diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index cb8ba6f55f7c..abf370e16bd9 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -3177,7 +3177,7 @@ static void cik_setup_rb(struct radeon_device *rdev,
 static void cik_gpu_init(struct radeon_device *rdev)
 {
 	u32 gb_addr_config = RREG32(GB_ADDR_CONFIG);
-	u32 mc_shared_chmap, mc_arb_ramcfg;
+	u32 mc_arb_ramcfg;
 	u32 hdp_host_path_cntl;
 	u32 tmp;
 	int i, j;
@@ -3270,7 +3270,7 @@ static void cik_gpu_init(struct radeon_device *rdev)
 
 	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
 
-	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
+	RREG32(MC_SHARED_CHMAP);
 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
 
 	rdev->config.cik.num_tile_pipes = rdev->config.cik.max_tile_pipes;