-VG_STATIC void water_set_surface( world_instance *world, float height );
-VG_STATIC void render_water_texture( world_instance *world, camera *cam,
- int layer_depth );
-VG_STATIC void render_water_surface( world_instance *world, camera *cam );
+static void water_set_surface( world_instance *world, float height );
+static void render_water_texture( world_instance *world, camera *cam );
+static void render_water_surface( world_instance *world, camera *cam );