diff --git a/cake/console/error.php b/cake/console/error.php
index a559af78549..9c88a40b8a9 100644
--- a/cake/console/error.php
+++ b/cake/console/error.php
@@ -136,7 +136,6 @@ function missingTable($params) {
  * @access public
  */
 	function missingDatabase($params = array()) {
-		extract($params, EXTR_OVERWRITE);
 		$this->stderr(__("Missing Database", true));
 		$this->_stop();
 	}
diff --git a/cake/libs/cache.php b/cake/libs/cache.php
index bcbfc0c4b0c..9f689d39158 100644
--- a/cake/libs/cache.php
+++ b/cake/libs/cache.php
@@ -213,8 +213,7 @@ function set($settings = array(), $value = null) {
 	function gc() {
 		$_this =& Cache::getInstance();
 		$config = $_this->config();
-		extract($config);
-		$_this->_Engine[$engine]->gc();
+		$_this->_Engine[$config['engine']]->gc();
 	}
 /**
  * Write data for key into cache
diff --git a/cake/libs/error.php b/cake/libs/error.php
index 88435a8beb6..ff2c613679e 100644
--- a/cake/libs/error.php
+++ b/cake/libs/error.php
@@ -230,8 +230,6 @@ function missingTable($params) {
  * @access public
  */
 	function missingDatabase($params = array()) {
-		extract($params, EXTR_OVERWRITE);
-
 		$this->controller->set(array(
 			'title' => __('Scaffold Missing Database Connection', true)
 		));