diff --git a/common/fb_mmc.c b/common/fb_mmc.c
index b748b15..234ce83 100644
--- a/common/fb_mmc.c
+++ b/common/fb_mmc.c
@@ -342,8 +342,7 @@ void fb_mmc_flash_write(const char *cmd, void *download_buffer,
 		       sparse.start);
 
 		sparse.priv = &sparse_priv;
-		write_sparse_image(&sparse, cmd, download_buffer,
-				   download_bytes);
+		write_sparse_image(&sparse, cmd, download_buffer);
 	} else {
 		write_raw_image(dev_desc, &info, cmd, download_buffer,
 				download_bytes);
diff --git a/common/fb_nand.c b/common/fb_nand.c
index 3df0f72..d7d9eb0 100644
--- a/common/fb_nand.c
+++ b/common/fb_nand.c
@@ -179,8 +179,7 @@ void fb_nand_flash_write(const char *cmd, void *download_buffer,
 		       sparse.start);
 
 		sparse.priv = &sparse_priv;
-		write_sparse_image(&sparse, cmd, download_buffer,
-				   download_bytes);
+		write_sparse_image(&sparse, cmd, download_buffer);
 	} else {
 		printf("Flashing raw image at offset 0x%llx\n",
 		       part->offset);
diff --git a/common/image-sparse.c b/common/image-sparse.c
index ddf5772..8ebd647 100644
--- a/common/image-sparse.c
+++ b/common/image-sparse.c
@@ -51,7 +51,7 @@
 
 void write_sparse_image(
 		struct sparse_storage *info, const char *part_name,
-		void *data, unsigned sz)
+		void *data)
 {
 	lbaint_t blk;
 	lbaint_t blkcnt;
diff --git a/include/image-sparse.h b/include/image-sparse.h
index 4d1f910..72f4036 100644
--- a/include/image-sparse.h
+++ b/include/image-sparse.h
@@ -36,4 +36,4 @@ static inline int is_sparse_image(void *buf)
 }
 
 void write_sparse_image(struct sparse_storage *info, const char *part_name,
-			void *data, unsigned sz);
+			void *data);