diff --git a/flurs/entity_types.py b/flurs/entity_types.py
index <HASH>..<HASH> 100644
--- a/flurs/entity_types.py
+++ b/flurs/entity_types.py
@@ -7,9 +7,6 @@ class User:
         self.index = index
         self.feature = feature
 
-    def __str__(self):
-        return 'user %d: %s' % (self.index, self.feature)
-
 
 class Item:
 
@@ -17,9 +14,6 @@ class Item:
         self.index = index
         self.feature = feature
 
-    def __str__(self):
-        return 'item %d: %s' % (self.index, self.feature)
-
 
 class Event:
Remove __str__ methods from entity types