diff --git a/daemon/remote.c b/daemon/remote.c
index b71ffa2a1d..74811a4ea3 100644
--- a/daemon/remote.c
+++ b/daemon/remote.c
@@ -2653,7 +2653,7 @@ authdeny:
 }
 #elif HAVE_POLKIT0
 static int
-remoteDispatchAuthPolkit(virNetServerPtr server,
+remoteDispatchAuthPolkit(virNetServerPtr server ATTRIBUTE_UNUSED,
                          virNetServerClientPtr client,
                          virNetMessagePtr msg ATTRIBUTE_UNUSED,
                          virNetMessageErrorPtr rerr,