diff --git a/go_optouts/store/interface.py b/go_optouts/store/interface.py
index 5882cea..13f6ac3 100644
--- a/go_optouts/store/interface.py
+++ b/go_optouts/store/interface.py
@@ -14,16 +14,12 @@ class IOptOutCollection(zope.interface.Interface):
 
         def get(address_type, address):
             """ Retrieve the opt out for an address. """
-            pass
 
         def put(address_type, address):
             """ Store a record of an opt out for an address. """
-            pass
 
         def delete(address_type, address):
             """ Remove an opt out for an address. """
-            pass
 
         def count():
             """ Return the number of opt outs. """
-            pass