diff --git a/lib/cloudfunc.js b/lib/cloudfunc.js
index 60877338..5c0e02f0 100644
--- a/lib/cloudfunc.js
+++ b/lib/cloudfunc.js
@@ -3,15 +3,13 @@ var Util;
 (function(scope, Util) {
     'use strict';
     
-    var check, rendy;
+    var rendy;
     
     if (typeof module === 'object' && module.exports) {
-        check           = require('checkup');
         rendy           = require('rendy');
         
         module.exports  = new CloudFuncProto(Util);
     } else {
-        check           = Util.check;
         rendy           = Util.render;
         scope.CloudFunc = new CloudFuncProto(Util);
     }
@@ -91,8 +89,8 @@ var Util;
         this.rmLastSlash            = function(path) {
             var length, lastSlash, isEqual;
             
-            check(arguments, ['path'])
-                .type('path', path, 'string');
+            if (typeof path !== 'string')
+                throw(Error('path should be a string!'));
             
             length      = path.length - 1;
             lastSlash   = path.lastIndexOf('/');
@@ -124,7 +122,11 @@ var Util;
                 pathHTML    = '',
                 path        = '/';
             
-            check(arguments, ['url', 'template']);
+            if (!url)
+                throw(Error('url could not be empty!'));
+            
+            if (!template)
+                throw(Error('template could not be empty!'));
             
             namesRaw    = url.split('/')
                              .slice(1, -1),
diff --git a/package.json b/package.json
index 31aacbc0..5e5b6ae7 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,6 @@
   "subdomain": "cloudcmd",
   "dependencies": {
     "ashify": "~1.0.0",
-    "checkup": "~1.0.2",
     "console-io": "~2.1.0",
     "edward": "~1.1.0",
     "execon": "~1.1.0",