diff --git a/React/Base/RCTBatchedBridge.m b/React/Base/RCTBatchedBridge.m
index 569c7f7791d96d..9b77ad46604106 100644
--- a/React/Base/RCTBatchedBridge.m
+++ b/React/Base/RCTBatchedBridge.m
@@ -106,13 +106,6 @@ - (instancetype)initWithParentBridge:(RCTBridge *)bridge
      */
     [self registerModules];
 
-    /**
-     * If currently profiling, hook into the current instance
-     */
-    if (RCTProfileIsProfiling()) {
-      RCTProfileHookModules(self);
-    }
-
     /**
      * Start the application script
      */
@@ -371,13 +364,8 @@ - (void)invalidate
     }
     moduleData.queue = nil;
   }
-
   dispatch_group_notify(group, dispatch_get_main_queue(), ^{
     [_javaScriptExecutor executeBlockOnJavaScriptQueue:^{
-      if (RCTProfileIsProfiling()) {
-        RCTProfileUnhookModules(self);
-      }
-
       [_jsDisplayLink invalidate];
       _jsDisplayLink = nil;
 
diff --git a/React/Base/RCTProfile.h b/React/Base/RCTProfile.h
index 66cf40bf4425a5..469a8155291b45 100644
--- a/React/Base/RCTProfile.h
+++ b/React/Base/RCTProfile.h
@@ -103,16 +103,6 @@ RCT_EXTERN void RCTProfileImmediateEvent(NSString *, NSTimeInterval , NSString *
   RCTProfileEndEvent([NSString stringWithFormat:@"[%@ %@]", NSStringFromClass([self class]), NSStringFromSelector(_cmd)], category, arguments); \
 }
 
-/**
- * Hook into a bridge instance to log all bridge module's method calls
- */
-RCT_EXTERN void RCTProfileHookModules(RCTBridge *);
-
-/**
- * Unhook from a given bridge instance's modules
- */
-RCT_EXTERN void RCTProfileUnhookModules(RCTBridge *);
-
 #else
 
 #define RCTProfileBeginFlowEvent()
@@ -135,7 +125,4 @@ RCT_EXTERN void RCTProfileUnhookModules(RCTBridge *);
 
 #define RCTProfileBlock(block, ...) block
 
-#define RCTProfileHookModules(...)
-#define RCTProfileUnhookModules(...)
-
 #endif
diff --git a/React/Base/RCTProfile.m b/React/Base/RCTProfile.m
index 4eeaf3e9d95d25..62a17fe7b00d00 100644
--- a/React/Base/RCTProfile.m
+++ b/React/Base/RCTProfile.m
@@ -144,17 +144,14 @@ static IMP RCTProfileMsgForward(NSObject *self, SEL selector)
   return imp;
 }
 
-void RCTProfileHookModules(RCTBridge *bridge)
+static void RCTProfileHookModules(RCTBridge *);
+static void RCTProfileHookModules(RCTBridge *bridge)
 {
   for (RCTModuleData *moduleData in [bridge valueForKey:@"_modules"]) {
     [moduleData dispatchBlock:^{
       Class moduleClass = moduleData.cls;
       Class proxyClass = objc_allocateClassPair(moduleClass, RCTProfileProxyClassName(moduleClass), 0);
 
-      if (!proxyClass) {
-        return;
-      }
-
       unsigned int methodCount;
       Method *methods = class_copyMethodList(moduleClass, &methodCount);
       for (NSUInteger i = 0; i < methodCount; i++) {
@@ -188,6 +185,7 @@ void RCTProfileHookModules(RCTBridge *bridge)
   }
 }
 
+void RCTProfileUnhookModules(RCTBridge *);
 void RCTProfileUnhookModules(RCTBridge *bridge)
 {
   for (RCTModuleData *moduleData in [bridge valueForKey:@"_modules"]) {
diff --git a/React/Views/RCTNavigator.m b/React/Views/RCTNavigator.m
index ff91b0b5474c9f..63e3d8023462f7 100644
--- a/React/Views/RCTNavigator.m
+++ b/React/Views/RCTNavigator.m
@@ -436,7 +436,7 @@ - (void)dispatchFakeScrollEvent
  */
 - (UIView *)reactSuperview
 {
-  RCTAssert(!_bridge.isValid || self.superview != nil, @"put reactNavSuperviewLink back");
+  RCTAssert(self.superview != nil, @"put reactNavSuperviewLink back");
   return self.superview ? self.superview : self.reactNavSuperviewLink;
 }