diff --git a/ctree.h b/ctree.h
index 84298c7b..602c9562 100644
--- a/ctree.h
+++ b/ctree.h
@@ -1166,15 +1166,6 @@ struct btrfs_root {
 	u64 objectid;
 	u64 last_trans;
 
-	/* data allocations are done in sectorsize units */
-	u32 sectorsize;
-
-	/* node allocations are done in nodesize units */
-	u32 nodesize;
-
-	/* leaf allocations are done in nodesize units */
-	u32 stripesize;
-
 	int ref_cows;
 	int track_dirty;
 
diff --git a/disk-io.c b/disk-io.c
index 89e35c92..553073a4 100644
--- a/disk-io.c
+++ b/disk-io.c
@@ -481,9 +481,6 @@ void btrfs_setup_root(struct btrfs_root *root, struct btrfs_fs_info *fs_info,
 {
 	root->node = NULL;
 	root->commit_root = NULL;
-	root->sectorsize = fs_info->sectorsize;
-	root->nodesize = fs_info->nodesize;
-	root->stripesize = fs_info->stripesize;
 	root->ref_cows = 0;
 	root->track_dirty = 0;