diff --git a/change_log.txt b/change_log.txt
index 0ab106f7..b47ea29b 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -9,6 +9,7 @@
   - remove not really needed properties
   - optimize rendering
   - move caching to Smarty::_cache
+  - remove properties with redundant content
 
  06.08.2015
   - avoid possible circular object references caused by parser/lexer objects
diff --git a/libs/sysplugins/smarty_internal_compile_include.php b/libs/sysplugins/smarty_internal_compile_include.php
index 8114a0ff..4bdaaed4 100644
--- a/libs/sysplugins/smarty_internal_compile_include.php
+++ b/libs/sysplugins/smarty_internal_compile_include.php
@@ -119,7 +119,7 @@ class Smarty_Internal_Compile_Include extends Smarty_Internal_CompileBase
         // flag if included template code should be merged into caller
         $merge_compiled_includes = ($compiler->smarty->merge_compiled_includes ||
                 ($compiler->inheritance && $compiler->smarty->inheritance_merge_compiled_includes) ||
-                $_attr['inline'] === true) && !$compiler->template->source->recompiled;
+                $_attr['inline'] === true) && !$compiler->template->source->handler->recompiled;
 
         if ($merge_compiled_includes && $_attr['inline'] !== true) {
             // variable template name ?
@@ -215,7 +215,7 @@ class Smarty_Internal_Compile_Include extends Smarty_Internal_CompileBase
             if (!isset($compiler->parent_compiler->mergedSubTemplatesData[$tpl_name][$uid])) {
                 $compiler->smarty->allow_ambiguous_resources = true;
                 $tpl = new $compiler->smarty->template_class ($tpl_name, $compiler->smarty, $compiler->template, $compiler->template->cache_id, $c_id, $_caching);
-                if (!($tpl->source->uncompiled) && $tpl->source->exists) {
+                if (!($tpl->source->handler->uncompiled) && $tpl->source->exists) {
                     $tpl->compiled = new Smarty_Template_Compiled();
                     $tpl->compiled->nocache_hash = $compiler->parent_compiler->template->compiled->nocache_hash;
                     $tpl->loadCompiler();
diff --git a/libs/sysplugins/smarty_internal_method_mustcompile.php b/libs/sysplugins/smarty_internal_method_mustcompile.php
index c0922e4e..7766a75e 100644
--- a/libs/sysplugins/smarty_internal_method_mustcompile.php
+++ b/libs/sysplugins/smarty_internal_method_mustcompile.php
@@ -31,7 +31,7 @@ class Smarty_Internal_Method_MustCompile
     public function mustCompile(Smarty_Internal_Template $_template)
     {
         if (!$_template->source->exists) {
-            if ($_template->parent instanceof Smarty_Internal_Template) {
+            if ($_template->parent->_objType == 2) {
                 $parent_resource = " in '$_template->parent->template_resource}'";
             } else {
                 $parent_resource = '';
@@ -39,8 +39,8 @@ class Smarty_Internal_Method_MustCompile
             throw new SmartyException("Unable to load template {$_template->source->type} '{$_template->source->name}'{$parent_resource}");
         }
         if ($_template->mustCompile === null) {
-            $_template->mustCompile = (!$_template->source->uncompiled &&
-                ($_template->smarty->force_compile || $_template->source->recompiled || !$_template->compiled->exists ||
+            $_template->mustCompile = (!$_template->source->handler->uncompiled &&
+                ($_template->smarty->force_compile || $_template->source->handler->recompiled || !$_template->compiled->exists ||
                     ($_template->smarty->compile_check && $_template->compiled->getTimeStamp() < $_template->source->getTimeStamp())));
         }
 
diff --git a/libs/sysplugins/smarty_internal_method_registerdefaulttemplatehandler.php b/libs/sysplugins/smarty_internal_method_registerdefaulttemplatehandler.php
index cbb6b1f7..40979e7a 100644
--- a/libs/sysplugins/smarty_internal_method_registerdefaulttemplatehandler.php
+++ b/libs/sysplugins/smarty_internal_method_registerdefaulttemplatehandler.php
@@ -65,7 +65,7 @@ class Smarty_Internal_Method_RegisterDefaultTemplateHandler
             $source->content = $_content;
             $source->timestamp = $_timestamp;
             $source->exists = true;
-            $source->recompiled = true;
+            $source->handler->recompiled = true;
             $source->filepath = false;
         }
     }
diff --git a/libs/sysplugins/smarty_internal_template.php b/libs/sysplugins/smarty_internal_template.php
index 423ac67a..39b8d868 100644
--- a/libs/sysplugins/smarty_internal_template.php
+++ b/libs/sysplugins/smarty_internal_template.php
@@ -228,7 +228,7 @@ class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
             }
         }
         $content = null;
-        if ((!$this->caching || $this->cached->has_nocache_code || $this->source->recompiled) && !$no_output_filter &&
+        if ((!$this->caching || $this->cached->has_nocache_code || $this->source->handler->recompiled) && !$no_output_filter &&
             (isset($this->smarty->autoload_filters['output']) || isset($this->smarty->registered_filters['output']))
         ) {
             $content = Smarty_Internal_Filter_Handler::runFilter('output', ob_get_clean(), $this);
@@ -390,9 +390,9 @@ class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
         $_templateId = $this->smarty->_getTemplateId($template, $cache_id, $compile_id);
         // already in template cache?
         /* @var Smarty_Internal_Template $tpl */
-        if (isset($this->smarty->template_objects[$_templateId])) {
+        if (isset($this->smarty->_cache['template_objects'][$_templateId])) {
             // clone cached template object because of possible recursive call
-            $tpl = clone $this->smarty->template_objects[$_templateId];
+            $tpl = clone $this->smarty->_cache['template_objects'][$_templateId];
             $tpl->parent = $this;
             if ((bool) $tpl->caching !== (bool) $caching) {
                 unset($tpl->compiled);
@@ -752,10 +752,10 @@ class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
      */
     public function loadCompiler()
     {
-        if (!class_exists($this->source->compiler_class)) {
-            $this->smarty->loadPlugin($this->source->compiler_class);
+        if (!class_exists($this->source->handler->compiler_class)) {
+            $this->smarty->loadPlugin($this->source->handler->compiler_class);
         }
-        $this->compiler = new $this->source->compiler_class($this->source->template_lexer_class, $this->source->template_parser_class, $this->smarty);
+        $this->compiler = new $this->source->handler->compiler_class($this->source->handler->template_lexer_class, $this->source->handler->template_parser_class, $this->smarty);
     }
 
     /**
diff --git a/libs/sysplugins/smarty_template_cached.php b/libs/sysplugins/smarty_template_cached.php
index 38e30653..945af42c 100644
--- a/libs/sysplugins/smarty_template_cached.php
+++ b/libs/sysplugins/smarty_template_cached.php
@@ -99,7 +99,7 @@ class Smarty_Template_Cached extends Smarty_Template_Resource_Base
         $_template->cached->handler->populate($_template->cached, $_template);
         // caching enabled ?
         if (!($_template->caching == Smarty::CACHING_LIFETIME_CURRENT ||
-                $_template->caching == Smarty::CACHING_LIFETIME_SAVED) || $_template->source->recompiled
+                $_template->caching == Smarty::CACHING_LIFETIME_SAVED) || $_template->source->handler->recompiled
         ) {
             $_template->cached->valid = false;
         }
@@ -265,7 +265,7 @@ class Smarty_Template_Cached extends Smarty_Template_Resource_Base
      */
     public function write(Smarty_Internal_Template $_template, $content)
     {
-        if (!$_template->source->recompiled) {
+        if (!$_template->source->handler->recompiled) {
             if ($this->handler->writeCachedContent($_template, $content)) {
                 $this->content = null;
                 $this->timestamp = time();
@@ -298,7 +298,7 @@ class Smarty_Template_Cached extends Smarty_Template_Resource_Base
      */
     public function read(Smarty_Internal_Template $_template)
     {
-        if (!$_template->source->recompiled) {
+        if (!$_template->source->handler->recompiled) {
             return $this->handler->readCachedContent($_template);
         }
         return false;
@@ -359,7 +359,7 @@ class Smarty_Template_Cached extends Smarty_Template_Resource_Base
      */
     public function writeCachedContent(Smarty_Internal_Template $_template, $content)
     {
-        if ($_template->source->recompiled || !($_template->caching == Smarty::CACHING_LIFETIME_CURRENT ||
+        if ($_template->source->handler->recompiled || !($_template->caching == Smarty::CACHING_LIFETIME_CURRENT ||
                 $_template->caching == Smarty::CACHING_LIFETIME_SAVED)
         ) {
             // don't write cache file
diff --git a/libs/sysplugins/smarty_template_compiled.php b/libs/sysplugins/smarty_template_compiled.php
index 74e5a28b..f56190d8 100644
--- a/libs/sysplugins/smarty_template_compiled.php
+++ b/libs/sysplugins/smarty_template_compiled.php
@@ -36,7 +36,7 @@ class Smarty_Template_Compiled extends Smarty_Template_Resource_Base
     static function load($_template)
     {
         // check runtime cache
-        if (!$_template->source->recompiled && ($_template->smarty->resource_cache_mode & Smarty::RESOURCE_CACHE_ON)) {
+        if (!$_template->source->handler->recompiled && ($_template->smarty->resource_cache_mode & Smarty::RESOURCE_CACHE_ON)) {
             $_cache_key = $_template->source->unique_resource . '#';
             if ($_template->caching) {
                 $_cache_key .= 'caching#';
@@ -53,7 +53,7 @@ class Smarty_Template_Compiled extends Smarty_Template_Resource_Base
             $compiled->populateCompiledFilepath($_template);
         }
         // runtime cache
-        if (!$_template->source->recompiled && ($_template->smarty->resource_cache_mode & Smarty::RESOURCE_CACHE_ON)) {
+        if (!$_template->source->handler->recompiled && ($_template->smarty->resource_cache_mode & Smarty::RESOURCE_CACHE_ON)) {
             $_template->source->compileds[$_cache_key] = $compiled;
         }
         return $compiled;
@@ -119,14 +119,14 @@ class Smarty_Template_Compiled extends Smarty_Template_Resource_Base
     public function process(Smarty_Internal_Template $_template)
     {
         $_smarty_tpl = $_template;
-        if ($_template->source->recompiled || !$_template->compiled->exists || $_template->smarty->force_compile ||
+        if ($_template->source->handler->recompiled || !$_template->compiled->exists || $_template->smarty->force_compile ||
             ($_template->smarty->compile_check &&
                 $_template->source->getTimeStamp() > $_template->compiled->getTimeStamp())
         ) {
             $this->compileTemplateSource($_template);
             $compileCheck = $_template->smarty->compile_check;
             $_template->smarty->compile_check = false;
-            if ($_template->source->recompiled) {
+            if ($_template->source->handler->recompiled) {
                 $level = ob_get_level();
                 ob_start();
                 try {
@@ -236,7 +236,7 @@ class Smarty_Template_Compiled extends Smarty_Template_Resource_Base
         $this->nocache_hash = null;
         $this->unifunc = null;
         // compile locking
-        if (!$_template->source->recompiled) {
+        if (!$_template->source->handler->recompiled) {
             if ($saved_timestamp = $_template->compiled->getTimeStamp()) {
                 touch($_template->compiled->filepath);
             }
@@ -248,7 +248,7 @@ class Smarty_Template_Compiled extends Smarty_Template_Resource_Base
         }
         catch (Exception $e) {
             // restore old timestamp in case of error
-            if (!$_template->source->recompiled && $saved_timestamp) {
+            if (!$_template->source->handler->recompiled && $saved_timestamp) {
                 touch($_template->compiled->filepath, $saved_timestamp);
             }
             throw $e;
@@ -274,7 +274,7 @@ class Smarty_Template_Compiled extends Smarty_Template_Resource_Base
      */
     public function write(Smarty_Internal_Template $_template, $code)
     {
-        if (!$_template->source->recompiled) {
+        if (!$_template->source->handler->recompiled) {
             $obj = new Smarty_Internal_Write_File();
             if ($obj->writeFile($this->filepath, $code, $_template->smarty) === true) {
                 $this->timestamp = $this->exists = is_file($this->filepath);
@@ -301,7 +301,7 @@ class Smarty_Template_Compiled extends Smarty_Template_Resource_Base
      */
     public function read(Smarty_Internal_Template $_template)
     {
-        if (!$_template->source->recompiled) {
+        if (!$_template->source->handler->recompiled) {
             return file_get_contents($this->filepath);
         }
         return isset($this->content) ? $this->content : false;
diff --git a/libs/sysplugins/smarty_template_config.php b/libs/sysplugins/smarty_template_config.php
index 73ef7c18..f0fff508 100644
--- a/libs/sysplugins/smarty_template_config.php
+++ b/libs/sysplugins/smarty_template_config.php
@@ -18,27 +18,6 @@
  */
 class Smarty_Template_Config extends Smarty_Template_Source
 {
-    /**
-     * Name of the Class to compile this resource's contents with
-     *
-     * @var string
-     */
-    public $compiler_class = 'Smarty_Internal_Config_File_Compiler';
-
-    /**
-     * Name of the Class to tokenize this resource's contents with
-     *
-     * @var string
-     */
-    public $template_lexer_class = 'Smarty_Internal_Configfilelexer';
-
-    /**
-     * Name of the Class to parse this resource's contents with
-     *
-     * @var string
-     */
-    public $template_parser_class = 'Smarty_Internal_Configfileparser';
-
     /**
      * array of section names, single section or null
      *
@@ -71,7 +50,11 @@ class Smarty_Template_Config extends Smarty_Template_Source
      */
     public function __construct(Smarty_Resource $handler, Smarty $smarty, $resource, $type, $name)
     {
-        $this->handler = $handler; // Note: prone to circular references
+        // must clone handler as we change class names
+        $this->handler = clone $handler; // Note: prone to circular references
+        $this->handler->compiler_class = 'Smarty_Internal_Config_File_Compiler';
+        $this->handler->template_lexer_class = 'Smarty_Internal_Configfilelexer';
+        $this->handler->template_parser_class = 'Smarty_Internal_Configfileparser';
         $this->resource = $resource;
         $this->type = $type;
         $this->name = $name;
diff --git a/libs/sysplugins/smarty_template_source.php b/libs/sysplugins/smarty_template_source.php
index f70dd256..833ce118 100644
--- a/libs/sysplugins/smarty_template_source.php
+++ b/libs/sysplugins/smarty_template_source.php
@@ -11,27 +11,6 @@
  */
 class Smarty_Template_Source
 {
-    /**
-     * Name of the Class to compile this resource's contents with
-     *
-     * @var string
-     */
-    public $compiler_class = null;
-
-    /**
-     * Name of the Class to tokenize this resource's contents with
-     *
-     * @var string
-     */
-    public $template_lexer_class = null;
-
-    /**
-     * Name of the Class to parse this resource's contents with
-     *
-     * @var string
-     */
-    public $template_parser_class = null;
-
     /**
      * Unique Template ID
      *
@@ -123,20 +102,6 @@ class Smarty_Template_Source
      */
     public $isConfig = false;
 
-    /**
-     * Source is bypassing compiler
-     *
-     * @var boolean
-     */
-    public $uncompiled = false;
-
-    /**
-     * Source must be recompiled on every occasion
-     *
-     * @var boolean
-     */
-    public $recompiled = false;
-
     /**
      * cache for Smarty_Template_Compiled instances
      *
@@ -165,13 +130,6 @@ class Smarty_Template_Source
     public function __construct(Smarty_Resource $handler, Smarty $smarty, $resource, $type, $name)
     {
         $this->handler = $handler; // Note: prone to circular references
-
-        $this->recompiled = $handler->recompiled;
-        $this->uncompiled = $handler->uncompiled;
-        $this->compiler_class = $handler->compiler_class;
-        $this->template_lexer_class = $handler->template_lexer_class;
-        $this->template_parser_class = $handler->template_parser_class;
-
         $this->smarty = $smarty;
         $this->resource = $resource;
         $this->type = $type;