diff --git a/input/drivers_keyboard/keyboard_event_x11.c b/input/drivers_keyboard/keyboard_event_x11.c
index f14ad92084..045158d07a 100644
--- a/input/drivers_keyboard/keyboard_event_x11.c
+++ b/input/drivers_keyboard/keyboard_event_x11.c
@@ -28,9 +28,6 @@
 #include "../keyboard_line.h"
 #include "../input_keymaps.h"
 
-/* forward declarations */
-void x11_handle_key_event(XEvent *event, XIC ic, bool filter);
-
 static INLINE unsigned leading_ones(uint8_t c)
 {
    unsigned ones = 0;