diff --git a/Robofile.php b/Robofile.php
deleted file mode 100644
index a6aa1e9..0000000
--- a/Robofile.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-require __DIR__ . '/vendor/autoload.php';
-
-use Codeception\Module\Yii2;
-use Codeception\Util\DocumentationHelpers;
-
-class RoboFile extends \Robo\Tasks
-{
-    use DocumentationHelpers;
-
-    public function buildDocs()
-    {
-        $className = Yii2::class;
-        $classPath = str_replace('\\', '/', $className);
-        $source = "https://github.com/Codeception/module-yii2/tree/master/src/$classPath.php";
-        $sourceMessage = '<p>&nbsp;</p><div class="alert alert-warning">Module reference is taken from the source code. <a href="' . $source . '">Help us to improve documentation. Edit module reference</a></div>';
-        $documentationFile = 'documentation.md';
-        $this->generateDocumentationForClass($className, $documentationFile, $sourceMessage);
-    }
-}
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 8a5922b..fc4f642 100644
--- a/composer.json
+++ b/composer.json
@@ -22,9 +22,6 @@
         "codeception/lib-innerbrowser": "^1.0",
         "codeception/codeception": "^4.0"
     },
-    "require-dev": {
-        "codeception/util-robohelpers": "dev-master"
-    },
     "autoload":{
         "classmap": ["src/"]
     },