diff --git a/tests/UnitTests/SmartyMethodsTests/RegisterFunction/RegisterFunctionTest.php b/tests/UnitTests/SmartyMethodsTests/RegisterFunction/RegisterFunctionTest.php
index 19779e77..a83caf71 100644
--- a/tests/UnitTests/SmartyMethodsTests/RegisterFunction/RegisterFunctionTest.php
+++ b/tests/UnitTests/SmartyMethodsTests/RegisterFunction/RegisterFunctionTest.php
@@ -38,17 +38,6 @@ class RegisterFunctionTest extends PHPUnit_Smarty
         $this->assertEquals('hello world 1', $this->smarty->fetch('string:{testfunction value=1}'));
     }
 
-    /**
-     * test wrapper for register_function method
-     */
-    public function testRegisterFunctionWrapper()
-    {
-        $this->smarty->register_function('testfunction', 'myfunction');
-        $this->assertEquals('myfunction',
-                            $this->smarty->registered_plugins[ Smarty::PLUGIN_FUNCTION ][ 'testfunction' ][ 0 ]);
-        $this->assertEquals('hello world 12', $this->smarty->fetch('string:{testfunction value=12}'));
-    }
-
     /**
      * test SmartyBC for register_function method
      */
@@ -70,15 +59,6 @@ class RegisterFunctionTest extends PHPUnit_Smarty
         $this->assertEquals('hello world 2', $this->smarty->fetch('string:{testfunction value=2}'));
     }
 
-    /**
-     * test register_function wrapper method for function plugin by class
-     */
-    public function testRegisterFunctionClassWrapper()
-    {
-        $this->smarty->register_function('testfunction', array('myfunctionclass', 'execute'));
-        $this->assertEquals('hello world 12', $this->smarty->fetch('string:{testfunction value=12}'));
-    }
-
     /**
      * test register_function SmartyBC method for function plugin by class
      */
@@ -98,16 +78,6 @@ class RegisterFunctionTest extends PHPUnit_Smarty
         $this->assertEquals('hello world 3', $this->smarty->fetch('string:{testfunction value=3}'));
     }
 
-    /**
-     * test register_function wrapper method for function plugin by object
-     */
-    public function testRegisterFunctionObjectWrapper()
-    {
-        $myfunction_object = new myfunctionclass;
-        $this->smarty->register_function('testfunction', array($myfunction_object, 'execute'));
-        $this->assertEquals('hello world 13', $this->smarty->fetch('string:{testfunction value=13}'));
-    }
-
     /**
      * test register_function SmartyBC method for function plugin by object
      */
@@ -222,16 +192,6 @@ class RegisterFunctionTest extends PHPUnit_Smarty
         $this->assertFalse(isset($this->smarty->registered_plugins[ Smarty::PLUGIN_FUNCTION ][ 'testfunction' ]));
     }
 
-    /**
-     * test unregister_function method
-     */
-    public function testUnregisterFunctionWrapper()
-    {
-        $this->smarty->register_function('testfunction', 'myfunction');
-        $this->smarty->unregister_function('testfunction');
-        $this->assertFalse(isset($this->smarty->registered_plugins[ Smarty::PLUGIN_FUNCTION ][ 'testfunction' ]));
-    }
-
     public function testUnregisterFunctionSmartyBC()
     {
         $this->smartyBC->register_function('testfunction', 'myfunction');