diff --git a/include/linux/device.h b/include/linux/device.h
index 3c71b779668e..e19600c73fca 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -291,7 +291,6 @@ struct device_dma_parameters {
 	 * sg limitations.
 	 */
 	unsigned int max_segment_size;
-	unsigned int min_align_mask;
 	unsigned long segment_boundary_mask;
 };
 
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 7270f12e2c78..aab25a3c8e04 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -517,22 +517,6 @@ static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask)
 	return -EIO;
 }
 
-static inline unsigned int dma_get_min_align_mask(struct device *dev)
-{
-	if (dev->dma_parms)
-		return dev->dma_parms->min_align_mask;
-	return 0;
-}
-
-static inline int dma_set_min_align_mask(struct device *dev,
-		unsigned int min_align_mask)
-{
-	if (WARN_ON_ONCE(!dev->dma_parms))
-		return -EIO;
-	dev->dma_parms->min_align_mask = min_align_mask;
-	return 0;
-}
-
 static inline int dma_get_cache_alignment(void)
 {
 #ifdef ARCH_DMA_MINALIGN