diff --git a/Examples/UIExplorer/UIExplorerUnitTests/RCTAllocationTests.m b/Examples/UIExplorer/UIExplorerUnitTests/RCTAllocationTests.m
index dd53ee8ec..a52400ffc 100644
--- a/Examples/UIExplorer/UIExplorerUnitTests/RCTAllocationTests.m
+++ b/Examples/UIExplorer/UIExplorerUnitTests/RCTAllocationTests.m
@@ -22,13 +22,12 @@
 #import "RCTRootView.h"
 
 #define RUN_RUNLOOP_WHILE(CONDITION) \
-_Pragma("clang diagnostic push") \
-_Pragma("clang diagnostic ignored \"-Wshadow\"") \
-NSDate *timeout = [[NSDate date] dateByAddingTimeInterval:5]; \
-while ((CONDITION) && [timeout timeIntervalSinceNow] > 0) { \
-  [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:timeout]; \
-} \
-_Pragma("clang diagnostic pop")
+{ \
+  NSDate *timeout = [NSDate dateWithTimeIntervalSinceNow:5]; \
+  while ((CONDITION) && [timeout timeIntervalSinceNow] > 0) { \
+    [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]]; \
+  } \
+}
 
 @interface RCTJavaScriptContext : NSObject
 
@@ -212,8 +211,6 @@ RCT_EXPORT_METHOD(test:(__unused NSString *)a
   XCTAssertFalse(rootContentView.userInteractionEnabled, @"RCTContentView should have been invalidated");
 }
 
-// This test is flaky, and needs to be fixed before re-enabling. See t9456702.
-#if 0
 - (void)testUnderlyingBridgeIsDeallocated
 {
   RCTBridge *bridge;
@@ -229,7 +226,15 @@ RCT_EXPORT_METHOD(test:(__unused NSString *)a
 
   XCTAssertNotNil(bridge, @"RCTBridge should not have been deallocated");
   XCTAssertNil(batchedBridge, @"RCTBatchedBridge should have been deallocated");
+
+  // Wait to complete the test until the new batchedbridge is also deallocated
+  @autoreleasepool {
+    batchedBridge = bridge.batchedBridge;
+    bridge = nil;
+  }
+
+  RUN_RUNLOOP_WHILE(batchedBridge != nil);
+  XCTAssertNil(batchedBridge);
 }
-#endif
 
 @end
diff --git a/Examples/UIExplorer/UIExplorerUnitTests/RCTBridgeTests.m b/Examples/UIExplorer/UIExplorerUnitTests/RCTBridgeTests.m
index d428fb441..31fc8f74e 100644
--- a/Examples/UIExplorer/UIExplorerUnitTests/RCTBridgeTests.m
+++ b/Examples/UIExplorer/UIExplorerUnitTests/RCTBridgeTests.m
@@ -21,15 +21,13 @@
 #import "RCTJavaScriptExecutor.h"
 #import "RCTUtils.h"
 
-
 #define RUN_RUNLOOP_WHILE(CONDITION) \
-_Pragma("clang diagnostic push") \
-_Pragma("clang diagnostic ignored \"-Wshadow\"") \
-NSDate *timeout = [[NSDate date] dateByAddingTimeInterval:0.1]; \
-while ((CONDITION) && [timeout timeIntervalSinceNow] > 0) { \
-[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:timeout]; \
-} \
-_Pragma("clang diagnostic pop")
+{ \
+  NSDate *timeout = [NSDate dateWithTimeIntervalSinceNow:5]; \
+  while ((CONDITION) && [timeout timeIntervalSinceNow] > 0) { \
+    [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]]; \
+  } \
+}
 
 @interface TestExecutor : NSObject <RCTJavaScriptExecutor>
 
diff --git a/Examples/UIExplorer/UIExplorerUnitTests/RCTGzipTests.m b/Examples/UIExplorer/UIExplorerUnitTests/RCTGzipTests.m
index 55b53e48d..9d5814c56 100644
--- a/Examples/UIExplorer/UIExplorerUnitTests/RCTGzipTests.m
+++ b/Examples/UIExplorer/UIExplorerUnitTests/RCTGzipTests.m
@@ -17,13 +17,12 @@
 #import "RCTNetworking.h"
 
 #define RUN_RUNLOOP_WHILE(CONDITION) \
-_Pragma("clang diagnostic push") \
-_Pragma("clang diagnostic ignored \"-Wshadow\"") \
-NSDate *timeout = [[NSDate date] dateByAddingTimeInterval:5]; \
-while ((CONDITION) && [timeout timeIntervalSinceNow] > 0) { \
-  [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:timeout]; \
-} \
-_Pragma("clang diagnostic pop")
+{ \
+  NSDate *timeout = [NSDate dateWithTimeIntervalSinceNow:5]; \
+  while ((CONDITION) && [timeout timeIntervalSinceNow] > 0) { \
+    [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]]; \
+  } \
+}
 
 extern BOOL RCTIsGzippedData(NSData *data);
 
diff --git a/React/Base/RCTBatchedBridge.m b/React/Base/RCTBatchedBridge.m
index 3031c1a54..185d6379e 100644
--- a/React/Base/RCTBatchedBridge.m
+++ b/React/Base/RCTBatchedBridge.m
@@ -175,9 +175,7 @@ RCT_EXTERN NSArray<Class> *RCTGetModuleClasses(void);
   dispatch_group_notify(initModulesAndLoadSource, dispatch_get_main_queue(), ^{
     RCTBatchedBridge *strongSelf = weakSelf;
     if (sourceCode && strongSelf.loading) {
-      dispatch_async(bridgeQueue, ^{
-        [weakSelf executeSourceCode:sourceCode];
-      });
+      [strongSelf executeSourceCode:sourceCode];
     }
   });
 }
@@ -570,6 +568,7 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithBundleURL:(__unused NSURL *)bundleUR
   }
 
   RCTAssertMainThread();
+  RCTAssert(_javaScriptExecutor != nil, @"Can't complete invalidation without a JS executor");
 
   _loading = NO;
   _valid = NO;
@@ -605,11 +604,13 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithBundleURL:(__unused NSURL *)bundleUR
       if (RCTProfileIsProfiling()) {
         RCTProfileUnhookModules(self);
       }
+
       _moduleDataByName = nil;
       _moduleDataByID = nil;
       _moduleClassesByID = nil;
       _modulesByName_DEPRECATED = nil;
       _frameUpdateObservers = nil;
+      _pendingCalls = nil;
 
     }];
   });