diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
index e3bcea4b4891..418817600ad1 100644
--- a/drivers/gpu/drm/vkms/vkms_plane.c
+++ b/drivers/gpu/drm/vkms/vkms_plane.c
@@ -141,14 +141,12 @@ static int vkms_prepare_fb(struct drm_plane *plane,
 			   struct drm_plane_state *state)
 {
 	struct drm_gem_object *gem_obj;
-	struct vkms_gem_object *vkms_obj;
 	int ret;
 
 	if (!state->fb)
 		return 0;
 
 	gem_obj = drm_gem_fb_get_obj(state->fb, 0);
-	vkms_obj = drm_gem_to_vkms_gem(gem_obj);
 	ret = vkms_gem_vmap(gem_obj);
 	if (ret)
 		DRM_ERROR("vmap failed: %d\n", ret);