--- a/devtools/server/css-logic.js
+++ b/devtools/server/css-logic.js
@@ -29,18 +29,16 @@
 
 "use strict";
 
 const { Cc, Ci, Cu } = require("chrome");
 const DevToolsUtils = require("devtools/shared/DevToolsUtils");
 const nodeConstants = require("devtools/shared/dom-node-constants");
 const {l10n, isContentStylesheet, shortSource, FILTER, STATUS} = require("devtools/shared/inspector/css-logic");
 
-loader.lazyRequireGetter(this, "CSSLexer", "devtools/shared/css/lexer");
-
 /**
  * @param {function} isInherited A function that determines if the CSS property
  *                   is inherited.
  */
 function CssLogic(isInherited) {
   // The cache of examined CSS properties.
   this._isInherited = isInherited;
   this._propertyInfos = {};