diff --git a/ming/tests/__init__.py b/ming/tests/__init__.py
index 079ac75..363d073 100644
--- a/ming/tests/__init__.py
+++ b/ming/tests/__init__.py
@@ -14,7 +14,6 @@ def push_seed(seed):
         random.setstate(rstate)
 
 
-@staticmethod
 def make_encryption_key(seed=__name__):
     with push_seed(seed):
         return base64.b64encode(os.urandom(96)).decode('ascii')