browser/components/about/AboutRedirector.cpp
+++ b/browser/components/about/AboutRedirector.cpp
@@ -96,12 +96,7 @@ static const RedirEntry kRedirMap[] = {
     {"sessionrestore", "chrome://browser/content/aboutSessionRestore.xhtml",
      nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::HIDE_FROM_ABOUTABOUT |
          nsIAboutModule::IS_SECURE_CHROME_UI},
-    {"shoppingsidebar", "chrome://browser/content/shopping/shopping.html",
-     nsIAboutModule::URI_MUST_LOAD_IN_CHILD |
-         nsIAboutModule::URI_CAN_LOAD_IN_PRIVILEGEDABOUT_PROCESS |
-         nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
-         nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::HIDE_FROM_ABOUTABOUT |
-         nsIAboutModule::IS_SECURE_CHROME_UI},
+    // Removed about:shoppingsidebar. tor-browser#42831.
     {"tabcrashed", "chrome://browser/content/aboutTabCrashed.xhtml",
      nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
          nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::HIDE_FROM_ABOUTABOUT},
diff --git a/browser/components/about/components.conf b/browser/components/about/components.conf
index 12b3ce822f19d..58203b0ced5e5 100644
--- a/browser/components/about/components.conf
+++ b/browser/components/about/components.conf
@@ -24,7 +24,7 @@ pages = [
     'rights',
     'sessionrestore',
     'settings',
-    'shoppingsidebar',
+    # Removed 'shoppingsidebar'. tor-browser#42831.
     'tabcrashed',
     'unloads',
     'welcome',
diff --git a/browser/components/shopping/jar.mn b/browser/components/shopping/jar.mn
index 25fe1b1c0e941..06cfce0a71865 100644
--- a/browser/components/shopping/jar.mn
+++ b/browser/components/shopping/jar.mn
@@ -2,30 +2,4 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-browser.jar:
-    content/browser/shopping/onboarding.mjs (content/onboarding.mjs)
-    content/browser/shopping/shopping.html (content/shopping.html)
-    content/browser/shopping/shopping-container.css (content/shopping-container.css)
-    content/browser/shopping/shopping-page.css (content/shopping-page.css)
-    content/browser/shopping/shopping-sidebar.js (content/shopping-sidebar.js)
-    content/browser/shopping/shopping-message-bar.css (content/shopping-message-bar.css)
-    content/browser/shopping/shopping-message-bar.mjs (content/shopping-message-bar.mjs)
-    content/browser/shopping/highlights.mjs (content/highlights.mjs)
-    content/browser/shopping/highlight-item.css (content/highlight-item.css)
-    content/browser/shopping/highlight-item.mjs (content/highlight-item.mjs)
-    content/browser/shopping/shopping-card.css (content/shopping-card.css)
-    content/browser/shopping/shopping-card.mjs (content/shopping-card.mjs)
-    content/browser/shopping/letter-grade.css (content/letter-grade.css)
-    content/browser/shopping/letter-grade.mjs (content/letter-grade.mjs)
-    content/browser/shopping/settings.mjs (content/settings.mjs)
-    content/browser/shopping/settings.css (content/settings.css)
-    content/browser/shopping/shopping-container.mjs (content/shopping-container.mjs)
-    content/browser/shopping/adjusted-rating.mjs (content/adjusted-rating.mjs)
-    content/browser/shopping/reliability.mjs (content/reliability.mjs)
-    content/browser/shopping/analysis-explainer.css (content/analysis-explainer.css)
-    content/browser/shopping/analysis-explainer.mjs (content/analysis-explainer.mjs)
-    content/browser/shopping/unanalyzed.css (content/unanalyzed.css)
-    content/browser/shopping/unanalyzed.mjs (content/unanalyzed.mjs)
-    content/browser/shopping/recommended-ad.css (content/recommended-ad.css)
-    content/browser/shopping/recommended-ad.mjs (content/recommended-ad.mjs)
-    content/browser/shopping/assets/ (content/assets/*)
+# Removed desktop shopping-sidebar content. tor-browser#42831.
diff --git a/browser/components/shopping/moz.build b/browser/components/shopping/moz.build
index 1db819a6317b1..18fa6f7bd4da1 100644
--- a/browser/components/shopping/moz.build
+++ b/browser/components/shopping/moz.build
@@ -6,14 +6,8 @@
 
 JAR_MANIFESTS += ["jar.mn"]
 
-FINAL_TARGET_FILES.actors += [
-    "ShoppingSidebarChild.sys.mjs",
-    "ShoppingSidebarParent.sys.mjs",
-]
-
-EXTRA_JS_MODULES += [
-    "ShoppingUtils.sys.mjs",
-]
+# Removed ShoppingSidebarParent, ShoppingSidebarChild and ShoppingUtils.
+# tor-browser#42831.
 
 BROWSER_CHROME_MANIFESTS += ["tests/browser/browser.toml"]
 
diff --git a/toolkit/components/shopping/jar.mn b/toolkit/components/shopping/jar.mn
index d6a9720b10587..f0a462c9b5eb2 100644
--- a/toolkit/components/shopping/jar.mn
+++ b/toolkit/components/shopping/jar.mn
@@ -2,19 +2,4 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-toolkit.jar:
-  content/global/shopping/ProductConfig.mjs (content/ProductConfig.mjs)
-  content/global/shopping/ProductValidator.sys.mjs (content/ProductValidator.sys.mjs)
-  content/global/shopping/ShoppingProduct.mjs (content/ShoppingProduct.mjs)
-  content/global/shopping/analysis_response.schema.json (schemas/analysis_response.schema.json)
-  content/global/shopping/recommendations_response.schema.json (schemas/recommendations_response.schema.json)
-  content/global/shopping/analysis_request.schema.json (schemas/analysis_request.schema.json)
-  content/global/shopping/recommendations_request.schema.json (schemas/recommendations_request.schema.json)
-  content/global/shopping/attribution_response.schema.json (schemas/attribution_response.schema.json)
-  content/global/shopping/attribution_request.schema.json (schemas/attribution_request.schema.json)
-  content/global/shopping/reporting_response.schema.json (schemas/reporting_response.schema.json)
-  content/global/shopping/reporting_request.schema.json (schemas/reporting_request.schema.json)
-  content/global/shopping/analysis_status_request.schema.json (schemas/analysis_status_request.schema.json)
-  content/global/shopping/analysis_status_response.schema.json (schemas/analysis_status_response.schema.json)
-  content/global/shopping/analyze_request.schema.json (schemas/analyze_request.schema.json)
-  content/global/shopping/analyze_response.schema.json (schemas/analyze_response.schema.json)
+# Removed ShoppingProduct modules and schema JSONs. tor-browser#42831.
diff --git a/toolkit/modules/RemotePageAccessManager.sys.mjs b/toolkit/modules/RemotePageAccessManager.sys.mjs
index 15b992094f0ba..48b8875e62857 100644
--- a/toolkit/modules/RemotePageAccessManager.sys.mjs
+++ b/toolkit/modules/RemotePageAccessManager.sys.mjs
@@ -216,21 +216,7 @@ export let RemotePageAccessManager = {
       ],
       RPMRecordTelemetryEvent: ["*"],
     },
-    "about:shoppingsidebar": {
-      RPMSetPref: [
-        "browser.shopping.experience2023.optedIn",
-        "browser.shopping.experience2023.active",
-        "browser.shopping.experience2023.ads.userEnabled",
-        "browser.shopping.experience2023.sidebarClosedCount",
-        "browser.shopping.experience2023.showKeepSidebarClosedMessage",
-        "browser.shopping.experience2023.autoOpen.userEnabled",
-      ],
-      RPMGetFormatURLPref: ["app.support.baseURL"],
-      RPMGetIntPref: ["browser.shopping.experience2023.sidebarClosedCount"],
-      RPMGetBoolPref: [
-        "browser.shopping.experience2023.showKeepSidebarClosedMessage",
-      ],
-    },
+    // Removed about:shoppingsidebar. tor-browser#42831.
     "about:tabcrashed": {
       RPMSendAsyncMessage: ["Load", "closeTab", "restoreTab", "restoreAll"],
       RPMAddMessageListener: ["*"],