diff --git a/packages/core/core/src/serializer.js b/packages/core/core/src/serializer.js
index c9ca80678b3..ab078a82e4f 100644
--- a/packages/core/core/src/serializer.js
+++ b/packages/core/core/src/serializer.js
@@ -11,10 +11,6 @@ const nameToCtor: Map<string, Class<*>> = new Map();
 const ctorToName: Map<Class<*>, string> = new Map();
 
 export function registerSerializableClass(name: string, ctor: Class<*>) {
-  if (nameToCtor.has(name)) {
-    throw new Error('Name already registered with serializer');
-  }
-
   if (ctorToName.has(ctor)) {
     throw new Error('Class already registered with serializer');
   }