diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index c9f9d3d3adbad36e69bdc7cb1e30acba7feac552..a66967fd0197727a073182be8f24a942fc688fe9 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7282,12 +7282,6 @@ enum skl_disp_power_wells {
 #define DC_STATE_EN			0x45504
 #define  DC_STATE_EN_UPTO_DC5		(1<<0)
 #define  DC_STATE_EN_DC9		(1<<3)
-
-/*
-* SKL DC
-*/
-#define  DC_STATE_EN			0x45504
-#define  DC_STATE_EN_UPTO_DC5		(1<<0)
 #define  DC_STATE_EN_UPTO_DC6		(2<<0)
 #define  DC_STATE_EN_UPTO_DC5_DC6_MASK   0x3