diff --git a/Application/Core/TinyMCE/Configuration.php b/Application/Core/TinyMCE/Configuration.php
index 9aa4ccf..0b0bdbc 100644
--- a/Application/Core/TinyMCE/Configuration.php
+++ b/Application/Core/TinyMCE/Configuration.php
@@ -85,8 +85,10 @@ class Configuration
         $this->options[$optionInstance->getKey()] = $option;
     }
 
-    public function getConfig()
+    public function getConfig(): string
     {
+        $sConfig = '';
+
         foreach ($this->options as $param => $value) {
             $sConfig .= "$param: $value, ";
         }
diff --git a/Application/Core/TinyMCE/Loader.php b/Application/Core/TinyMCE/Loader.php
index fb594c2..26b0731 100644
--- a/Application/Core/TinyMCE/Loader.php
+++ b/Application/Core/TinyMCE/Loader.php
@@ -25,6 +25,7 @@ namespace O3\TinyMCE\Application\Core\TinyMCE;
 
 use OxidEsales\Eshop\Application\Model\Content;
 use OxidEsales\Eshop\Core\Config;
+use OxidEsales\Eshop\Core\Exception\FileException;
 use OxidEsales\Eshop\Core\Language;
 use OxidEsales\Eshop\Core\Model\BaseModel;
 use OxidEsales\Eshop\Core\Registry;
@@ -42,6 +43,7 @@ class Loader
 
     /**
      * @return string
+     * @throws FileException
      */
     public function getEditorCode(): string
     {
@@ -74,7 +76,7 @@ class Loader
      */
     protected function contentIsPlain(): bool
     {
-        /** @var BaseModel $oEditObject */
+        /** @var BaseModel|Content $oEditObject */
         $oEditObject = $this->getShopConfig()->getActiveView()->getViewDataElement( "edit" );
         return $oEditObject instanceof Content && $oEditObject->isPlain();
     }
@@ -109,7 +111,6 @@ class Loader
             $configuration->getConfig(),
             file_get_contents(__DIR__.'/../../../out/scripts/init.js')
         );
-dumpvar($sInit.PHP_EOL, 1);
         $smarty = Registry::getUtilsView()->getSmarty();
         $sSufix = ($smarty->_tpl_vars["__oxid_include_dynamic"]) ? '_dynamic' : '';
 
@@ -123,7 +124,7 @@ dumpvar($sInit.PHP_EOL, 1);
 
     /**
      * @return void
-     * @throws \oxFileException
+     * @throws FileException
      */
     protected function registerIncludes(): void
     {
diff --git a/Application/Core/TinyMCE/Options/ExternalPlugins.php b/Application/Core/TinyMCE/Options/ExternalPlugins.php
index 293200c..fa1563e 100644
--- a/Application/Core/TinyMCE/Options/ExternalPlugins.php
+++ b/Application/Core/TinyMCE/Options/ExternalPlugins.php
@@ -51,13 +51,5 @@ class ExternalPlugins extends AbstractOption
         );
 
         return '{ '.$list.' }';
-
-        // plugins for newsletter emails
-        if ( $this->getActiveClassName() === "newsletter_main" ) {
-            $aPlugins["legacyoutput"] = "";
-            $aPlugins["fullpage"]     = "fullpage";
-        }
-
-        return 350;
     }
 }
\ No newline at end of file
diff --git a/Application/Core/TinyMCE/Options/Language.php b/Application/Core/TinyMCE/Options/Language.php
index ab90eea..905a467 100644
--- a/Application/Core/TinyMCE/Options/Language.php
+++ b/Application/Core/TinyMCE/Options/Language.php
@@ -46,9 +46,7 @@ class Language extends AbstractOption
             "nl" => "nl",
             "ru" => "ru"
         );
-        $sLang = $aLang[ $oLang->getLanguageAbbr( $oLang->getTplLanguage() ) ] ?? "en";
-
-        return $sLang;
+        return $aLang[ $oLang->getLanguageAbbr( $oLang->getTplLanguage() ) ] ?? "en";
     }
 
     public function mustQuote(): bool
diff --git a/Application/Core/TinyMCE/Options/Promotion.php b/Application/Core/TinyMCE/Options/Promotion.php
index b24c87a..2e27455 100644
--- a/Application/Core/TinyMCE/Options/Promotion.php
+++ b/Application/Core/TinyMCE/Options/Promotion.php
@@ -23,8 +23,6 @@ declare(strict_types=1);
 
 namespace O3\TinyMCE\Application\Core\TinyMCE\Options;
 
-use OxidEsales\Eshop\Core\Registry;
-
 class Promotion extends AbstractOption
 {
     protected string $key = 'promotion';
diff --git a/Application/Core/TinyMCE/Options/QuickbarsInsertToolbar.php b/Application/Core/TinyMCE/Options/QuickbarsInsertToolbar.php
index f020fab..5489b2b 100644
--- a/Application/Core/TinyMCE/Options/QuickbarsInsertToolbar.php
+++ b/Application/Core/TinyMCE/Options/QuickbarsInsertToolbar.php
@@ -26,7 +26,6 @@ namespace O3\TinyMCE\Application\Core\TinyMCE\Options;
 use O3\TinyMCE\Application\Core\TinyMCE\PluginList;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\PluginInterface;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Quickbars;
-use O3\TinyMCE\Application\Core\TinyMCE\Utils;
 
 class QuickbarsInsertToolbar extends AbstractOption
 {
@@ -67,4 +66,4 @@ class QuickbarsInsertToolbar extends AbstractOption
             )
         );
     }
-}
\ No newline at end of file
+}
diff --git a/Application/Core/TinyMCE/Options/Selector.php b/Application/Core/TinyMCE/Options/Selector.php
index 6d97839..ce0ee5c 100644
--- a/Application/Core/TinyMCE/Options/Selector.php
+++ b/Application/Core/TinyMCE/Options/Selector.php
@@ -23,8 +23,6 @@ declare(strict_types=1);
 
 namespace O3\TinyMCE\Application\Core\TinyMCE\Options;
 
-use O3\TinyMCE\Application\Core\TinyMCE\Loader;
-
 class Selector extends AbstractOption
 {
     protected string $key = 'selector';
@@ -33,4 +31,4 @@ class Selector extends AbstractOption
     {
         return '"textarea:not(.mceNoEditor)"';
     }
-}
\ No newline at end of file
+}
diff --git a/Application/Core/TinyMCE/Options/Skin.php b/Application/Core/TinyMCE/Options/Skin.php
index fbcc7db..5ac3d44 100644
--- a/Application/Core/TinyMCE/Options/Skin.php
+++ b/Application/Core/TinyMCE/Options/Skin.php
@@ -24,8 +24,6 @@ declare(strict_types=1);
 namespace O3\TinyMCE\Application\Core\TinyMCE\Options;
 
 use O3\TinyMCE\Application\Core\TinyMCE\Loader;
-use OxidEsales\Eshop\Core\Registry;
-use OxidEsales\Eshop\Core\UtilsServer;
 
 class Skin extends AbstractOption
 {
@@ -44,4 +42,4 @@ class Skin extends AbstractOption
     {
         return true;
     }
-}
\ No newline at end of file
+}
diff --git a/Application/Core/TinyMCE/Options/Toolbar.php b/Application/Core/TinyMCE/Options/Toolbar.php
index 203e21b..79265d4 100644
--- a/Application/Core/TinyMCE/Options/Toolbar.php
+++ b/Application/Core/TinyMCE/Options/Toolbar.php
@@ -48,7 +48,7 @@ class Toolbar extends AbstractOption
             $this->getMultiLineToolbar($toolbarList);
     }
 
-    protected function getSingleLineToolbar($toolbarList)
+    protected function getSingleLineToolbar($toolbarList): string
     {
         $all = [];
 
@@ -90,7 +90,7 @@ class Toolbar extends AbstractOption
         return $toolbarElements . ' | ' . $pluginToolbarElements;
     }
 
-    protected function getMultiLineToolbar($toolbarList)
+    protected function getMultiLineToolbar($toolbarList): string
     {
         $list = [];
 
@@ -112,7 +112,7 @@ class Toolbar extends AbstractOption
         }
 
         $pluginList = oxNew(PluginList::class);
-        $list[] = $pluginToolbarElements = implode(
+        $list[] = implode(
             ' | ',
             array_filter(
                 array_map(
diff --git a/Application/Core/TinyMCE/PluginList.php b/Application/Core/TinyMCE/PluginList.php
index 49287db..368385a 100644
--- a/Application/Core/TinyMCE/PluginList.php
+++ b/Application/Core/TinyMCE/PluginList.php
@@ -30,7 +30,6 @@ use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Charmap;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Code;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\FullPage;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\FullScreen;
-use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Hr;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Image;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Legacyoutput;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Link;
@@ -38,7 +37,6 @@ use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Lists;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Media;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Nonbreaking;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Pagebreak;
-use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Paste;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Preview;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Quickbars;
 use O3\TinyMCE\Application\Core\TinyMCE\Plugins\Roxy;
@@ -75,4 +73,4 @@ class PluginList
             'roxy'          => oxNew(Roxy::class),
         ];
     }
-}
\ No newline at end of file
+}
diff --git a/Application/Core/TinyMCE/Plugins/FullScreen.php b/Application/Core/TinyMCE/Plugins/FullScreen.php
index ed36544..e33ea34 100644
--- a/Application/Core/TinyMCE/Plugins/FullScreen.php
+++ b/Application/Core/TinyMCE/Plugins/FullScreen.php
@@ -23,6 +23,7 @@ declare(strict_types=1);
 
 namespace O3\TinyMCE\Application\Core\TinyMCE\Plugins;
 
+use OxidEsales\Eshop\Core\Exception\FileException;
 use OxidEsales\Eshop\Core\Registry;
 
 class FullScreen extends AbstractPlugin
@@ -39,6 +40,10 @@ class FullScreen extends AbstractPlugin
         ];
     }
 
+    /**
+     * @return string|null
+     * @throws FileException
+     */
     public function getScriptPath(): ?string
     {
         return Registry::getConfig()->getActiveView()->getViewConfig()->getModuleUrl(
diff --git a/Application/Core/TinyMCE/Plugins/Roxy.php b/Application/Core/TinyMCE/Plugins/Roxy.php
index 66110fc..397f1a4 100644
--- a/Application/Core/TinyMCE/Plugins/Roxy.php
+++ b/Application/Core/TinyMCE/Plugins/Roxy.php
@@ -23,6 +23,7 @@ declare(strict_types=1);
 
 namespace O3\TinyMCE\Application\Core\TinyMCE\Plugins;
 
+use OxidEsales\Eshop\Core\Exception\FileException;
 use OxidEsales\Eshop\Core\Registry;
 
 class Roxy extends AbstractPlugin
@@ -32,6 +33,10 @@ class Roxy extends AbstractPlugin
         return 'roxy';
     }
 
+    /**
+     * @return string|null
+     * @throws FileException
+     */
     public function getScriptPath(): ?string
     {
         return Registry::getConfig()->getActiveView()->getViewConfig()->getModuleUrl(
diff --git a/Application/Core/TinyMCE/ToolbarList.php b/Application/Core/TinyMCE/ToolbarList.php
index 75b7d1b..50acdd6 100644
--- a/Application/Core/TinyMCE/ToolbarList.php
+++ b/Application/Core/TinyMCE/ToolbarList.php
@@ -26,15 +26,11 @@ namespace O3\TinyMCE\Application\Core\TinyMCE;
 use O3\TinyMCE\Application\Core\TinyMCE\Toolbar\Align;
 use O3\TinyMCE\Application\Core\TinyMCE\Toolbar\Blockquote;
 use O3\TinyMCE\Application\Core\TinyMCE\Toolbar\Color;
-use O3\TinyMCE\Application\Core\TinyMCE\Toolbar\CopyPaste;
 use O3\TinyMCE\Application\Core\TinyMCE\Toolbar\Font;
 use O3\TinyMCE\Application\Core\TinyMCE\Toolbar\Blocks;
 use O3\TinyMCE\Application\Core\TinyMCE\Toolbar\Indent;
 use O3\TinyMCE\Application\Core\TinyMCE\Toolbar\Lists;
 use O3\TinyMCE\Application\Core\TinyMCE\Toolbar\RemoveFormat;
-use O3\TinyMCE\Application\Core\TinyMCE\Toolbar\Subscript;
-use O3\TinyMCE\Application\Core\TinyMCE\Toolbar\Superscript;
-use O3\TinyMCE\Application\Core\TinyMCE\Toolbar\Undo;
 
 class ToolbarList
 {
diff --git a/Application/Core/ViewConfig.php b/Application/Core/ViewConfig.php
index 7531369..f129a15 100755
--- a/Application/Core/ViewConfig.php
+++ b/Application/Core/ViewConfig.php
@@ -24,12 +24,14 @@ declare(strict_types=1);
 namespace O3\TinyMCE\Application\Core;
 
 use O3\TinyMCE\Application\Core\TinyMCE\Loader;
+use OxidEsales\Eshop\Core\Exception\FileException;
 use OxidEsales\Eshop\Core\Registry;
 
 class ViewConfig extends ViewConfig_parent
 {
     /**
      * @return string
+     * @throws FileException
      */
     public function loadTinyMce(): string
     {
diff --git a/Application/views/admin/de/module_options.php b/Application/views/admin/de/module_options.php
index 2c1a5ab..7d7eebf 100644
--- a/Application/views/admin/de/module_options.php
+++ b/Application/views/admin/de/module_options.php
@@ -31,6 +31,6 @@ $aLang = array(
    'HELP_SHOP_MODULE_aTinyMCE_classes'      => 'für die Benutzung von TinyMCE in eigenen Admin Views muss hier die entsprechende Controllerklasse eingetragen werden, dann wird für jedes Textarea je ein Editor erzeugt',
    'SHOP_MODULE_sTinyMCE_apikey'            => 'optionaler API-Key aus Ihrer TinyMCE Registrierung',
    'SHOP_MODULE_aTinyMCE_extjs'             => '<h3>Externe JS Abhängigkeiten</h3>',
-   'HELP_SHOP_MODULE_aTinyMCE_extjs'        => 'Komplette URL mit http:// bzw https:// falls der Shop über HTTPS läuft.',
+   'HELP_SHOP_MODULE_aTinyMCE_extjs'        => 'Komplette URL mit https://.',
    'SHOP_MODULE_GROUP_tinyMceSettings'      => 'TinyMCE Einstellungen &amp; Plugins',
 );
diff --git a/Application/views/admin/en/module_options.php b/Application/views/admin/en/module_options.php
index 4365df7..2ed852e 100644
--- a/Application/views/admin/en/module_options.php
+++ b/Application/views/admin/en/module_options.php
@@ -31,6 +31,6 @@ $aLang = array(
    'HELP_SHOP_MODULE_aTinyMCE_classes'      => 'if you want to use TinyMCE for your custom controllers, you need to enter their class names here.',
    'SHOP_MODULE_sTinyMCE_apikey'            => 'optional API key from your TinyMCE registration',
    'SHOP_MODULE_aTinyMCE_extjs'             => '<h3>external JS dependencies</h3> (e.g. for plugins)',
-   'HELP_SHOP_MODULE_aTinyMCE_extjs'        => 'full URL with http:// or https:// if your shop runs with HTTPS.',
+   'HELP_SHOP_MODULE_aTinyMCE_extjs'        => 'Full URL with https://.',
    'SHOP_MODULE_GROUP_tinyMceSettings'      => 'TinyMCE Settings &amp; Plugins',
 );
\ No newline at end of file