diff --git a/src/agent.h b/src/agent.h
index be683341..fd6aaaf1 100644
--- a/src/agent.h
+++ b/src/agent.h
@@ -34,7 +34,6 @@ typedef void (*agent_request_passphrase_func_t) (enum agent_result result,
 
 bool agent_init(struct l_dbus *dbus);
 bool agent_exit(struct l_dbus *dbus);
-bool agent_setup(struct l_dbus_interface *interface);
 void agent_shutdown(void);
 
 unsigned int agent_request_passphrase(const char *path,