diff --git a/lib/bcoin/chainblock.js b/lib/bcoin/chainblock.js
index 60399e8a..57346b17 100644
--- a/lib/bcoin/chainblock.js
+++ b/lib/bcoin/chainblock.js
@@ -37,8 +37,6 @@ var BufferReader = require('./reader');
  * @property {Number} nonce
  * @property {Number} height
  * @property {BN} chainwork
- * @property {ChainBlock[]} ancestors - Ancestors are temporarily
- * advocate for IsSuperMajority and retargeting.
  * @property {ReversedHash} rhash - Reversed block hash (uint256le).
  */