diff --git a/src/XMPPCommand/Manager.c b/src/XMPPCommand/Manager.c
index 69f409a..00a8c89 100644
--- a/src/XMPPCommand/Manager.c
+++ b/src/XMPPCommand/Manager.c
@@ -40,6 +40,9 @@ struct XMPPCommandManager {
 static bool
 XMPPDefaultFilter(XMPPCommandManager *manager, char *id, XMLElement *stanza)
 {
+    (void) manager;
+    (void) stanza;
+    (void) id;
     return true;
 }
 static void