diff --git a/src/bin/e_focus.c b/src/bin/e_focus.c
index 35609d6ce..f4e0ab6b8 100644
--- a/src/bin/e_focus.c
+++ b/src/bin/e_focus.c
@@ -115,7 +115,7 @@ e_focus_event_mouse_down(E_Border* bd)
 }
 
 EAPI void
-e_focus_event_mouse_up(E_Border* bd)
+e_focus_event_mouse_up(E_Border* bd __UNUSED__)
 {
 }