diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 1f608166fe6703c9af3ea8d5e55ca5393aca366e..844b4c5029cdd99dfec2c5d14d9d569806666e59 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -125,8 +125,6 @@ struct extent_state {
 struct extent_buffer {
 	u64 start;
 	unsigned long len;
-	unsigned long map_start;
-	unsigned long map_len;
 	unsigned long bflags;
 	struct btrfs_fs_info *fs_info;
 	spinlock_t refs_lock;