diff --git a/aiogram/dispatcher/handler.py b/aiogram/dispatcher/handler.py
index 10a94924..85d7731d 100644
--- a/aiogram/dispatcher/handler.py
+++ b/aiogram/dispatcher/handler.py
@@ -76,8 +76,8 @@ class Handler:
         """
         for handler_obj in self.handlers:
             registered = handler_obj.handler
-            if handler is registered:
-                self.handlers.remove(handler_obj)
+            if handler in self.handlers:
+                self.handlers.remove(handler)
                 return True
         raise ValueError('This handler is not registered!')