diff --git a/app/code/core/Mage/Adminhtml/Block/Catalog/Category/Tab/Design.php b/app/code/core/Mage/Adminhtml/Block/Catalog/Category/Tab/Design.php
deleted file mode 100644
index 4d378ba8b77..00000000000
--- a/app/code/core/Mage/Adminhtml/Block/Catalog/Category/Tab/Design.php
+++ /dev/null
@@ -1,65 +0,0 @@
-<?php
-/**
- * OpenMage
- *
- * This source file is subject to the Open Software License (OSL 3.0)
- * that is bundled with this package in the file LICENSE.txt.
- * It is also available at https://opensource.org/license/osl-3-0-php
- *
- * @category   Mage
- * @package    Mage_Adminhtml
- * @copyright  Copyright (c) 2006-2020 Magento, Inc. (https://www.magento.com)
- * @copyright  Copyright (c) 2022-2023 The OpenMage Contributors (https://www.openmage.org)
- * @license    https://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
- */
-
-/**
- * @category   Mage
- * @package    Mage_Adminhtml
- */
-class Mage_Adminhtml_Block_Catalog_Category_Tab_Design extends Mage_Adminhtml_Block_Catalog_Form
-{
-    /**
-     * @var Mage_Catalog_Model_Category
-     */
-    protected $_category;
-
-    /**
-     * Mage_Adminhtml_Block_Catalog_Category_Tab_Design constructor.
-     */
-    public function __construct()
-    {
-        parent::__construct();
-        $this->setShowGlobalIcon(true);
-    }
-
-    /**
-     * @return Mage_Catalog_Model_Category
-     */
-    public function getCategory()
-    {
-        if (!$this->_category) {
-            $this->_category = Mage::registry('category');
-        }
-        return $this->_category;
-    }
-
-    /**
-     * @return $this
-     */
-    public function _prepareLayout()
-    {
-        parent::_prepareLayout();
-        $form = new Varien_Data_Form();
-        $form->setDataObject($this->getCategory());
-
-        $fieldset = $form->addFieldset('base_fieldset', ['legend' => Mage::helper('catalog')->__('Custom Design')]);
-
-        $this->_setFieldset($this->getCategory()->getDesignAttributes(), $fieldset);
-
-        $form->addValues($this->getCategory()->getData());
-        $form->setFieldNameSuffix('general');
-        $this->setForm($form);
-        return $this;
-    }
-}
diff --git a/app/code/core/Mage/Adminhtml/Block/Catalog/Category/Tab/General.php b/app/code/core/Mage/Adminhtml/Block/Catalog/Category/Tab/General.php
deleted file mode 100644
index 1810b89467e..00000000000
--- a/app/code/core/Mage/Adminhtml/Block/Catalog/Category/Tab/General.php
+++ /dev/null
@@ -1,113 +0,0 @@
-<?php
-/**
- * OpenMage
- *
- * This source file is subject to the Open Software License (OSL 3.0)
- * that is bundled with this package in the file LICENSE.txt.
- * It is also available at https://opensource.org/license/osl-3-0-php
- *
- * @category   Mage
- * @package    Mage_Adminhtml
- * @copyright  Copyright (c) 2006-2020 Magento, Inc. (https://www.magento.com)
- * @copyright  Copyright (c) 2022-2023 The OpenMage Contributors (https://www.openmage.org)
- * @license    https://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
- */
-
-/**
- * Category edit general tab
- *
- * @category   Mage
- * @package    Mage_Adminhtml
- */
-class Mage_Adminhtml_Block_Catalog_Category_Tab_General extends Mage_Adminhtml_Block_Catalog_Form
-{
-    protected $_category;
-
-    public function __construct()
-    {
-        parent::__construct();
-        $this->setShowGlobalIcon(true);
-    }
-
-    public function getCategory()
-    {
-        if (!$this->_category) {
-            $this->_category = Mage::registry('category');
-        }
-        return $this->_category;
-    }
-
-    public function _prepareLayout()
-    {
-        parent::_prepareLayout();
-        $form = new Varien_Data_Form();
-        $form->setHtmlIdPrefix('_general');
-        $form->setDataObject($this->getCategory());
-
-        $fieldset = $form->addFieldset('base_fieldset', ['legend' => Mage::helper('catalog')->__('General Information')]);
-
-        if (!$this->getCategory()->getId()) {
-            $parentId = $this->getRequest()->getParam('parent');
-            if (!$parentId) {
-                $parentId = Mage_Catalog_Model_Category::TREE_ROOT_ID;
-            }
-            $fieldset->addField('path', 'hidden', [
-                'name'  => 'path',
-                'value' => $parentId
-            ]);
-        } else {
-            $fieldset->addField('id', 'hidden', [
-                'name'  => 'id',
-                'value' => $this->getCategory()->getId()
-            ]);
-            $fieldset->addField('path', 'hidden', [
-                'name'  => 'path',
-                'value' => $this->getCategory()->getPath()
-            ]);
-        }
-
-        $this->_setFieldset($this->getCategory()->getAttributes(true), $fieldset);
-
-        if ($this->getCategory()->getId()) {
-            if ($this->getCategory()->getLevel() == 1) {
-                $fieldset->removeField('url_key');
-                $fieldset->addField('url_key', 'hidden', [
-                    'name'  => 'url_key',
-                    'value' => $this->getCategory()->getUrlKey()
-                ]);
-            }
-        }
-
-        $form->addValues($this->getCategory()->getData());
-
-        $form->setFieldNameSuffix('general');
-        $this->setForm($form);
-        return $this;
-    }
-
-    protected function _getAdditionalElementTypes()
-    {
-        return [
-            'image' => Mage::getConfig()->getBlockClassName('adminhtml/catalog_category_helper_image')
-        ];
-    }
-
-    protected function _getParentCategoryOptions($node = null, &$options = [])
-    {
-        if (is_null($node)) {
-            $node = $this->getRoot();
-        }
-
-        if ($node) {
-            $options[] = [
-               'value' => $node->getPathId(),
-               'label' => str_repeat('&nbsp;', max(0, 3 * ($node->getLevel()))) . $this->escapeHtml($node->getName()),
-            ];
-
-            foreach ($node->getChildren() as $child) {
-                $this->_getParentCategoryOptions($child, $options);
-            }
-        }
-        return $options;
-    }
-}