diff --git a/Riot/Modules/Application/LegacyAppDelegate.h b/Riot/Modules/Application/LegacyAppDelegate.h
index 1b06d8cbe..2a2226650 100644
--- a/Riot/Modules/Application/LegacyAppDelegate.h
+++ b/Riot/Modules/Application/LegacyAppDelegate.h
@@ -241,21 +241,6 @@ UINavigationControllerDelegate
  */
 - (BOOL)handleUniversalLinkURL:(NSURL*)universalLinkURL;
 
-#pragma mark - Jitsi call
-
-/**
- Open the Jitsi view controller from a widget.
-
- @param jitsiWidget the jitsi widget.
- @param video to indicate voice or video call.
- */
-- (void)displayJitsiViewControllerWithWidget:(Widget*)jitsiWidget andVideo:(BOOL)video;
-
-/**
- The current Jitsi view controller being displayed.
- */
-@property (nonatomic, readonly) JitsiViewController *jitsiViewController;
-
 #pragma mark - App version management
 
 /**
diff --git a/Riot/Modules/Application/LegacyAppDelegate.m b/Riot/Modules/Application/LegacyAppDelegate.m
index 478c0bc7c..f53cd4373 100644
--- a/Riot/Modules/Application/LegacyAppDelegate.m
+++ b/Riot/Modules/Application/LegacyAppDelegate.m
@@ -234,6 +234,11 @@ NSString *const AppDelegateUniversalLinkDidChangeNotification = @"AppDelegateUni
  */
 @property (nonatomic, assign, getter=isRoomListDataReady) BOOL roomListDataReady;
 
+/**
+ Flag to indicate whether a cache clear is being performed.
+ */
+@property (nonatomic, assign, getter=isClearingCache) BOOL clearingCache;
+
 @end
 
 @implementation LegacyAppDelegate
@@ -378,6 +383,7 @@ NSString *const AppDelegateUniversalLinkDidChangeNotification = @"AppDelegateUni
     MXLogDebug(@"[AppDelegate] didFinishLaunchingWithOptions: isProtectedDataAvailable: %@", @([application isProtectedDataAvailable]));
 
     _configuration = [AppConfiguration new];
+    self.clearingCache = NO;
     
     // Log app information
     NSString *appDisplayName = self.appInfo.displayName;
@@ -2045,6 +2051,7 @@ NSString *const AppDelegateUniversalLinkDidChangeNotification = @"AppDelegateUni
     
     if (clearCache)
     {
+        self.clearingCache = YES;
         [self clearCache];
     }
 }
@@ -2233,6 +2240,8 @@ NSString *const AppDelegateUniversalLinkDidChangeNotification = @"AppDelegateUni
             {
                 case MXSessionStateClosed:
                 case MXSessionStateInitialised:
+                case MXSessionStateBackgroundSyncInProgress:
+                    self.roomListDataReady = NO;
                     isLaunching = YES;
                     break;
                 case MXSessionStateStoreDataReady:
@@ -2245,6 +2254,10 @@ NSString *const AppDelegateUniversalLinkDidChangeNotification = @"AppDelegateUni
                         [mainSession.crypto setOutgoingKeyRequestsEnabled:NO onComplete:nil];
                     }
                     break;
+                case MXSessionStateRunning:
+                    self.clearingCache = NO;
+                    isLaunching = NO;
+                    break;
                 default:
                     isLaunching = NO;
                     break;
@@ -2260,6 +2273,12 @@ NSString *const AppDelegateUniversalLinkDidChangeNotification = @"AppDelegateUni
             return;
         }
         
+        if (self.isClearingCache)
+        {
+            //  wait for another session state change to check room list data is ready
+            return;
+        }
+        
         [self ensureRoomListDataReadyWithCompletion:^{
             [self hideLaunchAnimation];
             
diff --git a/Riot/Modules/Common/Recents/RecentsViewController.m b/Riot/Modules/Common/Recents/RecentsViewController.m
index 5e1bbf95e..941aed1ac 100644
--- a/Riot/Modules/Common/Recents/RecentsViewController.m
+++ b/Riot/Modules/Common/Recents/RecentsViewController.m
@@ -977,11 +977,8 @@ NSString *const RecentsViewControllerDataReadyNotification = @"RecentsViewContro
     
     if (dataSource.state == MXKDataSourceStateReady)
     {
-        static dispatch_once_t onceToken;
-        dispatch_once(&onceToken, ^{
-            [[NSNotificationCenter defaultCenter] postNotificationName:RecentsViewControllerDataReadyNotification
-                                                                object:self];
-        });
+        [[NSNotificationCenter defaultCenter] postNotificationName:RecentsViewControllerDataReadyNotification
+                                                            object:self];
     }
 }
 
diff --git a/changelog.d/4801.bugfix b/changelog.d/4801.bugfix
new file mode 100644
index 000000000..cb6452009
--- /dev/null
+++ b/changelog.d/4801.bugfix
@@ -0,0 +1 @@
+AppDelegate: Wait for sync response when clearing cache.