diff --git a/browser/extensions/formautofill/test/unit/test_isAddressAutofillAvailable.js b/browser/extensions/formautofill/test/unit/test_isAddressAutofillAvailable.js
index 40b024f193a4..9704f981d6f7 100644
--- a/browser/extensions/formautofill/test/unit/test_isAddressAutofillAvailable.js
+++ b/browser/extensions/formautofill/test/unit/test_isAddressAutofillAvailable.js
@@ -11,31 +11,21 @@ const { FormAutofill } = ChromeUtils.importESModule(
   "resource://autofill/FormAutofill.sys.mjs"
 );
 
-add_setup(async () => {
-  Services.prefs.setBoolPref(
-    "extensions.formautofill.addresses.experiments.enabled",
-    false
-  );
-  registerCleanupFunction(function cleanupRegion() {
-    Services.prefs.clearUserPref(
-      "extensions.formautofill.addresses.experiments.enabled"
-    );
-  });
-});
-
 add_task(async function test_defaultTestEnvironment() {
   Assert.equal(
     Services.prefs.getCharPref("extensions.formautofill.addresses.supported"),
     "on"
   );
+
+  Assert.equal(
+    Services.prefs.getBoolPref(
+      "extensions.formautofill.addresses.experiments.enabled"
+    ),
+    true
+  );
 });
 
-add_task(async function test_default_supported_module_and_autofill_region() {
-  Services.prefs.setCharPref("browser.search.region", "US");
-  registerCleanupFunction(function cleanupRegion() {
-    Services.prefs.clearUserPref("browser.search.region");
-  });
-
+add_task(async function test_default_supported_address_region() {
   let addon = await AddonManager.getAddonByID(EXTENSION_ID);
   await addon.reload();
 
@@ -43,44 +33,15 @@ add_task(async function test_default_supported_module_and_autofill_region() {
   Assert.equal(FormAutofill.isAutofillAddressesEnabled, true);
 });
 
-add_task(
-  async function test_supported_creditCard_region_unsupported_address_region() {
-    Services.prefs.setCharPref(
-      "extensions.formautofill.addresses.supported",
-      "detect"
-    );
-    Services.prefs.setCharPref(
-      "extensions.formautofill.creditCards.supported",
-      "detect"
-    );
-    Services.prefs.setCharPref("browser.search.region", "FR");
-    Services.prefs.setCharPref(
-      "extensions.formautofill.addresses.supportedCountries",
-      "US,CA"
-    );
-    Services.prefs.setCharPref(
-      "extensions.formautofill.creditCards.supportedCountries",
-      "US,CA,FR"
-    );
-    registerCleanupFunction(function cleanupPrefs() {
-      Services.prefs.clearUserPref("browser.search.region");
-      Services.prefs.clearUserPref(
-        "extensions.formautofill.addresses.supportedCountries"
-      );
-      Services.prefs.clearUserPref(
-        "extensions.formautofill.addresses.supported"
-      );
-      Services.prefs.clearUserPref(
-        "extensions.formautofill.creditCards.supported"
-      );
-    });
+add_task(async function test_unsupported_address_region() {
+  const addon = await AddonManager.getAddonByID(EXTENSION_ID);
 
-    let addon = await AddonManager.getAddonByID(EXTENSION_ID);
-    await addon.reload();
-    Assert.ok(
-      Services.prefs.getBoolPref("extensions.formautofill.creditCards.enabled")
-    );
-    Assert.equal(FormAutofill.isAutofillAddressesAvailable, false);
-    Assert.equal(FormAutofill.isAutofillAddressesEnabled, false);
-  }
-);
+  Services.prefs.setBoolPref(
+    "extensions.formautofill.addresses.experiments.enabled",
+    false
+  );
+
+  await addon.reload();
+  Assert.equal(FormAutofill.isAutofillAddressesAvailable, false);
+  Assert.equal(FormAutofill.isAutofillAddressesEnabled, false);
+});
diff --git a/toolkit/components/formautofill/FormAutofill.sys.mjs b/toolkit/components/formautofill/FormAutofill.sys.mjs
index 77502afbbe96..88fb2c29f875 100644
--- a/toolkit/components/formautofill/FormAutofill.sys.mjs
+++ b/toolkit/components/formautofill/FormAutofill.sys.mjs
@@ -98,29 +98,6 @@ export const FormAutofill = {
       FormAutofill._creditCardAutofillSupportedCountries
     );
   },
-  /**
-   * Determines if the address autofill feature is available to use in the browser.
-   * If the feature is not available, then there are no user facing ways to enable it.
-   * Two conditions must be met for the autofill feature to be considered available:
-   *   1. Address autofill support is confirmed when:
-   *      - `extensions.formautofill.addresses.supported` is set to `on`.
-   *      - The user is located in a region supported by the feature
-   *        (`extensions.formautofill.creditCards.supportedCountries`).
-   *   2. Address autofill is enabled through a Nimbus experiment:
-   *      - The experiment pref `extensions.formautofill.addresses.experiments.enabled` is set to true.
-   *
-   * @returns {boolean} `true` if address autofill is available
-   */
-  get isAutofillAddressesAvailable() {
-    const isUserInSupportedRegion = this._isSupportedRegion(
-      FormAutofill._isAutofillAddressesAvailable,
-      FormAutofill._addressAutofillSupportedCountries
-    );
-    return (
-      isUserInSupportedRegion ||
-      FormAutofill._isAutofillAddressesAvailableInExperiment
-    );
-  },
   /**
    * Determines if the user has enabled or disabled credit card autofill.
    *
@@ -285,7 +262,7 @@ XPCOMUtils.defineLazyPreferenceGetter(
 
 XPCOMUtils.defineLazyPreferenceGetter(
   FormAutofill,
-  "_isAutofillAddressesAvailableInExperiment",
+  "isAutofillAddressesAvailable",
   "extensions.formautofill.addresses.experiments.enabled"
 );