diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c
index 7b784d91e258..68b9c5522eaa 100644
--- a/drivers/gpu/drm/ast/ast_ttm.c
+++ b/drivers/gpu/drm/ast/ast_ttm.c
@@ -216,21 +216,8 @@ static struct ttm_tt *ast_ttm_tt_create(struct ttm_bo_device *bdev,
 	return tt;
 }
 
-static int ast_ttm_tt_populate(struct ttm_tt *ttm,
-			struct ttm_operation_ctx *ctx)
-{
-	return ttm_pool_populate(ttm, ctx);
-}
-
-static void ast_ttm_tt_unpopulate(struct ttm_tt *ttm)
-{
-	ttm_pool_unpopulate(ttm);
-}
-
 struct ttm_bo_driver ast_bo_driver = {
 	.ttm_tt_create = ast_ttm_tt_create,
-	.ttm_tt_populate = ast_ttm_tt_populate,
-	.ttm_tt_unpopulate = ast_ttm_tt_unpopulate,
 	.init_mem_type = ast_bo_init_mem_type,
 	.eviction_valuable = ttm_bo_eviction_valuable,
 	.evict_flags = ast_bo_evict_flags,