diff --git a/common/fb_mmc.c b/common/fb_mmc.c
index e3abcc8..9e53adb 100644
--- a/common/fb_mmc.c
+++ b/common/fb_mmc.c
@@ -97,9 +97,8 @@
 	fastboot_okay(response_str, "");
 }
 
-void fb_mmc_flash_write(const char *cmd, unsigned int session_id,
-			void *download_buffer, unsigned int download_bytes,
-			char *response)
+void fb_mmc_flash_write(const char *cmd, void *download_buffer,
+			unsigned int download_bytes, char *response)
 {
 	struct blk_desc *dev_desc;
 	disk_partition_t info;
@@ -153,8 +152,7 @@
 		printf("Flashing sparse image at offset " LBAFU "\n",
 		       info.start);
 
-		store_sparse_image(&sparse, &sparse_priv, session_id,
-				   download_buffer);
+		store_sparse_image(&sparse, &sparse_priv, download_buffer);
 	} else {
 		write_raw_image(dev_desc, &info, cmd, download_buffer,
 				download_bytes);