diff --git a/helper/group.go b/helper/group.go
index a32b6e5..eb816b7 100644
--- a/helper/group.go
+++ b/helper/group.go
@@ -9,8 +9,9 @@ import (
 
 // GroupMembershipOperation creates/modifies/deletes a group membership
 type GroupMembershipOperation struct {
-	GroupMembership
-	Delete bool
+	UserID         string
+	IsGroupManager bool
+	Delete         bool
 }
 
 // GroupMembership containes who and what kind of membership they have with a group