diff --git a/hw/xwayland/xwayland-glamor.c b/hw/xwayland/xwayland-glamor.c
index 95e65af64..23dc429c8 100644
--- a/hw/xwayland/xwayland-glamor.c
+++ b/hw/xwayland/xwayland-glamor.c
@@ -113,7 +113,7 @@ xwl_glamor_init_wl_registry(struct xwl_screen *xwl_screen,
         xwl_screen_set_dmabuf_interface(xwl_screen, id, version);
 }
 
-Bool
+static Bool
 xwl_glamor_has_wl_interfaces(struct xwl_screen *xwl_screen,
                             struct xwl_egl_backend *xwl_egl_backend)
 {
diff --git a/hw/xwayland/xwayland-glamor.h b/hw/xwayland/xwayland-glamor.h
index cf6e332eb..d9a168447 100644
--- a/hw/xwayland/xwayland-glamor.h
+++ b/hw/xwayland/xwayland-glamor.h
@@ -130,8 +130,6 @@ void xwl_glamor_init_wl_registry(struct xwl_screen *xwl_screen,
                                  struct wl_registry *registry,
                                  uint32_t id, const char *interface,
                                  uint32_t version);
-Bool xwl_glamor_has_wl_interfaces(struct xwl_screen *xwl_screen,
-                                 struct xwl_egl_backend *xwl_egl_backend);
 void xwl_glamor_egl_make_current(struct xwl_screen *xwl_screen);
 Bool xwl_glamor_needs_buffer_flush(struct xwl_screen *xwl_screen);
 Bool xwl_glamor_needs_n_buffering(struct xwl_screen *xwl_screen);