diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index eb019c121d40d16d698e1ba64d7b3c046ba71b1c..dfd94c52a4cc9735a07b89c3b76587e3b8f7cb30 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -240,7 +240,7 @@ uint32_t intel_dp_pack_aux(const uint8_t *src, int src_bytes)
 	return v;
 }
 
-void intel_dp_unpack_aux(uint32_t src, uint8_t *dst, int dst_bytes)
+static void intel_dp_unpack_aux(uint32_t src, uint8_t *dst, int dst_bytes)
 {
 	int i;
 	if (dst_bytes > 4)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index a36961c170e317a3a5549b5ea2a9250ca3bf2540..0ff80665b938c502f19610c145ec4bec76f745f2 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1037,7 +1037,6 @@ int intel_dp_max_link_bw(struct intel_dp *intel_dp);
 void intel_dp_hot_plug(struct intel_encoder *intel_encoder);
 void vlv_power_sequencer_reset(struct drm_i915_private *dev_priv);
 uint32_t intel_dp_pack_aux(const uint8_t *src, int src_bytes);
-void intel_dp_unpack_aux(uint32_t src, uint8_t *dst, int dst_bytes);
 void intel_plane_destroy(struct drm_plane *plane);
 void intel_edp_drrs_enable(struct intel_dp *intel_dp);
 void intel_edp_drrs_disable(struct intel_dp *intel_dp);