Removing uses() it was deprecated in 1.3. Use App::import() instead.

app/webroot/css.php

@@ -25,9 +25,7 @@ if (!defined('CAKE_CORE_INCLUDE_PATH')) {
 /**
  * Ensure required classes are available.
  */
-if (!class_exists('File')) {
+App::import('Core', 'File');
-	uses('file');
-}
 
 /**
  * Make clean CSS

cake/basics.php

@@ -61,24 +61,6 @@
 		return true;
 	}
 
-/**
- * Loads component/components from LIBS. Takes optional number of parameters.
- *
- * Example:
- *
- * `uses('flay', 'time');`
- *
- * @param string $name Filename without the .php part
- * @deprecated Will be removed in 2.0
- * @link http://book.cakephp.org/view/1140/uses
- */
-	function uses() {
-		$args = func_get_args();
-		foreach ($args as $file) {
-			require_once(LIBS . strtolower($file) . '.php');
-		}
-	}
-
 /**
  * Prints out debug information about given variable.
  *

cake/tests/cases/basics.test.php

@@ -167,25 +167,6 @@ class BasicsTest extends CakeTestCase {
 		$_ENV = $__ENV;
 	}
 
-/**
- * test uses()
- *
- * @return void
- * @access public
- * @deprecated
- */
-	function testUses() {
-		$this->skipIf(class_exists('Security') || class_exists('Sanitize'), '%s Security and/or Sanitize class already loaded');
-
-		$this->assertFalse(class_exists('Security'));
-		$this->assertFalse(class_exists('Sanitize'));
-
-		uses('Security', 'Sanitize');
-
-		$this->assertTrue(class_exists('Security'));
-		$this->assertTrue(class_exists('Sanitize'));
-	}
-
 /**
  * Test h()
  *