diff --git a/lib/Cake/Core/Configure.php b/lib/Cake/Core/Configure.php
index c778fc0be..88eedfd51 100644
--- a/lib/Cake/Core/Configure.php
+++ b/lib/Cake/Core/Configure.php
@@ -179,7 +179,7 @@ class Configure {
  * Configure::read('Name.key'); will return only the value of Configure::Name[key]
  * }}}
  *
- * @param string $var Variable to obtain. Use '.' to access array elements.
+ * @param string|null $var Variable to obtain. Use '.' to access array elements.
  * @return mixed value stored in configure, or null.
  * @link http://book.cakephp.org/2.0/en/development/configuration.html#Configure::read
  */
@@ -220,7 +220,7 @@ class Configure {
  * @param string $var Variable name to check for
  * @return bool True if variable is there
  */
-	public static function check($var = null) {
+	public static function check($var) {
 		if (empty($var)) {
 			return false;
 		}
@@ -240,7 +240,7 @@ class Configure {
  * @return void
  * @link http://book.cakephp.org/2.0/en/development/configuration.html#Configure::delete
  */
-	public static function delete($var = null) {
+	public static function delete($var) {
 		self::$_values = Hash::remove(self::$_values, $var);
 	}
 
@@ -265,7 +265,7 @@ class Configure {
 /**
  * Gets the names of the configured reader objects.
  *
- * @param string $name Name to check. If null returns all configured reader names.
+ * @param string|null $name Name to check. If null returns all configured reader names.
  * @return array Array of the configured reader objects.
  */
 	public static function configured($name = null) {
@@ -443,7 +443,7 @@ class Configure {
 /**
  * Clear all values stored in Configure.
  *
- * @return bool success.
+ * @return bool Success.
  */
 	public static function clear() {
 		self::$_values = array();
diff --git a/lib/Cake/Test/Case/Core/ConfigureTest.php b/lib/Cake/Test/Case/Core/ConfigureTest.php
index 435e6b310..d8837b948 100644
--- a/lib/Cake/Test/Case/Core/ConfigureTest.php
+++ b/lib/Cake/Test/Case/Core/ConfigureTest.php
@@ -168,6 +168,19 @@ class ConfigureTest extends CakeTestCase {
 		$this->assertEquals($expected, $result);
 	}
 
+	/**
+	 * testConsumeEmpty
+	 *
+	 * @return void
+	 */
+	public function testConsumeEmpty() {
+		Configure::write('Test', array('key' => 'value', 'key2' => 'value2'));
+		$result = Configure::consume('');
+		$this->assertNull($result);
+		$result = Configure::consume(null);
+		$this->assertNull($result);
+	}
+
 /**
  * test setting display_errors with debug.
  *
@@ -195,7 +208,7 @@ class ConfigureTest extends CakeTestCase {
 
 		Configure::delete('SomeName.someKey');
 		$result = Configure::read('SomeName.someKey');
-		$this->assertTrue($result === null);
+		$this->assertNull($result);
 
 		Configure::write('SomeName', array('someKey' => 'myvalue', 'otherKey' => 'otherValue'));
 
@@ -208,10 +221,10 @@ class ConfigureTest extends CakeTestCase {
 		Configure::delete('SomeName');
 
 		$result = Configure::read('SomeName.someKey');
-		$this->assertTrue($result === null);
+		$this->assertNull($result);
 
 		$result = Configure::read('SomeName.otherKey');
-		$this->assertTrue($result === null);
+		$this->assertNull($result);
 	}
 
 /**
@@ -265,7 +278,8 @@ class ConfigureTest extends CakeTestCase {
  * @return void
  */
 	public function testCheckEmpty() {
-		$this->assertFalse(Configure::check());
+		$this->assertFalse(Configure::check(''));
+		$this->assertFalse(Configure::check(null));
 	}
 
 /**