diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
index d7ca4d605f06..d607ab09d0aa 100644
--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@@ -91,7 +91,7 @@ ChromeUtils.defineESModuleGetters(this, {
   TelemetryEnvironment: "resource://gre/modules/TelemetryEnvironment.sys.mjs",
   ToolbarContextMenu: "resource:///modules/ToolbarContextMenu.sys.mjs",
   TranslationsParent: "resource://gre/actors/TranslationsParent.sys.mjs",
-  UITour: "resource:///modules/UITour.sys.mjs",
+  UITour: "moz-src:///browser/components/uitour/UITour.sys.mjs",
   UpdateUtils: "resource://gre/modules/UpdateUtils.sys.mjs",
   URILoadingHelper: "resource:///modules/URILoadingHelper.sys.mjs",
   UrlbarInput: "resource:///modules/UrlbarInput.sys.mjs",
diff --git a/browser/components/BrowserGlue.sys.mjs b/browser/components/BrowserGlue.sys.mjs
index 967daebce4b7..76fea8fd47fc 100644
--- a/browser/components/BrowserGlue.sys.mjs
+++ b/browser/components/BrowserGlue.sys.mjs
@@ -924,10 +924,10 @@ let JSWINDOWACTORS = {
 
   UITour: {
     parent: {
-      esModuleURI: "resource:///modules/UITourParent.sys.mjs",
+      esModuleURI: "moz-src:///browser/components/uitour/UITourParent.sys.mjs",
     },
     child: {
-      esModuleURI: "resource:///modules/UITourChild.sys.mjs",
+      esModuleURI: "moz-src:///browser/components/uitour/UITourChild.sys.mjs",
       events: {
         mozUITour: { wantUntrusted: true },
       },
diff --git a/browser/components/customizableui/test/browser_synced_tabs_menu.js b/browser/components/customizableui/test/browser_synced_tabs_menu.js
index 4fc4c47f0316..e3842287a6bf 100644
--- a/browser/components/customizableui/test/browser_synced_tabs_menu.js
+++ b/browser/components/customizableui/test/browser_synced_tabs_menu.js
@@ -17,7 +17,7 @@ let { UIState } = ChromeUtils.importESModule(
 );
 
 ChromeUtils.defineESModuleGetters(this, {
-  UITour: "resource:///modules/UITour.sys.mjs",
+  UITour: "moz-src:///browser/components/uitour/UITour.sys.mjs",
 });
 
 const DECKINDEX_TABS = 0;
diff --git a/browser/components/uitour/UITourParent.sys.mjs b/browser/components/uitour/UITourParent.sys.mjs
index f603717638ef..562222510747 100644
--- a/browser/components/uitour/UITourParent.sys.mjs
+++ b/browser/components/uitour/UITourParent.sys.mjs
@@ -2,7 +2,7 @@
  * 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/. */
 
-import { UITour } from "resource:///modules/UITour.sys.mjs";
+import { UITour } from "moz-src:///browser/components/uitour/UITour.sys.mjs";
 
 export class UITourParent extends JSWindowActorParent {
   receiveMessage(message) {
diff --git a/browser/components/uitour/moz.build b/browser/components/uitour/moz.build
index 7bed2830cb19..3a891ae10a02 100644
--- a/browser/components/uitour/moz.build
+++ b/browser/components/uitour/moz.build
@@ -2,7 +2,7 @@
 # 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/.
 
-EXTRA_JS_MODULES += ["UITour.sys.mjs", "UITourChild.sys.mjs", "UITourParent.sys.mjs"]
+MOZ_SRC_FILES += ["UITour.sys.mjs", "UITourChild.sys.mjs", "UITourParent.sys.mjs"]
 
 BROWSER_CHROME_MANIFESTS += [
     "test/browser.toml",
diff --git a/browser/components/uitour/test/head.js b/browser/components/uitour/test/head.js
index 6c7ca00d6e13..b055a4d2f2a0 100644
--- a/browser/components/uitour/test/head.js
+++ b/browser/components/uitour/test/head.js
@@ -4,7 +4,7 @@
 /* global gTestTab:true, gContentAPI:true, tests:false */
 
 ChromeUtils.defineESModuleGetters(this, {
-  UITour: "resource:///modules/UITour.sys.mjs",
+  UITour: "moz-src:///browser/components/uitour/UITour.sys.mjs",
 });
 
 const { PermissionTestUtils } = ChromeUtils.importESModule(
diff --git a/toolkit/components/messaging-system/lib/SpecialMessageActions.sys.mjs b/toolkit/components/messaging-system/lib/SpecialMessageActions.sys.mjs
index be46904e2d04..264984dd72ab 100644
--- a/toolkit/components/messaging-system/lib/SpecialMessageActions.sys.mjs
+++ b/toolkit/components/messaging-system/lib/SpecialMessageActions.sys.mjs
@@ -24,7 +24,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
   // eslint-disable-next-line mozilla/no-browser-refs-in-toolkit
   Spotlight: "resource:///modules/asrouter/Spotlight.sys.mjs",
   UIState: "resource://services-sync/UIState.sys.mjs",
-  UITour: "resource:///modules/UITour.sys.mjs",
+  UITour: "moz-src:///browser/components/uitour/UITour.sys.mjs",
 });
 
 export const SpecialMessageActions = {