--- a/browser/components/extensions/parent/ext-urlbar.js
+++ b/browser/components/extensions/parent/ext-urlbar.js
@@ -9,23 +9,16 @@ XPCOMUtils.defineLazyModuleGetters(this,
   UrlbarProviderExtension: "resource:///modules/UrlbarProviderExtension.jsm",
 });
 
 var { ExtensionPreferencesManager } = ChromeUtils.import(
   "resource://gre/modules/ExtensionPreferencesManager.jsm"
 );
 var { getSettingsAPI } = ExtensionPreferencesManager;
 
-ExtensionPreferencesManager.addSetting("openViewOnFocus", {
-  prefNames: ["browser.urlbar.openViewOnFocus"],
-  setCallback(value) {
-    return { [this.prefNames[0]]: value };
-  },
-});
-
 ExtensionPreferencesManager.addSetting("engagementTelemetry", {
   prefNames: ["browser.urlbar.eventTelemetry.enabled"],
   setCallback(value) {
     return { [this.prefNames[0]]: value };
   },
 });
 
 this.urlbar = class extends ExtensionAPI {
@@ -138,22 +131,16 @@ this.urlbar = class extends ExtensionAPI
               return fire.async(resultPayload).catch(error => {
                 throw context.normalizeError(error);
               });
             });
             return () => provider.setEventListener("resultPicked", null);
           },
         }).api(),
 
-        openViewOnFocus: getSettingsAPI({
-          context,
-          name: "openViewOnFocus",
-          callback: () => UrlbarPrefs.get("openViewOnFocus"),
-        }),
-
         engagementTelemetry: getSettingsAPI({
           context,
           name: "engagementTelemetry",
           callback: () => UrlbarPrefs.get("eventTelemetry.enabled"),
         }),
       },
     };
   }

--- a/browser/components/extensions/schemas/urlbar.json
+++ b/browser/components/extensions/schemas/urlbar.json
@@ -105,20 +105,16 @@
       {
         "id": "SourceType",
         "type": "string",
         "enum": ["bookmarks", "history", "local", "network", "search", "tabs"],
         "description": "Possible sources of results. <code>bookmarks</code>: The result comes from the user's bookmarks. <code>history</code>: The result comes from the user's history. <code>local</code>: The result comes from some local source not covered by another source type. <code>network</code>: The result comes from some network source not covered by another source type. <code>search</code>: The result comes from a search engine. <code>tabs</code>: The result is an open tab in the browser or a synced tab from another device."
       }
     ],
     "properties": {
-      "openViewOnFocus": {
-        "$ref": "types.Setting",
-        "description": "Enables or disables the open-view-on-focus mode."
-      },
       "engagementTelemetry": {
         "$ref": "types.Setting",
         "description": "Enables or disables the engagement telemetry."
       }
     },
     "functions": [
       {
         "name": "closeView",

--- a/browser/components/extensions/test/xpcshell/test_ext_urlbar.js
+++ b/browser/components/extensions/test/xpcshell/test_ext_urlbar.js
@@ -1409,58 +1409,16 @@ add_task(async function test_nonPrivateB
   Assert.equal(context.results.length, 2);
   Assert.ok(context.results[0].heuristic);
   Assert.equal(context.results[1].title, "Test result");
   Assert.equal(context.results[1].suggestedIndex, 1);
 
   await ext.unload();
 });
 
-// Tests that extensions can toggle openViewOnFocus.
-add_task(async function test_setOpenViewOnFocus() {
-  let getPrefValue = () => UrlbarPrefs.get("openViewOnFocus");
-
-  Assert.equal(
-    getPrefValue(),
-    true,
-    "Open-view-on-focus mode should be enabled by default"
-  );
-
-  let ext = ExtensionTestUtils.loadExtension({
-    manifest: {
-      permissions: ["urlbar"],
-    },
-    isPrivileged: true,
-    incognitoOverride: "spanning",
-    useAddonManager: "temporary",
-    async background() {
-      await browser.urlbar.openViewOnFocus.set({ value: false });
-      browser.test.sendMessage("ready");
-    },
-  });
-  await ext.startup();
-  await ext.awaitMessage("ready");
-
-  Assert.equal(
-    getPrefValue(),
-    false,
-    "Successfully disabled the open-view-on-focus mode"
-  );
-
-  let completed = promiseUninstallCompleted(ext.id);
-  await ext.unload();
-  await completed;
-
-  Assert.equal(
-    getPrefValue(),
-    true,
-    "Open-view-on-focus mode should be reset after unloading the add-on"
-  );
-});
-
 // Tests the engagementTelemetry property.
 add_task(async function test_engagementTelemetry() {
   let getPrefValue = () => UrlbarPrefs.get("eventTelemetry.enabled");
 
   Assert.equal(
     getPrefValue(),
     false,
     "Engagement telemetry should be disabled by default"
@@ -1470,19 +1428,21 @@ add_task(async function test_engagementT
     manifest: {
       permissions: ["urlbar"],
     },
     isPrivileged: true,
     incognitoOverride: "spanning",
     useAddonManager: "temporary",
     background() {
       browser.urlbar.engagementTelemetry.set({ value: true });
+      browser.test.sendMessage("ready");
     },
   });
   await ext.startup();
+  await ext.awaitMessage("ready");
 
   Assert.equal(
     getPrefValue(),
     true,
     "Successfully enabled the engagement telemetry"
   );
 
   let completed = promiseUninstallCompleted(ext.id);