diff --git a/rhodecode/controllers/admin/users_groups.py b/rhodecode/controllers/admin/users_groups.py
--- a/rhodecode/controllers/admin/users_groups.py
+++ b/rhodecode/controllers/admin/users_groups.py
@@ -149,6 +149,14 @@ class UsersGroupsController(BaseControll
         #    h.form(url('users_group', id=ID),
         #           method='delete')
         # url('users_group', id=ID)
+        users_group_model = UsersGroupModel()
+        try:
+            users_group_model.delete(id)
+            h.flash(_('successfully deleted users group'), category='success')
+        except Exception:
+            h.flash(_('An error occurred during deletion of users group'),
+                    category='error')
+        return redirect(url('users_groups'))
 
     def show(self, id, format='html'):
         """GET /users_groups/id: Show a specific item"""
diff --git a/rhodecode/model/users_group.py b/rhodecode/model/users_group.py
--- a/rhodecode/model/users_group.py
+++ b/rhodecode/model/users_group.py
@@ -99,3 +99,13 @@ class UsersGroupModel(BaseModel):
             log.error(traceback.format_exc())
             self.sa.rollback()
             raise
+
+    def delete(self, users_group_id):
+        try:
+            users_group = self.get(users_group_id, cache=False)
+            self.sa.delete(users_group)
+            self.sa.commit()
+        except:
+            log.error(traceback.format_exc())
+            self.sa.rollback()
+            raise