diff --git a/roles/tikv/vars/default.yml b/roles/tikv/vars/default.yml
index e97f6c82e..69e540891 100644
--- a/roles/tikv/vars/default.yml
+++ b/roles/tikv/vars/default.yml
@@ -279,9 +279,6 @@ rocksdb:
   ## Allows OS to incrementally sync WAL to disk while it is being written.
   # wal-bytes-per-sync: "512KB"
 
-  ## Options for "Titan"
-  titan:
-
   ## Options for "Default" Column Family, which stores actual user data.
   defaultcf:
     ## Compression method (if any) is used to compress a block.