diff --git a/SentryTestUtils/TestSentryDispatchQueueWrapper.swift b/SentryTestUtils/TestSentryDispatchQueueWrapper.swift
index a200d46c28d..e80c7ba4daf 100644
--- a/SentryTestUtils/TestSentryDispatchQueueWrapper.swift
+++ b/SentryTestUtils/TestSentryDispatchQueueWrapper.swift
@@ -27,21 +27,21 @@ public class TestSentryDispatchQueueWrapper: SentryDispatchQueueWrapper {
     public var blockOnMainInvocations = Invocations<() -> Void>()
     public var blockBeforeMainBlock: () -> Bool = { true }
 
-    public override func dispatch(onMainQueue block: @escaping () -> Void) {
+    public override func dispatchOnMainQueue(block: @escaping () -> Void) {
         blockOnMainInvocations.record(block)
         if blockBeforeMainBlock() {
             block()
         }
     }
 
-    public override func dispatchAsync(onMainQueue block: @escaping () -> Void) {
+    public override func dispatchAsyncOnMainQueue(block: @escaping () -> Void) {
         blockOnMainInvocations.record(block)
         if blockBeforeMainBlock() {
             block()
         }
     }
 
-    public override func dispatchSync(onMainQueue block: @escaping () -> Void) {
+    public override func dispatchSyncOnMainQueue(block: @escaping () -> Void) {
         blockOnMainInvocations.record(block)
         if blockBeforeMainBlock() {
             block()
diff --git a/Sources/Sentry/SentryDispatchQueueWrapper.m b/Sources/Sentry/SentryDispatchQueueWrapper.m
index b238ee349dd..e092e4f1303 100644
--- a/Sources/Sentry/SentryDispatchQueueWrapper.m
+++ b/Sources/Sentry/SentryDispatchQueueWrapper.m
@@ -56,43 +56,23 @@ - (void)dispatchSyncOnMainQueue:(void (^)(void))block
     }
 }
 
-- (nullable id)dispatchSyncOnMainQueueWithResult:(id (^)(void))block
-{
-    return [self dispatchSyncOnMainQueueWithResult:block timeout:DISPATCH_TIME_FOREVER];
-}
-
 - (BOOL)dispatchSyncOnMainQueue:(void (^)(void))block timeout:(NSTimeInterval)timeout
-{
-    NSNumber *result = [self
-        dispatchSyncOnMainQueueWithResult:^id _Nonnull {
-            block();
-            return @YES;
-        }
-                                  timeout:timeout];
-    return result.boolValue;
-}
-
-- (nullable id)dispatchSyncOnMainQueueWithResult:(id (^)(void))block timeout:(NSTimeInterval)timeout
 {
     if ([NSThread isMainThread]) {
-        return block();
+        block();
     } else {
         dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
-        __block id result;
 
         dispatch_async(dispatch_get_main_queue(), ^{
-            result = block();
+            block();
             dispatch_semaphore_signal(semaphore);
         });
 
         dispatch_time_t timeout_t
             = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(timeout * NSEC_PER_SEC));
-        if (dispatch_semaphore_wait(semaphore, timeout_t) == 0) {
-            return result;
-        } else {
-            return nil;
-        }
+        return dispatch_semaphore_wait(semaphore, timeout_t) == 0;
     }
+    return YES;
 }
 
 - (void)dispatchAfter:(NSTimeInterval)interval block:(dispatch_block_t)block
diff --git a/Sources/Sentry/SentryUIApplication.m b/Sources/Sentry/SentryUIApplication.m
index bd1ca3bbbe1..1a2375f2a80 100644
--- a/Sources/Sentry/SentryUIApplication.m
+++ b/Sources/Sentry/SentryUIApplication.m
@@ -64,8 +64,9 @@ - (UIApplication *)sharedApplication
 
 - (NSArray<UIWindow *> *)windows
 {
-    return [SentryDependencyContainer.sharedInstance.dispatchQueueWrapper
-        dispatchSyncOnMainQueueWithResult:^id _Nonnull {
+    __block NSArray<UIWindow *> *windows = nil;
+    [SentryDependencyContainer.sharedInstance.dispatchQueueWrapper
+        dispatchSyncOnMainQueue:^{
             UIApplication *app = [self sharedApplication];
             NSMutableArray *result = [NSMutableArray array];
 
@@ -89,9 +90,10 @@ - (UIApplication *)sharedApplication
                 [result addObject:appDelegate.window];
             }
 
-            return result;
+            windows = result;
         }
-                                  timeout:0.01];
+                        timeout:0.01];
+    return windows ?: @[];
 }
 
 - (NSArray<UIViewController *> *)relevantViewControllers
@@ -115,8 +117,10 @@ - (UIApplication *)sharedApplication
 
 - (nullable NSArray<NSString *> *)relevantViewControllersNames
 {
-    return [SentryDependencyContainer.sharedInstance.dispatchQueueWrapper
-        dispatchSyncOnMainQueueWithResult:^id _Nonnull {
+    __block NSArray<NSString *> *result = nil;
+
+    [SentryDependencyContainer.sharedInstance.dispatchQueueWrapper
+        dispatchSyncOnMainQueue:^{
             NSArray *viewControllers
                 = SentryDependencyContainer.sharedInstance.application.relevantViewControllers;
             NSMutableArray *vcsNames =
@@ -124,9 +128,11 @@ - (UIApplication *)sharedApplication
             for (id vc in viewControllers) {
                 [vcsNames addObject:[SwiftDescriptor getObjectClassName:vc]];
             }
-            return [NSArray arrayWithArray:vcsNames];
+            result = [NSArray arrayWithArray:vcsNames];
         }
-                                  timeout:0.01];
+                        timeout:0.01];
+
+    return result;
 }
 
 - (NSArray<UIViewController *> *)relevantViewControllerFromWindow:(UIWindow *)window
diff --git a/Sources/Sentry/include/SentryDispatchQueueWrapper.h b/Sources/Sentry/include/SentryDispatchQueueWrapper.h
index 4a91f36989b..39b65cce61e 100644
--- a/Sources/Sentry/include/SentryDispatchQueueWrapper.h
+++ b/Sources/Sentry/include/SentryDispatchQueueWrapper.h
@@ -13,19 +13,16 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (void)dispatchAsyncWithBlock:(void (^)(void))block;
 
-- (void)dispatchAsyncOnMainQueue:(void (^)(void))block;
+- (void)dispatchAsyncOnMainQueue:(void (^)(void))block
+    NS_SWIFT_NAME(dispatchAsyncOnMainQueue(block:));
 
-- (void)dispatchOnMainQueue:(void (^)(void))block;
+- (void)dispatchOnMainQueue:(void (^)(void))block NS_SWIFT_NAME(dispatchOnMainQueue(block:));
 
-- (void)dispatchSyncOnMainQueue:(void (^)(void))block;
-
-- (nullable id)dispatchSyncOnMainQueueWithResult:(id (^)(void))block;
+- (void)dispatchSyncOnMainQueue:(void (^)(void))block
+    NS_SWIFT_NAME(dispatchSyncOnMainQueue(block:));
 
 - (BOOL)dispatchSyncOnMainQueue:(void (^)(void))block timeout:(NSTimeInterval)timeout;
 
-- (nullable id)dispatchSyncOnMainQueueWithResult:(id (^)(void))block
-                                         timeout:(NSTimeInterval)timeout;
-
 - (void)dispatchAfter:(NSTimeInterval)interval block:(dispatch_block_t)block;
 
 - (void)dispatchCancel:(dispatch_block_t)block;