diff --git a/amd/build/primary-nav-tools.min.js b/amd/build/primary-nav-tools.min.js
index 8cb6f74..13ade32 100644
--- a/amd/build/primary-nav-tools.min.js
+++ b/amd/build/primary-nav-tools.min.js
@@ -1,3 +1,3 @@
-define("local_treestudyplan/primary-nav-tools",["exports","./util/debugger"],(function(_exports,_debugger){var obj;function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.hide_primary=function(hrefs){var element=document.createElement("style");document.head.appendChild(element);var sheet=element.sheet;("string"==typeof hrefs||hrefs instanceof String)&&(hrefs=[hrefs]);if("object"===_typeof(hrefs)&&Array.isArray(hrefs))for(var ix in hrefs){var href=hrefs[ix];debug.info("Hiding",href);var style='\n                .primary-navigation li.nav-item > a[href*="'.concat(href,'"] {\n                    display: none;\n                }\n            ');debug.info("Adding style",style),sheet.insertRule(style,sheet.cssRules.length)}debug.info("stylesheet",sheet)};var debug=new(_debugger=(obj=_debugger)&&obj.__esModule?obj:{default:obj}).default("primary-nav-tools")}));
+define("local_treestudyplan/primary-nav-tools",["exports"],(function(_exports){function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.hide_primary=function(hrefs){var element=document.createElement("style");document.head.appendChild(element);var sheet=element.sheet;("string"==typeof hrefs||hrefs instanceof String)&&(hrefs=[hrefs]);if("object"===_typeof(hrefs)&&Array.isArray(hrefs))for(var ix in hrefs){var href=hrefs[ix],style='\n                .primary-navigation li.nav-item > a[href*="'.concat(href,'"] {\n                    display: none;\n                }\n            ');sheet.insertRule(style,sheet.cssRules.length)}}}));
 
 //# sourceMappingURL=primary-nav-tools.min.js.map
\ No newline at end of file
diff --git a/amd/build/primary-nav-tools.min.js.map b/amd/build/primary-nav-tools.min.js.map
index 38bd1b1..17304e8 100644
--- a/amd/build/primary-nav-tools.min.js.map
+++ b/amd/build/primary-nav-tools.min.js.map
@@ -1 +1 @@
-{"version":3,"file":"primary-nav-tools.min.js","sources":["../src/primary-nav-tools.js"],"sourcesContent":["/*eslint-env es6*/\n// Put this file in path/to/plugin/amd/src\n// You can call it anything you like\nimport Debugger from './util/debugger';\nlet debug = new Debugger(\"primary-nav-tools\");\n\n/**\n * Hide a primary navigation item by href\n * @param {string|Array} hrefs The link that should be hidden\n */\nexport function hide_primary(hrefs) {\n    let element = document.createElement('style');\n    document.head.appendChild(element);\n    let sheet = element.sheet;\n\n    if(typeof hrefs === 'string' || hrefs instanceof String){\n        hrefs = [hrefs];\n    }\n\n    if(typeof hrefs === 'object' && Array.isArray(hrefs)){\n        for(const ix in hrefs){\n            const href = hrefs[ix];\n            debug.info(\"Hiding\",href);\n            let style = `\n                .primary-navigation li.nav-item > a[href*=\"${href}\"] {\n                    display: none;\n                }\n            `;\n            debug.info(\"Adding style\",style);\n\n            sheet.insertRule(style, sheet.cssRules.length);\n        }\n    }\n    debug.info(\"stylesheet\",sheet);\n}\n"],"names":["hrefs","element","document","createElement","head","appendChild","sheet","String","_typeof","Array","isArray","ix","href","debug","info","style","insertRule","cssRules","length"],"mappings":"odAU6BA,WACrBC,QAAUC,SAASC,cAAc,SACrCD,SAASE,KAAKC,YAAYJ,aACtBK,MAAQL,QAAQK,OAEA,iBAAVN,OAAsBA,iBAAiBO,UAC7CP,MAAQ,CAACA,WAGO,WAAjBQ,QAAOR,QAAsBS,MAAMC,QAAQV,WACtC,IAAMW,MAAMX,MAAM,KACZY,KAAOZ,MAAMW,IACnBE,MAAMC,KAAK,SAASF,UAChBG,6EAC6CH,kFAIjDC,MAAMC,KAAK,eAAeC,OAE1BT,MAAMU,WAAWD,MAAOT,MAAMW,SAASC,QAG/CL,MAAMC,KAAK,aAAaR,YA7BxBO,MAAQ,yEAAa"}
\ No newline at end of file
+{"version":3,"file":"primary-nav-tools.min.js","sources":["../src/primary-nav-tools.js"],"sourcesContent":["/*eslint-env es6*/\n\n/**\n * Hide a primary navigation item by href\n * @param {string|Array} hrefs The link that should be hidden\n */\nexport function hide_primary(hrefs) {\n    let element = document.createElement('style');\n    document.head.appendChild(element);\n    let sheet = element.sheet;\n\n    if(typeof hrefs === 'string' || hrefs instanceof String){\n        hrefs = [hrefs];\n    }\n\n    if(typeof hrefs === 'object' && Array.isArray(hrefs)){\n        for(const ix in hrefs){\n            const href = hrefs[ix];\n            let style = `\n                .primary-navigation li.nav-item > a[href*=\"${href}\"] {\n                    display: none;\n                }\n            `;\n            sheet.insertRule(style, sheet.cssRules.length);\n        }\n    }\n}\n"],"names":["hrefs","element","document","createElement","head","appendChild","sheet","String","_typeof","Array","isArray","ix","href","style","insertRule","cssRules","length"],"mappings":"gbAM6BA,WACrBC,QAAUC,SAASC,cAAc,SACrCD,SAASE,KAAKC,YAAYJ,aACtBK,MAAQL,QAAQK,OAEA,iBAAVN,OAAsBA,iBAAiBO,UAC7CP,MAAQ,CAACA,WAGO,WAAjBQ,QAAOR,QAAsBS,MAAMC,QAAQV,WACtC,IAAMW,MAAMX,MAAM,KACZY,KAAOZ,MAAMW,IACfE,6EAC6CD,kFAIjDN,MAAMQ,WAAWD,MAAOP,MAAMS,SAASC"}
\ No newline at end of file
diff --git a/amd/src/primary-nav-tools.js b/amd/src/primary-nav-tools.js
index c604011..c5aeac6 100644
--- a/amd/src/primary-nav-tools.js
+++ b/amd/src/primary-nav-tools.js
@@ -1,8 +1,4 @@
 /*eslint-env es6*/
-// Put this file in path/to/plugin/amd/src
-// You can call it anything you like
-import Debugger from './util/debugger';
-let debug = new Debugger("primary-nav-tools");
 
 /**
  * Hide a primary navigation item by href
@@ -20,16 +16,12 @@ export function hide_primary(hrefs) {
     if(typeof hrefs === 'object' && Array.isArray(hrefs)){
         for(const ix in hrefs){
             const href = hrefs[ix];
-            debug.info("Hiding",href);
             let style = `
                 .primary-navigation li.nav-item > a[href*="${href}"] {
                     display: none;
                 }
             `;
-            debug.info("Adding style",style);
-
             sheet.insertRule(style, sheet.cssRules.length);
         }
     }
-    debug.info("stylesheet",sheet);
 }