diff --git a/neo/protocol.py b/neo/protocol.py
index 0431ce3529c324ea25661b5bb24d29df0dc8679c..a9b7b0dd1ce18303b1187c442dc617659250bc9c 100644
--- a/neo/protocol.py
+++ b/neo/protocol.py
@@ -47,7 +47,7 @@ class EnumItem(int):
         return self.name
 
     def __repr__(self):
-        return '<EnumItem %r (%r) of %r>' % (self.name, int(self), self.enum)
+        return '<EnumItem %r (%r)>' % (self.name, int(self))
 
 class Enum(dict):
     """