diff --git a/drivers/gpu/drm/i915/display/vlv_dsi_regs.h b/drivers/gpu/drm/i915/display/vlv_dsi_regs.h
index abbe427e462e..b0cdaad7db9c 100644
--- a/drivers/gpu/drm/i915/display/vlv_dsi_regs.h
+++ b/drivers/gpu/drm/i915/display/vlv_dsi_regs.h
@@ -93,9 +93,6 @@
 #define  TEARING_EFFECT_DELAY_SHIFT			0
 #define  TEARING_EFFECT_DELAY_MASK			(0xffff << 0)
 
-/* XXX: all bits reserved */
-#define _MIPIA_AUTOPWG			(VLV_DISPLAY_BASE + 0x611a0)
-
 /* MIPI DSI Controller and D-PHY registers */
 
 #define _MIPIA_DEVICE_READY		(_MIPI_MMIO_BASE(dev_priv) + 0xb000)