diff --git a/storm/common/utils/data_utils.py b/storm/common/utils/data_utils.py
index e4d9db5..8f43638 100644
--- a/storm/common/utils/data_utils.py
+++ b/storm/common/utils/data_utils.py
@@ -1,5 +1,5 @@
 import random
 
 
-def rand_name(self, name='test'):
+def rand_name(name='test'):
     return name + str(random.randint(1, 99999999999))