diff --git a/Libraries/NativeAnimation/RCTNativeAnimatedModule.m b/Libraries/NativeAnimation/RCTNativeAnimatedModule.m
index 38ba6395b00232..1125513ae08b06 100644
--- a/Libraries/NativeAnimation/RCTNativeAnimatedModule.m
+++ b/Libraries/NativeAnimation/RCTNativeAnimatedModule.m
@@ -34,7 +34,7 @@ - (void)invalidate
 - (dispatch_queue_t)methodQueue
 {
   // This module needs to be on the same queue as the UIManager to avoid
-  // having to lock `_operations` and `_preOperations` since `uiManagerWillFlushUIBlocks`
+  // having to lock `_operations` and `_preOperations` since `uiManagerWillPerformMounting`
   // will be called from that queue.
   return RCTGetUIManagerQueue();
 }
@@ -198,7 +198,7 @@ - (void)addPreOperationBlock:(AnimatedOperation)operation
 
 #pragma mark - RCTUIManagerObserver
 
-- (void)uiManagerWillFlushUIBlocks:(RCTUIManager *)uiManager
+- (void)uiManagerWillPerformMounting:(RCTUIManager *)uiManager
 {
   if (_preOperations.count == 0 && _operations.count == 0) {
     return;
diff --git a/React/Modules/RCTUIManager.m b/React/Modules/RCTUIManager.m
index 5574d270cb00af..e772cf98799ca4 100644
--- a/React/Modules/RCTUIManager.m
+++ b/React/Modules/RCTUIManager.m
@@ -1126,7 +1126,7 @@ - (void)_layoutAndMount
     }
   }];
 
-  [_observerCoordinator uiManagerWillFlushUIBlocks:self];
+  [_observerCoordinator uiManagerWillPerformMounting:self];
 
   [self flushUIBlocks];
 }
diff --git a/React/Modules/RCTUIManagerObserverCoordinator.h b/React/Modules/RCTUIManagerObserverCoordinator.h
index 5203d510b3d1bc..cddad1010428b7 100644
--- a/React/Modules/RCTUIManagerObserverCoordinator.h
+++ b/React/Modules/RCTUIManagerObserverCoordinator.h
@@ -43,7 +43,7 @@
  * Called before flushing UI blocks at the end of a batch.
  * This is called from the UIManager queue. Can be used to add UI operations in that batch.
  */
-- (void)uiManagerWillFlushUIBlocks:(RCTUIManager *)manager;
+- (void)uiManagerWillPerformMounting:(RCTUIManager *)manager;
 
 @end
 
diff --git a/React/Modules/RCTUIManagerObserverCoordinator.mm b/React/Modules/RCTUIManagerObserverCoordinator.mm
index 00725111ed2886..3e519b61525357 100644
--- a/React/Modules/RCTUIManagerObserverCoordinator.mm
+++ b/React/Modules/RCTUIManagerObserverCoordinator.mm
@@ -63,13 +63,13 @@ - (void)uiManagerDidPerformLayout:(RCTUIManager *)manager
   }
 }
 
-- (void)uiManagerWillFlushUIBlocks:(RCTUIManager *)manager
+- (void)uiManagerWillPerformMounting:(RCTUIManager *)manager
 {
   std::lock_guard<std::mutex> lock(_mutex);
 
   for (id<RCTUIManagerObserver> observer in _observers) {
-    if ([observer respondsToSelector:@selector(uiManagerWillFlushUIBlocks:)]) {
-      [observer uiManagerWillFlushUIBlocks:manager];
+    if ([observer respondsToSelector:@selector(uiManagerWillPerformMounting:)]) {
+      [observer uiManagerWillPerformMounting:manager];
     }
   }
 }