diff --git a/src/DI/Helpers.php b/src/DI/Helpers.php
index 925302bc8..c65cfb6fc 100644
--- a/src/DI/Helpers.php
+++ b/src/DI/Helpers.php
@@ -82,25 +82,6 @@ public static function expand($var, array $params, $recursive = FALSE)
 
 
 
-	/**
-	 * Expand counterpart.
-	 * @param  mixed
-	 * @return mixed
-	 */
-	public static function escape($value)
-	{
-		if (is_array($value)) {
-			array_walk_recursive($value, function(&$val) {
-				$val = is_string($val) ? str_replace('%', '%%', $val) : $val;
-			});
-		} elseif (is_string($value)) {
-			$value = str_replace('%', '%%', $value);
-		}
-		return $value;
-	}
-
-
-
 	/**
 	 * Generates list of arguments using autowiring.
 	 * @param  Nette\Reflection\GlobalFunction|Nette\Reflection\Method
diff --git a/tests/DI/Helpers.escape().phpt b/tests/DI/Helpers.escape().phpt
deleted file mode 100644
index 4bb59e37d..000000000
--- a/tests/DI/Helpers.escape().phpt
+++ /dev/null
@@ -1,23 +0,0 @@
-<?php
-
-/**
- * Test: Nette\DI\Helpers::escape()
- *
- * @author     David Grudl
- * @package    Nette\DI
- */
-
-use Nette\DI\Helpers;
-
-
-
-require __DIR__ . '/../bootstrap.php';
-
-
-
-Assert::same( 123, Helpers::escape(123) );
-Assert::same( '%%', Helpers::escape('%') );
-Assert::same(
-	array('key1' => 123, 'key2' => '%%'),
-	Helpers::escape(array('key1' => 123, 'key2' => '%'))
-);