diff --git a/src/actions/push-notifications/registerer.ts b/src/actions/push-notifications/registerer.ts
index 9937fd938..c521534c3 100644
--- a/src/actions/push-notifications/registerer.ts
+++ b/src/actions/push-notifications/registerer.ts
@@ -1,6 +1,5 @@
 import { createPushSubscription, updatePushSubscription } from 'soapbox/actions/push-subscriptions';
 import { pushNotificationsSetting } from 'soapbox/settings';
-import { getVapidKey } from 'soapbox/utils/auth';
 import { decode as decodeBase64 } from 'soapbox/utils/base64';
 
 import { setBrowserSupport, setSubscription, clearSubscription } from './setter';
@@ -30,10 +29,10 @@ const getPushSubscription = (registration: ServiceWorkerRegistration) =>
   registration.pushManager.getSubscription()
     .then(subscription => ({ registration, subscription }));
 
-const subscribe = (registration: ServiceWorkerRegistration, getState: () => RootState) =>
+const subscribe = (vapidKey: string, registration: ServiceWorkerRegistration) =>
   registration.pushManager.subscribe({
     userVisibleOnly: true,
-    applicationServerKey: urlBase64ToUint8Array(getVapidKey(getState())),
+    applicationServerKey: urlBase64ToUint8Array(vapidKey),
   });
 
 const unsubscribe = ({ registration, subscription }: {
@@ -61,10 +60,9 @@ const sendSubscriptionToBackend = (subscription: PushSubscription, me: Me) =>
 // eslint-disable-next-line compat/compat
 const supportsPushNotifications = ('serviceWorker' in navigator && 'PushManager' in window && 'getKey' in PushSubscription.prototype);
 
-const register = () =>
+const register = (vapidKey: string) =>
   (dispatch: AppDispatch, getState: () => RootState) => {
     const me = getState().me;
-    const vapidKey = getVapidKey(getState());
 
     dispatch(setBrowserSupport(supportsPushNotifications));
 
@@ -98,14 +96,14 @@ const register = () =>
           } else {
             // Something went wrong, try to subscribe again
             return unsubscribe({ registration, subscription }).then((registration: ServiceWorkerRegistration) => {
-              return subscribe(registration, getState);
+              return subscribe(vapidKey, registration);
             }).then(
               (subscription: PushSubscription) => dispatch(sendSubscriptionToBackend(subscription, me) as any));
           }
         }
 
         // No subscription, try to subscribe
-        return subscribe(registration, getState)
+        return subscribe(vapidKey, registration)
           .then(subscription => dispatch(sendSubscriptionToBackend(subscription, me) as any));
       })
       .then(({ subscription }: { subscription: PushSubscription | Record<string, any> }) => {
diff --git a/src/features/ui/index.tsx b/src/features/ui/index.tsx
index 711f14289..ca65bc492 100644
--- a/src/features/ui/index.tsx
+++ b/src/features/ui/index.tsx
@@ -34,7 +34,6 @@ import ProfilePage from 'soapbox/pages/profile-page';
 import RemoteInstancePage from 'soapbox/pages/remote-instance-page';
 import SearchPage from 'soapbox/pages/search-page';
 import StatusPage from 'soapbox/pages/status-page';
-import { getVapidKey } from 'soapbox/utils/auth';
 
 import BackgroundShapes from './components/background-shapes';
 import FloatingActionButton from './components/floating-action-button';
@@ -388,7 +387,7 @@ const UI: React.FC<IUI> = ({ children }) => {
   const { account } = useOwnAccount();
   const instance = useInstance();
   const features = useFeatures();
-  const vapidKey = useAppSelector(state => getVapidKey(state));
+  const vapidKey = instance.instance.configuration.vapid.public_key;
 
   const dropdownMenuIsOpen = useAppSelector(state => state.dropdown_menu.isOpen);
 
@@ -470,7 +469,9 @@ const UI: React.FC<IUI> = ({ children }) => {
   }, [!!account]);
 
   useEffect(() => {
-    dispatch(registerPushNotifications());
+    if (vapidKey) {
+      dispatch(registerPushNotifications(vapidKey));
+    }
   }, [vapidKey]);
 
   const shouldHideFAB = (): boolean => {
diff --git a/src/utils/auth.ts b/src/utils/auth.ts
index b5d9fb120..73757fb80 100644
--- a/src/utils/auth.ts
+++ b/src/utils/auth.ts
@@ -62,8 +62,4 @@ export const getAuthUserUrl = (state: RootState) => {
   ].filter(url => url)).find(isURL);
 };
 
-/** Get the VAPID public key. */
-export const getVapidKey = (state: RootState) =>
-  state.auth.app.vapid_key || state.instance.pleroma.vapid_public_key;
-
 export const getMeUrl = (state: RootState) => selectOwnAccount(state)?.url;
\ No newline at end of file