diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 66a4e20..15d28e3 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -940,7 +940,6 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
 		return NULL;
 
 	ei->vfs_inode.i_version = 1;
-	ei->vfs_inode.i_data.writeback_index = 0;
 	memset(&ei->i_cached_extent, 0, sizeof(struct ext4_ext_cache));
 	INIT_LIST_HEAD(&ei->i_prealloc_list);
 	spin_lock_init(&ei->i_prealloc_lock);