diff --git a/lib/less/parser.js b/lib/less/parser.js
index 0df5789..c017dbd 100644
--- a/lib/less/parser.js
+++ b/lib/less/parser.js
@@ -49,7 +49,6 @@ less.Parser = function Parser(env) {
         furthest,    // furthest index the parser has gone to
         chunks,      // chunkified input
         current,     // index of current chunk, in `input`
-        inputLength,
         parser;
 
     var that = this;
@@ -251,7 +250,6 @@ less.Parser = function Parser(env) {
 
                 return chunks.map(function (c) { return c.join('') });;
             })([[]]);
-            inputLength = input.length;
 
             // Start with the primary rule.
             // The whole syntax tree is held under a Ruleset node,