diff --git a/lib/http/rpc.js b/lib/http/rpc.js
index 73cab0ff..8dc51f00 100644
--- a/lib/http/rpc.js
+++ b/lib/http/rpc.js
@@ -2012,7 +2012,6 @@ RPC.prototype.estimateSmartPriority = co(function* estimateSmartPriority(args, h
 RPC.prototype.invalidateBlock = co(function* invalidateBlock(args, help) {
   var valid = new Validator([args]);
   var hash = valid.hash(0);
-  var entry;
 
   if (help || args.length !== 1)
     throw new RPCError('invalidateblock "hash"');