--- a/protocols/sip/purplesipprotocol.c	Thu Jul 31 16:57:17 2025 -0500
+++ b/protocols/sip/purplesipprotocol.c	Thu Jul 31 20:55:42 2025 -0500
@@ -43,8 +43,7 @@
 }
 
 static void
-purple_sip_protocol_class_init(PurpleSipProtocolClass *klass) {
-	PurpleProtocolClass *protocol_class = PURPLE_PROTOCOL_CLASS(klass);
+purple_sip_protocol_class_init(G_GNUC_UNUSED PurpleSipProtocolClass *klass) {
 }
 
 /******************************************************************************