diff --git a/src/ParseTree/Base.php b/src/ParseTree/Base.php
index 247271aa..e1140c15 100644
--- a/src/ParseTree/Base.php
+++ b/src/ParseTree/Base.php
@@ -42,12 +42,4 @@ abstract class Base
      */
     abstract public function to_smarty_php(\Smarty\Parser\TemplateParser $parser);
 
-    /**
-     * Template data object destructor
-     */
-    public function __destruct()
-    {
-        $this->data = null;
-        $this->subtrees = null;
-    }
 }
diff --git a/src/UndefinedVariable.php b/src/UndefinedVariable.php
index ca728bef..53f13f41 100644
--- a/src/UndefinedVariable.php
+++ b/src/UndefinedVariable.php
@@ -5,23 +5,9 @@ namespace Smarty;
 /**
  * class for undefined variable object
  * This class defines an object for undefined variable handling
- *
-
-
  */
 class UndefinedVariable extends Variable {
 
-	/**
-	 * Returns null for not existing properties
-	 *
-	 * @param string $name
-	 *
-	 * @return null
-	 */
-	public function __get($name) {
-		return null;
-	}
-
 	/**
 	 * Always returns an empty string.
 	 *
diff --git a/tests/UnitTests/CacheResourceTests/_shared/PHPunitplugins/cacheresource.apctest.php b/tests/UnitTests/CacheResourceTests/_shared/PHPunitplugins/cacheresource.apctest.php
index 44696d32..38b061dc 100644
--- a/tests/UnitTests/CacheResourceTests/_shared/PHPunitplugins/cacheresource.apctest.php
+++ b/tests/UnitTests/CacheResourceTests/_shared/PHPunitplugins/cacheresource.apctest.php
@@ -30,13 +30,4 @@ class Smarty_CacheResource_Apctest extends Smarty_CacheResource_Apc
         return $t ? $t : null;
     }
 
-    public function __sleep()
-    {
-        return array();
-    }
-
-    public function __wakeup()
-    {
-        $this->__construct();
-    }
 }
diff --git a/tests/UnitTests/CacheResourceTests/_shared/PHPunitplugins/cacheresource.memcachetest.php b/tests/UnitTests/CacheResourceTests/_shared/PHPunitplugins/cacheresource.memcachetest.php
index 7bf69928..77f9d5f9 100644
--- a/tests/UnitTests/CacheResourceTests/_shared/PHPunitplugins/cacheresource.memcachetest.php
+++ b/tests/UnitTests/CacheResourceTests/_shared/PHPunitplugins/cacheresource.memcachetest.php
@@ -29,13 +29,4 @@ class Smarty_CacheResource_Memcachetest extends Smarty_CacheResource_Memcache
         return $t ? $t : null;
     }
 
-    public function __sleep()
-    {
-        return array();
-    }
-
-    public function __wakeup()
-    {
-        $this->__construct();
-    }
 }