diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 614c90452fc9..ea8477be02c9 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -39,8 +39,6 @@ enum {
 	EXTENT_BUFFER_UPTODATE,
 	EXTENT_BUFFER_DIRTY,
 	EXTENT_BUFFER_CORRUPT,
-	/* this got triggered by readahead */
-	EXTENT_BUFFER_READAHEAD,
 	EXTENT_BUFFER_TREE_REF,
 	EXTENT_BUFFER_STALE,
 	EXTENT_BUFFER_WRITEBACK,