diff --git a/lib/Cake/Console/ShellDispatcher.php b/lib/Cake/Console/ShellDispatcher.php
index 09c17449e7a..6bbfb28a8a6 100644
--- a/lib/Cake/Console/ShellDispatcher.php
+++ b/lib/Cake/Console/ShellDispatcher.php
@@ -81,9 +81,6 @@ protected function _initConstants() {
 			ini_set('implicit_flush', true);
 			ini_set('max_execution_time', 0);
 		}
-		if (!defined('CAKEPHP_SHELL')) {
-			define('CAKEPHP_SHELL', true);
-		}
 	}
 
 /**