diff --git a/lib/reducers/master-reducer.js b/lib/reducers/master-reducer.js
--- a/lib/reducers/master-reducer.js
+++ b/lib/reducers/master-reducer.js
@@ -15,6 +15,7 @@
 import { reduceNotifPermissionAlertInfo } from './notif-permission-alert-info-reducer.js';
 import policiesReducer from './policies-reducer.js';
 import reduceReportStore from './report-store-reducer.js';
+import reduceServicesAccessToken from './services-access-token-reducer.js';
 import { reduceThreadInfos } from './thread-reducer.js';
 import reduceUpdatesCurrentAsOf from './updates-reducer.js';
 import reduceURLPrefix from './url-prefix-reducer.js';
@@ -114,6 +115,10 @@
       dataLoaded: reduceDataLoaded(state.dataLoaded, action),
       userPolicies: policiesReducer(state.userPolicies, action),
       deviceToken: reduceDeviceToken(state.deviceToken, action),
+      commServicesAccessToken: reduceServicesAccessToken(
+        state.commServicesAccessToken,
+        action,
+      ),
     },
     storeOperations: {
       draftStoreOperations,
diff --git a/lib/reducers/services-access-token-reducer.js b/lib/reducers/services-access-token-reducer.js
new file mode 100644
--- /dev/null
+++ b/lib/reducers/services-access-token-reducer.js
@@ -0,0 +1,37 @@
+// @flow
+
+import { siweAuthActionTypes } from '../actions/siwe-actions.js';
+import {
+  logOutActionTypes,
+  deleteAccountActionTypes,
+  logInActionTypes,
+  registerActionTypes,
+} from '../actions/user-actions.js';
+import type { BaseAction } from '../types/redux-types.js';
+import { setNewSessionActionType } from '../utils/action-utils.js';
+
+export default function reduceServicesAccessToken(
+  state: ?string,
+  action: BaseAction,
+): ?string {
+  if (
+    action.type === logInActionTypes.success ||
+    action.type === siweAuthActionTypes.success ||
+    action.type === registerActionTypes.success
+  ) {
+    return null;
+  } else if (
+    action.type === setNewSessionActionType &&
+    action.payload.sessionChange.currentUserInfo &&
+    action.payload.sessionChange.currentUserInfo.anonymous
+  ) {
+    return null;
+  } else if (
+    action.type === logOutActionTypes.started ||
+    action.type === logOutActionTypes.success ||
+    action.type === deleteAccountActionTypes.success
+  ) {
+    return null;
+  }
+  return state;
+}