diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
index 093599aba64b9e0ff0e0a4ba1f43e936903707fa..34830189311e1c6caa2b495f7a25a7589f99ee0d 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
@@ -3624,16 +3624,8 @@ dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode)
 
 }
 
-static bool dce_v10_0_ext_mode_fixup(struct drm_encoder *encoder,
-				    const struct drm_display_mode *mode,
-				    struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
 static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = {
 	.dpms = dce_v10_0_ext_dpms,
-	.mode_fixup = dce_v10_0_ext_mode_fixup,
 	.prepare = dce_v10_0_ext_prepare,
 	.mode_set = dce_v10_0_ext_mode_set,
 	.commit = dce_v10_0_ext_commit,
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
index 8e67249d4367d1aff0737c8ea3b48369b8019bc4..36deea162779501dc852ef85e0b6c7a199780729 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
@@ -3619,16 +3619,8 @@ dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
 
 }
 
-static bool dce_v11_0_ext_mode_fixup(struct drm_encoder *encoder,
-				    const struct drm_display_mode *mode,
-				    struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
 	.dpms = dce_v11_0_ext_dpms,
-	.mode_fixup = dce_v11_0_ext_mode_fixup,
 	.prepare = dce_v11_0_ext_prepare,
 	.mode_set = dce_v11_0_ext_mode_set,
 	.commit = dce_v11_0_ext_commit,
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index d0e128c248134e8a6fb9c9e4311e52bd7af0aceb..25dd8b668ea50db6d92ad30109a48582533569e9 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -3554,16 +3554,8 @@ dce_v8_0_ext_dpms(struct drm_encoder *encoder, int mode)
 
 }
 
-static bool dce_v8_0_ext_mode_fixup(struct drm_encoder *encoder,
-				    const struct drm_display_mode *mode,
-				    struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
 static const struct drm_encoder_helper_funcs dce_v8_0_ext_helper_funcs = {
 	.dpms = dce_v8_0_ext_dpms,
-	.mode_fixup = dce_v8_0_ext_mode_fixup,
 	.prepare = dce_v8_0_ext_prepare,
 	.mode_set = dce_v8_0_ext_mode_set,
 	.commit = dce_v8_0_ext_commit,