diff --git a/application/libs/helper.php b/application/libs/helper.php
deleted file mode 100644
index 3897934..0000000
--- a/application/libs/helper.php
+++ /dev/null
@@ -1,57 +0,0 @@
-<?php
-
-namespace Mini\Libs;
-
-class Helper
-{
-    /**
-     * debugPDO
-     *
-     * Shows the emulated SQL query in a PDO statement. What it does is just extremely simple, but powerful:
-     * It combines the raw query and the placeholders. For sure not really perfect (as PDO is more complex than just
-     * combining raw query and arguments), but it does the job.
-     *
-     * @author Panique
-     * @param string $raw_sql
-     * @param array $parameters
-     * @return string
-     */
-    static public function debugPDO($raw_sql, $parameters) {
-
-        $keys = array();
-        $values = $parameters;
-
-        foreach ($parameters as $key => $value) {
-
-            // check if named parameters (':param') or anonymous parameters ('?') are used
-            if (is_string($key)) {
-                $keys[] = '/' . $key . '/';
-            } else {
-                $keys[] = '/[?]/';
-            }
-
-            // bring parameter into human-readable format
-            if (is_string($value)) {
-                $values[$key] = "'" . $value . "'";
-            } elseif (is_array($value)) {
-                $values[$key] = implode(',', $value);
-            } elseif (is_null($value)) {
-                $values[$key] = 'NULL';
-            }
-        }
-
-        /*
-        echo "<br> [DEBUG] Keys:<pre>";
-        print_r($keys);
-
-        echo "\n[DEBUG] Values: ";
-        print_r($values);
-        echo "</pre>";
-        */
-
-        $raw_sql = preg_replace($keys, $values, $raw_sql, 1, $count);
-
-        return $raw_sql;
-    }
-
-}
diff --git a/public/index.php b/public/index.php
index b4cdbff..8d5feab 100644
--- a/public/index.php
+++ b/public/index.php
@@ -10,6 +10,8 @@
  * @license http://opensource.org/licenses/MIT MIT License
  */
 
+echo "TEST 4";
+
 /**
  * Now MINI work with namespaces + composer's autoloader (PSR-4)
  *