1 files changed, 0 insertions, 3 deletions
diff --git a/lib/readline.js b/lib/readline.js
index 60e725c8bd..c3d7095925 100644
--- a/lib/readline.js
+++ b/lib/readline.js
@@ -26,7 +26,6 @@
 // * http://www.3waylabs.com/nw/WWW/products/wizcon/vt220.html
 
 var kHistorySize = 30;
-var kBufSize = 10 * 1024;
 
 var util = require('util');
 var inherits = require('util').inherits;
@@ -213,8 +212,6 @@ Interface.prototype._addHistory = function() {
 
 
 Interface.prototype._refreshLine = function() {
-  var columns = this.columns;
-
   // line length
   var line = this._prompt + this.line;
   var dispPos = this._getDisplayPos(line);