diff --git a/lib/less/tree/quoted.js b/lib/less/tree/quoted.js
index 33fa3033d..b4802ecb2 100644
--- a/lib/less/tree/quoted.js
+++ b/lib/less/tree/quoted.js
@@ -10,7 +10,7 @@ var Quoted = function (str, content, escaped, index, currentFileInfo) {
     this._index = index;
     this._fileInfo = currentFileInfo;
 };
-Quoted.prototype = new JsEvalNode();
+Quoted.prototype = new Node();
 Quoted.prototype.type = "Quoted";
 Quoted.prototype.genCSS = function (context, output) {
     if (!this.escaped) {
@@ -22,7 +22,7 @@ Quoted.prototype.genCSS = function (context, output) {
     }
 };
 Quoted.prototype.containsVariables = function() {
-    return this.value.match(/(`([^`]+)`)|@\{([\w-]+)\}/);
+    return this.value.match(/@\{([\w-]+)\}/);
 };
 Quoted.prototype.eval = function (context) {
     var that = this, value = this.value;
@@ -45,7 +45,6 @@ Quoted.prototype.eval = function (context) {
         } while (value !== evaluatedValue);
         return evaluatedValue;
     }
-    value = iterativeReplace(value, /`([^`]+)`/g, javascriptReplacement);
     value = iterativeReplace(value, /@\{([\w-]+)\}/g, variableReplacement);
     value = iterativeReplace(value, /\$\{([\w-]+)\}/g, propertyReplacement);
     return new Quoted(this.quote + value + this.quote, value, this.escaped, this.getIndex(), this.fileInfo());