diff --git a/fs/udf/super.c b/fs/udf/super.c
index c19ee38..3cd5a85 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -474,7 +474,7 @@
 	return 1;
 }
 
-void udf_write_super(struct super_block *sb)
+static void udf_write_super(struct super_block *sb)
 {
 	lock_kernel();
 
@@ -1447,7 +1447,6 @@
 				map->s_type_specific.s_virtual.s_num_entries =
 					(sbi->s_vat_inode->i_size - 36) >> 2;
 			} else if (map->s_partition_type == UDF_VIRTUAL_MAP20) {
-				struct buffer_head *bh = NULL;
 				uint32_t pos;
 
 				pos = udf_block_map(sbi->s_vat_inode, 0);