diff --git a/target/linux/ramips/files/drivers/dma/ralink-gdma.c b/target/linux/ramips/files/drivers/dma/ralink-gdma.c
index b5229bc6eae..e510a05ebbe 100644
--- a/target/linux/ramips/files/drivers/dma/ralink-gdma.c
+++ b/target/linux/ramips/files/drivers/dma/ralink-gdma.c
@@ -194,7 +194,6 @@ static int gdma_dma_config(struct dma_chan *c,
 			dev_err(dma_dev->ddev.dev, "only support 4 byte buswidth\n");
 			return -EINVAL;
 		}
-		chan->slave_id = config->slave_id;
 		chan->fifo_addr = config->dst_addr;
 		chan->burst_size = gdma_dma_maxburst(config->dst_maxburst);
 		break;
@@ -203,7 +202,6 @@ static int gdma_dma_config(struct dma_chan *c,
 			dev_err(dma_dev->ddev.dev, "only support 4 byte buswidth\n");
 			return -EINVAL;
 		}
-		chan->slave_id = config->slave_id;
 		chan->fifo_addr = config->src_addr;
 		chan->burst_size = gdma_dma_maxburst(config->src_maxburst);
 		break;