diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
index 8fc7677e2d13..c1d73f3e7bc3 100644
--- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
@@ -351,9 +351,6 @@
 #define GEN6_GT_GFX_RC6_LOCKED			_MMIO(0x138104)
 #define GEN6_GT_GFX_RC6				_MMIO(0x138108)
 
-#define GFX_FLSH_CNTL_GEN6			_MMIO(0x101008)
-#define   GFX_FLSH_CNTL_EN			(1 << 0)
-
 #define GT_INTR_DW(x)				_MMIO(0x190018 + ((x) * 4))
 
 #define GUC_SG_INTR_ENABLE			_MMIO(0x190038)
diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c
index 99bc9036c7a0..0fda9a18049b 100644
--- a/drivers/gpu/drm/xe/xe_ggtt.c
+++ b/drivers/gpu/drm/xe/xe_ggtt.c
@@ -196,11 +196,6 @@ void xe_ggtt_invalidate(struct xe_gt *gt)
 {
 	/* TODO: vfunc for GuC vs. non-GuC */
 
-	/* TODO: i915 makes comments about this being uncached and
-	 * therefore flushing WC buffers.  Is that really true here?
-	 */
-	xe_mmio_write32(gt, GFX_FLSH_CNTL_GEN6.reg, GFX_FLSH_CNTL_EN);
-
 	if (gt->uc.guc.submission_state.enabled) {
 		int seqno;