diff --git a/src/gallium/frontends/dri/kopper.c b/src/gallium/frontends/dri/kopper.c
index 9593064a6f6..4a5f7748175 100644
--- a/src/gallium/frontends/dri/kopper.c
+++ b/src/gallium/frontends/dri/kopper.c
@@ -52,10 +52,6 @@
 #include "loader_dri3_helper.h"
 #endif
 
-static struct dri_drawable *
-kopper_create_drawable(struct dri_screen *screen, const struct gl_config *visual,
-                       bool isPixmap, void *loaderPrivate);
-
 struct pipe_screen *
 kopper_init_screen(struct dri_screen *screen, bool driver_name_is_inferred)
 {