diff --git a/fs/udf/super.c b/fs/udf/super.c
index f8830803d389276ef1600eb43ab99d6824bb795d..bc5b30a819e82e8622d2ead088c52ef5cf7c268e 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1080,8 +1080,6 @@ static int udf_fill_partdesc_info(struct super_block *sb,
 		if (!bitmap)
 			return 1;
 		map->s_uspace.s_bitmap = bitmap;
-		bitmap->s_extLength = le32_to_cpu(
-				phd->unallocSpaceBitmap.extLength);
 		bitmap->s_extPosition = le32_to_cpu(
 				phd->unallocSpaceBitmap.extPosition);
 		map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP;
@@ -1116,8 +1114,6 @@ static int udf_fill_partdesc_info(struct super_block *sb,
 		if (!bitmap)
 			return 1;
 		map->s_fspace.s_bitmap = bitmap;
-		bitmap->s_extLength = le32_to_cpu(
-				phd->freedSpaceBitmap.extLength);
 		bitmap->s_extPosition = le32_to_cpu(
 				phd->freedSpaceBitmap.extPosition);
 		map->s_partition_flags |= UDF_PART_FLAG_FREED_BITMAP;
diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h
index 4f7ddb796991dcfc4658af5c2b65eb71beb838d8..ed401e94aa8c956dd8685ab33f496fc4ea52eec7 100644
--- a/fs/udf/udf_sb.h
+++ b/fs/udf/udf_sb.h
@@ -80,7 +80,6 @@ struct udf_virtual_data {
 };
 
 struct udf_bitmap {
-	__u32			s_extLength;
 	__u32			s_extPosition;
 	int			s_nr_groups;
 	struct buffer_head 	*s_block_bitmap[0];