diff --git a/src/android/verification/SensorControlForegroundDelegate.java b/src/android/verification/SensorControlForegroundDelegate.java
index 14b5617..b191913 100644
--- a/src/android/verification/SensorControlForegroundDelegate.java
+++ b/src/android/verification/SensorControlForegroundDelegate.java
@@ -5,7 +5,6 @@
 
 import edu.berkeley.eecs.emission.cordova.tracker.Constants;
 import edu.berkeley.eecs.emission.cordova.unifiedlogger.Log;
-import edu.berkeley.eecs.emission.cordova.usercache.UserCacheFactory;
 
 
 /*
@@ -777,18 +776,11 @@ public void onActivityResult(int requestCode, int resultCode, Intent data) {
       case SensorControlConstants.ENABLE_NOTIFICATIONS:
         Log.d(mAct, TAG, requestCode + " is our code, handling callback");
         Log.d(mAct, TAG, "Got notification callback from launching app settings");
-        try {
-            JSONObject jo = new JSONObject();
-            jo.put("ts", System.currentTimeMillis() / 1000);
-            UserCacheFactory.getUserCache(cordova.getActivity()).putLocalStorage(HAS_REQUESTED_NOTIFS_KEY, jo);
-            if (SensorControlChecks.checkNotificationsEnabled(cordova.getActivity())) {
-              SensorControlBackgroundChecker.restartFSMIfStartState(cordova.getActivity());
-              cordovaCallback.success();
-            } else {
-              cordovaCallback.error(cordova.getActivity().getString(R.string.notifications_blocked));
-            }
-        } catch (JSONException e) {
-          cordovaCallback.error(e.getLocalizedMessage());
+        if (SensorControlChecks.checkNotificationsEnabled(cordova.getActivity())) {
+          SensorControlBackgroundChecker.restartFSMIfStartState(cordova.getActivity());
+          cordovaCallback.success();
+        } else {
+          cordovaCallback.error(cordova.getActivity().getString(R.string.notifications_blocked));
         }
         break;
       case SensorControlConstants.REMOVE_UNUSED_APP_RESTRICTIONS:
diff --git a/src/ios/Verification/SensorControlForegroundDelegate.m b/src/ios/Verification/SensorControlForegroundDelegate.m
index b71e525..03fdc03 100644
--- a/src/ios/Verification/SensorControlForegroundDelegate.m
+++ b/src/ios/Verification/SensorControlForegroundDelegate.m
@@ -4,8 +4,6 @@
 #import "LocalNotificationManager.h"
 #import "BEMAppDelegate.h"
 #import "BEMActivitySync.h"
-#import "BEMBuiltinUserCache.h"
-#import "DataUtils.h"
 
 #import <CoreMotion/CoreMotion.h>
 
@@ -264,11 +262,12 @@ - (void)checkAndPromptNotificationPermission {
     NSString* callbackId = [command callbackId];
     @try {
         // If we have prompted in the past, the popup will not work. Instead, we'll open app settings
-        if ([[BuiltinUserCache database] getLocalStorage:HAS_REQUESTED_NOTIFS_KEY withMetadata:NO] != NULL) {
+        if ([[NSUserDefaults standardUserDefaults] boolForKey:HAS_REQUESTED_NOTIFS_KEY]) {
             NSLog(@"Already prompted request for user notification. Launching app settings.");
             [AppDelegate registerForegroundDelegate:self];
             [self openAppSettings];
         } else {
+            [[NSUserDefaults standardUserDefaults] setBool:YES forKey:HAS_REQUESTED_NOTIFS_KEY];
             if ([UIApplication instancesRespondToSelector:@selector(registerUserNotificationSettings:)]) {
                 NSLog(@"Requesting user notification settings");
                 UIUserNotificationSettings* requestedSettings = [TripDiarySensorControlChecks REQUESTED_NOTIFICATION_TYPES];
@@ -287,9 +286,6 @@ - (void)checkAndPromptNotificationPermission {
 }
 
 - (void) didRegisterUserNotificationSettings:(UIUserNotificationSettings*)newSettings {
-    NSDate* now = [NSDate date];
-    [[BuiltinUserCache database] putLocalStorage:HAS_REQUESTED_NOTIFS_KEY
-                                    jsonValue:@{ @"ts": @(now.timeIntervalSince1970) }];
     NSString* callbackId = [command callbackId];
     UIUserNotificationSettings* requestedSettings = [TripDiarySensorControlChecks REQUESTED_NOTIFICATION_TYPES];
     if (requestedSettings.types == newSettings.types) {