diff --git a/lib/mempool/mempool.js b/lib/mempool/mempool.js
index d72da233..0e0cd0c6 100644
--- a/lib/mempool/mempool.js
+++ b/lib/mempool/mempool.js
@@ -2396,7 +2396,7 @@ MempoolCache.prototype.init = co(function* init(hash) {
 
 MempoolCache.prototype.load = co(function* load() {
   var version = yield this.getVersion();
-  var i, tip, entries, entry;
+  var tip, entries;
 
   if (version === -1) {
     version = MempoolCache.VERSION;