diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_top/dml2_top_legacy.h b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_top/dml2_top_legacy.h
deleted file mode 100644
index 14d0ae03dce6..000000000000
--- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_top/dml2_top_legacy.h
+++ /dev/null
@@ -1,9 +0,0 @@
-// SPDX-License-Identifier: MIT
-//
-// Copyright 2024 Advanced Micro Devices, Inc.
-
-#ifndef __DML2_TOP_LEGACY_H__
-#define __DML2_TOP_LEGACY_H__
-#include "dml2_internal_shared_types.h"
-bool dml2_top_legacy_initialize_instance(struct dml2_initialize_instance_in_out *in_out);
-#endif /* __DML2_TOP_LEGACY_H__ */