diff --git a/_cleanup.php b/_cleanup.php
index d7649bdc6..bc6e3cebe 100644
--- a/_cleanup.php
+++ b/_cleanup.php
@@ -16,11 +16,13 @@ if (php_sapi_name() !== 'cli') {
     exit;
 }
 
-// Get all constants
-require_once BB_PATH . '/library/defines.php';
+if (!function_exists('removeFile')) {
+    // Get all constants
+    require_once BB_PATH . '/library/defines.php';
 
-// Include CLI functions
-require INC_DIR . '/functions_cli.php';
+    // Include CLI functions
+    require INC_DIR . '/functions_cli.php';
+}
 
 $items = [
     '.github',
diff --git a/install.php b/install.php
index efd2a5969..c91e3f938 100644
--- a/install.php
+++ b/install.php
@@ -94,7 +94,7 @@ if (is_file(BB_ROOT . '.env')) {
         }
         // composer dir
         if (is_dir(BB_ROOT . 'vendor')) {
-            removeDir(BB_ROOT . 'vendor');
+            removeDir(BB_ROOT . 'vendor', true);
             if (!is_dir(BB_ROOT . 'vendor')) {
                 out("- Composer directory successfully removed!");
             } else {