diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.h
index 6ed1480a8bc393e4cec0ebe653f5c298e320c0d9..4faa1659f7f9fefe8dc2878a548a87b6b8b125e0 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.h
@@ -59,11 +59,6 @@ int amdgpu_dm_atomic_commit(
 int amdgpu_dm_atomic_check(struct drm_device *dev,
 				struct drm_atomic_state *state);
 
-int dm_create_validation_set_for_stream(
-	struct drm_connector *connector,
-	struct drm_display_mode *mode,
-	struct dc_validation_set *val_set);
-
 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector);
 struct drm_connector_state *amdgpu_dm_connector_atomic_duplicate_state(
 	struct drm_connector *connector);