diff --git a/lib/blockchain/chaindb.js b/lib/blockchain/chaindb.js
index 6a248953..d510d22f 100644
--- a/lib/blockchain/chaindb.js
+++ b/lib/blockchain/chaindb.js
@@ -1747,7 +1747,7 @@ ChainDB.prototype.connectBlock = co(function* connectBlock(block, view) {
  */
 
 ChainDB.prototype.disconnectBlock = co(function* disconnectBlock(block) {
-  var i, j, view, tx, hash, input, output;
+  var i, j, view, tx, input, output;
 
   if (this.options.spv)
     return;
@@ -1758,7 +1758,6 @@ ChainDB.prototype.disconnectBlock = co(function* disconnectBlock(block) {
 
   for (i = block.txs.length - 1; i >= 0; i--) {
     tx = block.txs[i];
-    hash = tx.hash('hex');
 
     if (i > 0) {
       for (j = 0; j < tx.inputs.length; j++) {