diff --git a/src/modules/clock/e_mod_main.c b/src/modules/clock/e_mod_main.c
index ea70be2cf..3d32e7203 100644
--- a/src/modules/clock/e_mod_main.c
+++ b/src/modules/clock/e_mod_main.c
@@ -538,7 +538,7 @@ _gc_icon(E_Gadcon_Client_Class *client_class __UNUSED__, Evas *evas)
 
 
 static const char *
-_gc_id_new(E_Gadcon_Client_Class *client_class)
+_gc_id_new(E_Gadcon_Client_Class *client_class __UNUSED__)
 {
    Config_Item *ci = NULL;