diff --git a/hw/xwayland/xwayland-output.c b/hw/xwayland/xwayland-output.c
index 48faeb142..379062549 100644
--- a/hw/xwayland/xwayland-output.c
+++ b/hw/xwayland/xwayland-output.c
@@ -38,6 +38,8 @@
                        RR_Reflect_X  | \
                        RR_Reflect_Y)
 
+static void xwl_output_get_xdg_output(struct xwl_output *xwl_output);
+
 static Rotation
 wl_transform_to_xrandr(enum wl_output_transform transform)
 {
@@ -435,7 +437,7 @@ xwl_screen_init_output(struct xwl_screen *xwl_screen)
     return TRUE;
 }
 
-void
+static void
 xwl_output_get_xdg_output(struct xwl_output *xwl_output)
 {
     struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
diff --git a/hw/xwayland/xwayland.h b/hw/xwayland/xwayland.h
index 25112e2cb..39bc20a7e 100644
--- a/hw/xwayland/xwayland.h
+++ b/hw/xwayland/xwayland.h
@@ -440,7 +440,6 @@ void xwl_present_cleanup(WindowPtr window);
 
 void xwl_screen_release_tablet_manager(struct xwl_screen *xwl_screen);
 
-void xwl_output_get_xdg_output(struct xwl_output *xwl_output);
 void xwl_screen_init_xdg_output(struct xwl_screen *xwl_screen);
 
 void xwl_glamor_egl_make_current(struct xwl_screen *xwl_screen);