diff --git a/slurmweb/tests/lib/agent.py b/slurmweb/tests/lib/agent.py
index 1912d939..804e27be 100644
--- a/slurmweb/tests/lib/agent.py
+++ b/slurmweb/tests/lib/agent.py
@@ -107,9 +107,7 @@ def setup_client(
                 )
             )
         if not anonymous_enabled:
-            for role in self.app.policy.loader.roles.copy():
-                if role.name == ANONYMOUS_ROLE:
-                    self.app.policy.loader.roles.remove(role)
+            self.app.policy.disable_anonymous()
 
         conf.close()
         key.close()