diff --git a/ReactCommon/fabric/core/primitives/ReactPrimitives.h b/ReactCommon/fabric/core/primitives/ReactPrimitives.h
index c81f0ac93..836fdb741 100644
--- a/ReactCommon/fabric/core/primitives/ReactPrimitives.h
+++ b/ReactCommon/fabric/core/primitives/ReactPrimitives.h
@@ -28,15 +28,6 @@ using InstanceHandle = struct InstanceHandleDummyStruct {} *;
 using RawProps = std::map<std::string, folly::dynamic>;
 using SharedRawProps = std::shared_ptr<const RawProps>;
 
-/*
- * Components event handlers.
- * Something which usually called from JavaScript side.
- */
-using BubblingEventHandler = void (*)(void);
-using SharedBubblingEventHandler = std::shared_ptr<BubblingEventHandler>;
-using DirectEventHandler = void (*)(void);
-using SharedDirectEventHandler = std::shared_ptr<DirectEventHandler>;
-
 /*
  * Universal component handle which allows to refer to `ComponentDescriptor`s
  * in maps efficiently.