diff --git a/drivers/gpu/drm/exynos/exynos_drm_dma.c b/drivers/gpu/drm/exynos/exynos_drm_dma.c
index bde2b86a7a7d..734741c80cbe 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dma.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dma.c
@@ -24,10 +24,6 @@
 #define to_dma_iommu_mapping(dev) NULL
 #endif
 
-#if !defined(CONFIG_IOMMU_DMA)
-#define iommu_dma_init_domain(...) ({ -EINVAL; })
-#endif
-
 #define EXYNOS_DEV_ADDR_START	0x20000000
 #define EXYNOS_DEV_ADDR_SIZE	0x40000000