diff --git a/theme-overrides/displayHomeUsps1/banner.tpl b/theme-overrides/displayHomeUsps1/banner.tpl
deleted file mode 100644
index 01a5f80..0000000
--- a/theme-overrides/displayHomeUsps1/banner.tpl
+++ /dev/null
@@ -1,10 +0,0 @@
-{if !empty($block.link)}<a href="{$block.link|escape:'html':'UTF-8'}">{/if}
-    <p class="h1 usp__name text-center">
-        <span>{$block.title|escape:'html':'UTF-8'}</span>
-    </p>
-    {if !empty($block.description)}
-    <p class="usp__description text-center">
-        {$block.description|escape:'html':'UTF-8'|nl2br}
-    </p>
-    {/if}
-{if !empty($block.link)}</a>{/if}
diff --git a/theme-overrides/displayHomeUsps2/usp.tpl b/theme-overrides/displayHomeUsps2/usp.tpl
deleted file mode 100644
index cfae01a..0000000
--- a/theme-overrides/displayHomeUsps2/usp.tpl
+++ /dev/null
@@ -1,11 +0,0 @@
-{if !empty($block.link)}<a href="{$block.link|escape:'html':'UTF-8'}">{/if}
-    <small class="uppercase-mono-red">/{$iteration|string_format:"%02d"}</small>
-    <p class="h3 font-default usp__name mt2 mt-lg-3">
-        <span>{$block.title|escape:'html':'UTF-8'}</span>
-    </p>
-    {if !empty($block.description)}
-    <p class="usp__description">
-        {$block.description|escape:'html':'UTF-8'|nl2br}
-    </p>
-    {/if}
-{if !empty($block.link)}</a>{/if}
diff --git a/upgrade/upgrade-1.10.0.php b/upgrade/upgrade-1.10.0.php
deleted file mode 100644
index f2b3626..0000000
--- a/upgrade/upgrade-1.10.0.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_10_0($module)
-{
-    $columnsToAdd = [
-        'alert_type' => 'VARCHAR(16) NOT NULL DEFAULT \'info\'',
-        'timeout'    => 'INT(11) NOT NULL DEFAULT 0',
-    ];
-
-    foreach ($columnsToAdd as $column => $definition) {
-        $existing = Db::getInstance()->executeS(
-            'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'' . $column . '\''
-        );
-
-        if (!empty($existing)) {
-            continue;
-        }
-
-        if (!Db::getInstance()->execute(
-            'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml` ADD COLUMN `' . $column . '` ' . $definition
-        )) {
-            return false;
-        }
-    }
-
-    return true;
-}
diff --git a/upgrade/upgrade-1.11.0.php b/upgrade/upgrade-1.11.0.php
deleted file mode 100644
index d9b74b2..0000000
--- a/upgrade/upgrade-1.11.0.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_11_0($module)
-{
-    $groups = Db::getInstance()->executeS(
-        'SELECT `id_ws_customhtml_group` FROM `' . _DB_PREFIX_ . 'ws_customhtml_group` ORDER BY `id_ws_customhtml_group` ASC'
-    );
-
-    foreach ($groups as $index => $group) {
-        if (!Db::getInstance()->update(
-            'ws_customhtml_group',
-            ['ordering' => (int) $index],
-            '`id_ws_customhtml_group` = ' . (int) $group['id_ws_customhtml_group']
-        )) {
-            return false;
-        }
-    }
-
-    return true;
-}
diff --git a/upgrade/upgrade-1.13.0.php b/upgrade/upgrade-1.13.0.php
deleted file mode 100644
index a6bcf42..0000000
--- a/upgrade/upgrade-1.13.0.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_13_0($module)
-{
-    $existing = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml_group` LIKE \'custom_class\''
-    );
-
-    if (!empty($existing)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml_group`
-         ADD COLUMN `custom_class` VARCHAR(128) NOT NULL DEFAULT \'\' AFTER `title`'
-    );
-}
diff --git a/upgrade/upgrade-1.15.0.php b/upgrade/upgrade-1.15.0.php
deleted file mode 100644
index af84f6b..0000000
--- a/upgrade/upgrade-1.15.0.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_15_0($module)
-{
-    $existing = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'link_text\''
-    );
-
-    if (!empty($existing)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml`
-         ADD COLUMN `link_text` VARCHAR(128) NOT NULL DEFAULT \'\' AFTER `link`'
-    );
-}
diff --git a/upgrade/upgrade-1.16.0.php b/upgrade/upgrade-1.16.0.php
deleted file mode 100644
index f6428be..0000000
--- a/upgrade/upgrade-1.16.0.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_16_0($module)
-{
-    $columnsToAdd = [
-        'slides_per_view_mobile'  => 'DECIMAL(4,2) NOT NULL DEFAULT 1',
-        'slides_per_view_tablet'  => 'DECIMAL(4,2) NOT NULL DEFAULT 2',
-        'slides_per_view_desktop' => 'DECIMAL(4,2) NOT NULL DEFAULT 3',
-        'autoplay_delay'          => 'INT(11) NOT NULL DEFAULT 0',
-    ];
-
-    foreach ($columnsToAdd as $column => $definition) {
-        $existing = Db::getInstance()->executeS(
-            'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'' . $column . '\''
-        );
-
-        if (!empty($existing)) {
-            continue;
-        }
-
-        if (!Db::getInstance()->execute(
-            'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml` ADD COLUMN `' . $column . '` ' . $definition
-        )) {
-            return false;
-        }
-    }
-
-    return Db::getInstance()->execute(
-        'CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'ws_customhtml_slide` (
-            `id_ws_customhtml_slide` INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
-            `id_ws_customhtml` INT(11) NOT NULL,
-            `title` VARCHAR(256) NOT NULL DEFAULT \'\',
-            `description` TEXT,
-            `extra_description` TEXT,
-            `link` VARCHAR(512) NOT NULL DEFAULT \'\',
-            `link_text` VARCHAR(128) NOT NULL DEFAULT \'\',
-            `image` VARCHAR(255) NOT NULL DEFAULT \'\',
-            `ordering` INT(11) NOT NULL DEFAULT 0,
-            `date_add` DATETIME NOT NULL,
-            `date_upd` DATETIME NOT NULL,
-            KEY `id_ws_customhtml` (`id_ws_customhtml`)
-        )'
-    );
-}
diff --git a/upgrade/upgrade-1.17.0.php b/upgrade/upgrade-1.17.0.php
deleted file mode 100644
index f3ef049..0000000
--- a/upgrade/upgrade-1.17.0.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_17_0($module)
-{
-    $existing = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'slider_mode\''
-    );
-
-    if (!empty($existing)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml`
-         ADD COLUMN `slider_mode` VARCHAR(16) NOT NULL DEFAULT \'always\' AFTER `timeout`'
-    );
-}
diff --git a/upgrade/upgrade-1.19.0.php b/upgrade/upgrade-1.19.0.php
deleted file mode 100644
index b70737a..0000000
--- a/upgrade/upgrade-1.19.0.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_19_0($module)
-{
-    $existing = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml_group` LIKE \'default_block_class\''
-    );
-
-    if (!empty($existing)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml_group`
-         ADD COLUMN `default_block_class` VARCHAR(128) NOT NULL DEFAULT \'\' AFTER `custom_class`'
-    );
-}
diff --git a/upgrade/upgrade-1.2.0.php b/upgrade/upgrade-1.2.0.php
deleted file mode 100644
index 8940450..0000000
--- a/upgrade/upgrade-1.2.0.php
+++ /dev/null
@@ -1,38 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_2_0($module)
-{
-    $columns = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'type\''
-    );
-
-    if (empty($columns)) {
-        if (!Db::getInstance()->execute(
-            'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml`
-             ADD COLUMN `type` VARCHAR(32) NOT NULL DEFAULT \'html\' AFTER `title`'
-        )) {
-            return false;
-        }
-    }
-
-    if (!Db::getInstance()->execute(
-        'CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'ws_customhtml_faq` (
-            `id_ws_customhtml_faq` INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
-            `id_ws_customhtml` INT(11) NOT NULL,
-            `question` VARCHAR(512) NOT NULL DEFAULT \'\',
-            `answer` TEXT,
-            `ordering` INT(11) NOT NULL DEFAULT 0,
-            `date_add` DATETIME NOT NULL,
-            `date_upd` DATETIME NOT NULL,
-            KEY `id_ws_customhtml` (`id_ws_customhtml`)
-        )'
-    )) {
-        return false;
-    }
-
-    return $module->registerHook('actionCustomhtmlblockGridDataModifier');
-}
diff --git a/upgrade/upgrade-1.20.0.php b/upgrade/upgrade-1.20.0.php
deleted file mode 100644
index 91fbcff..0000000
--- a/upgrade/upgrade-1.20.0.php
+++ /dev/null
@@ -1,88 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_20_0($module)
-{
-    if (!createGroupLangTable()) {
-        return false;
-    }
-
-    if (!migrateGroupTitlesToLangTable()) {
-        return false;
-    }
-
-    return dropGroupTitleColumn();
-}
-
-function createGroupLangTable(): bool
-{
-    return Db::getInstance()->execute(
-        'CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'ws_customhtml_group_lang` (
-            `id_ws_customhtml_group` INT(11) NOT NULL,
-            `id_lang` INT(11) NOT NULL,
-            `title` VARCHAR(256) NOT NULL DEFAULT \'\',
-            PRIMARY KEY (`id_ws_customhtml_group`, `id_lang`)
-        );'
-    );
-}
-
-function migrateGroupTitlesToLangTable(): bool
-{
-    $groupColumns = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml_group` LIKE \'title\''
-    );
-
-    if (empty($groupColumns)) {
-        // Already migrated in a previous run of this upgrade.
-        return true;
-    }
-
-    $groups = Db::getInstance()->executeS(
-        'SELECT `id_ws_customhtml_group`, `title` FROM `' . _DB_PREFIX_ . 'ws_customhtml_group`'
-    );
-    $languages = Language::getLanguages(false);
-
-    foreach ($groups as $group) {
-        foreach ($languages as $language) {
-            $existing = Db::getInstance()->executeS(
-                'SELECT 1 FROM `' . _DB_PREFIX_ . 'ws_customhtml_group_lang`
-                 WHERE `id_ws_customhtml_group` = ' . (int) $group['id_ws_customhtml_group'] . '
-                 AND `id_lang` = ' . (int) $language['id_lang']
-            );
-
-            if (!empty($existing)) {
-                continue;
-            }
-
-            $result = Db::getInstance()->insert('ws_customhtml_group_lang', [
-                'id_ws_customhtml_group' => (int) $group['id_ws_customhtml_group'],
-                'id_lang'                => (int) $language['id_lang'],
-                'title'                  => pSQL($group['title']),
-            ]);
-
-            if (!$result) {
-                return false;
-            }
-        }
-    }
-
-    return true;
-}
-
-function dropGroupTitleColumn(): bool
-{
-    $groupColumns = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml_group` LIKE \'title\''
-    );
-
-    if (empty($groupColumns)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml_group` DROP COLUMN `title`'
-    );
-}
diff --git a/upgrade/upgrade-1.21.0.php b/upgrade/upgrade-1.21.0.php
deleted file mode 100644
index 900b057..0000000
--- a/upgrade/upgrade-1.21.0.php
+++ /dev/null
@@ -1,102 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_21_0($module)
-{
-    if (!createBlockLangTable()) {
-        return false;
-    }
-
-    if (!migrateBlockFieldsToLangTable()) {
-        return false;
-    }
-
-    return dropBlockLangColumns();
-}
-
-function createBlockLangTable(): bool
-{
-    return Db::getInstance()->execute(
-        'CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'ws_customhtml_lang` (
-            `id_ws_customhtml` INT(11) NOT NULL,
-            `id_lang` INT(11) NOT NULL,
-            `title` VARCHAR(256) NOT NULL DEFAULT \'\',
-            `content` LONGTEXT,
-            `description` TEXT,
-            `extra_description` TEXT,
-            `link_text` VARCHAR(128) NOT NULL DEFAULT \'\',
-            PRIMARY KEY (`id_ws_customhtml`, `id_lang`)
-        );'
-    );
-}
-
-function migrateBlockFieldsToLangTable(): bool
-{
-    $columns = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'title\''
-    );
-
-    if (empty($columns)) {
-        // Already migrated in a previous run of this upgrade.
-        return true;
-    }
-
-    $blocks = Db::getInstance()->executeS(
-        'SELECT `id_ws_customhtml`, `title`, `content`, `description`, `extra_description`, `link_text`
-         FROM `' . _DB_PREFIX_ . 'ws_customhtml`'
-    );
-    $languages = Language::getLanguages(false);
-
-    foreach ($blocks as $block) {
-        foreach ($languages as $language) {
-            $existing = Db::getInstance()->executeS(
-                'SELECT 1 FROM `' . _DB_PREFIX_ . 'ws_customhtml_lang`
-                 WHERE `id_ws_customhtml` = ' . (int) $block['id_ws_customhtml'] . '
-                 AND `id_lang` = ' . (int) $language['id_lang']
-            );
-
-            if (!empty($existing)) {
-                continue;
-            }
-
-            $result = Db::getInstance()->insert('ws_customhtml_lang', [
-                'id_ws_customhtml' => (int) $block['id_ws_customhtml'],
-                'id_lang'          => (int) $language['id_lang'],
-                'title'            => pSQL($block['title']),
-                'content'          => pSQL($block['content'], true),
-                'description'      => pSQL($block['description']),
-                'extra_description' => pSQL($block['extra_description']),
-                'link_text'        => pSQL($block['link_text']),
-            ]);
-
-            if (!$result) {
-                return false;
-            }
-        }
-    }
-
-    return true;
-}
-
-function dropBlockLangColumns(): bool
-{
-    $columns = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'title\''
-    );
-
-    if (empty($columns)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml`
-         DROP COLUMN `title`,
-         DROP COLUMN `content`,
-         DROP COLUMN `description`,
-         DROP COLUMN `extra_description`,
-         DROP COLUMN `link_text`'
-    );
-}
diff --git a/upgrade/upgrade-1.22.0.php b/upgrade/upgrade-1.22.0.php
deleted file mode 100644
index e61832e..0000000
--- a/upgrade/upgrade-1.22.0.php
+++ /dev/null
@@ -1,79 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_22_0($module)
-{
-    if (!addLinkColumnToLangTable()) {
-        return false;
-    }
-
-    if (!migrateBlockLinkToLangTable()) {
-        return false;
-    }
-
-    return dropBlockLinkColumn();
-}
-
-function addLinkColumnToLangTable(): bool
-{
-    $existing = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml_lang` LIKE \'link\''
-    );
-
-    if (!empty($existing)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml_lang`
-         ADD COLUMN `link` VARCHAR(512) NOT NULL DEFAULT \'\' AFTER `extra_description`'
-    );
-}
-
-function migrateBlockLinkToLangTable(): bool
-{
-    $columns = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'link\''
-    );
-
-    if (empty($columns)) {
-        // Already migrated in a previous run of this upgrade.
-        return true;
-    }
-
-    $blocks = Db::getInstance()->executeS(
-        'SELECT `id_ws_customhtml`, `link` FROM `' . _DB_PREFIX_ . 'ws_customhtml`'
-    );
-
-    foreach ($blocks as $block) {
-        $result = Db::getInstance()->update(
-            'ws_customhtml_lang',
-            ['link' => pSQL($block['link'])],
-            '`id_ws_customhtml` = ' . (int) $block['id_ws_customhtml']
-        );
-
-        if (!$result) {
-            return false;
-        }
-    }
-
-    return true;
-}
-
-function dropBlockLinkColumn(): bool
-{
-    $columns = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'link\''
-    );
-
-    if (empty($columns)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml` DROP COLUMN `link`'
-    );
-}
diff --git a/upgrade/upgrade-1.23.0.php b/upgrade/upgrade-1.23.0.php
deleted file mode 100644
index f247d59..0000000
--- a/upgrade/upgrade-1.23.0.php
+++ /dev/null
@@ -1,102 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_23_0($module)
-{
-    if (!createSlideLangTable()) {
-        return false;
-    }
-
-    if (!migrateSlideFieldsToLangTable()) {
-        return false;
-    }
-
-    return dropSlideLangColumns();
-}
-
-function createSlideLangTable(): bool
-{
-    return Db::getInstance()->execute(
-        'CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'ws_customhtml_slide_lang` (
-            `id_ws_customhtml_slide` INT(11) NOT NULL,
-            `id_lang` INT(11) NOT NULL,
-            `title` VARCHAR(256) NOT NULL DEFAULT \'\',
-            `description` TEXT,
-            `extra_description` TEXT,
-            `link` VARCHAR(512) NOT NULL DEFAULT \'\',
-            `link_text` VARCHAR(128) NOT NULL DEFAULT \'\',
-            PRIMARY KEY (`id_ws_customhtml_slide`, `id_lang`)
-        );'
-    );
-}
-
-function migrateSlideFieldsToLangTable(): bool
-{
-    $columns = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml_slide` LIKE \'title\''
-    );
-
-    if (empty($columns)) {
-        // Already migrated in a previous run of this upgrade.
-        return true;
-    }
-
-    $slides = Db::getInstance()->executeS(
-        'SELECT `id_ws_customhtml_slide`, `title`, `description`, `extra_description`, `link`, `link_text`
-         FROM `' . _DB_PREFIX_ . 'ws_customhtml_slide`'
-    );
-    $languages = Language::getLanguages(false);
-
-    foreach ($slides as $slide) {
-        foreach ($languages as $language) {
-            $existing = Db::getInstance()->executeS(
-                'SELECT 1 FROM `' . _DB_PREFIX_ . 'ws_customhtml_slide_lang`
-                 WHERE `id_ws_customhtml_slide` = ' . (int) $slide['id_ws_customhtml_slide'] . '
-                 AND `id_lang` = ' . (int) $language['id_lang']
-            );
-
-            if (!empty($existing)) {
-                continue;
-            }
-
-            $result = Db::getInstance()->insert('ws_customhtml_slide_lang', [
-                'id_ws_customhtml_slide' => (int) $slide['id_ws_customhtml_slide'],
-                'id_lang'                => (int) $language['id_lang'],
-                'title'                  => pSQL($slide['title']),
-                'description'            => pSQL($slide['description']),
-                'extra_description'      => pSQL($slide['extra_description']),
-                'link'                   => pSQL($slide['link']),
-                'link_text'              => pSQL($slide['link_text']),
-            ]);
-
-            if (!$result) {
-                return false;
-            }
-        }
-    }
-
-    return true;
-}
-
-function dropSlideLangColumns(): bool
-{
-    $columns = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml_slide` LIKE \'title\''
-    );
-
-    if (empty($columns)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml_slide`
-         DROP COLUMN `title`,
-         DROP COLUMN `description`,
-         DROP COLUMN `extra_description`,
-         DROP COLUMN `link`,
-         DROP COLUMN `link_text`'
-    );
-}
diff --git a/upgrade/upgrade-1.24.0.php b/upgrade/upgrade-1.24.0.php
deleted file mode 100644
index 6ca3600..0000000
--- a/upgrade/upgrade-1.24.0.php
+++ /dev/null
@@ -1,93 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_24_0($module)
-{
-    if (!createFaqLangTable()) {
-        return false;
-    }
-
-    if (!migrateFaqFieldsToLangTable()) {
-        return false;
-    }
-
-    return dropFaqLangColumns();
-}
-
-function createFaqLangTable(): bool
-{
-    return Db::getInstance()->execute(
-        'CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'ws_customhtml_faq_lang` (
-            `id_ws_customhtml_faq` INT(11) NOT NULL,
-            `id_lang` INT(11) NOT NULL,
-            `question` VARCHAR(512) NOT NULL DEFAULT \'\',
-            `answer` TEXT,
-            PRIMARY KEY (`id_ws_customhtml_faq`, `id_lang`)
-        );'
-    );
-}
-
-function migrateFaqFieldsToLangTable(): bool
-{
-    $columns = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml_faq` LIKE \'question\''
-    );
-
-    if (empty($columns)) {
-        // Already migrated in a previous run of this upgrade.
-        return true;
-    }
-
-    $faqs = Db::getInstance()->executeS(
-        'SELECT `id_ws_customhtml_faq`, `question`, `answer`
-         FROM `' . _DB_PREFIX_ . 'ws_customhtml_faq`'
-    );
-    $languages = Language::getLanguages(false);
-
-    foreach ($faqs as $faq) {
-        foreach ($languages as $language) {
-            $existing = Db::getInstance()->executeS(
-                'SELECT 1 FROM `' . _DB_PREFIX_ . 'ws_customhtml_faq_lang`
-                 WHERE `id_ws_customhtml_faq` = ' . (int) $faq['id_ws_customhtml_faq'] . '
-                 AND `id_lang` = ' . (int) $language['id_lang']
-            );
-
-            if (!empty($existing)) {
-                continue;
-            }
-
-            $result = Db::getInstance()->insert('ws_customhtml_faq_lang', [
-                'id_ws_customhtml_faq' => (int) $faq['id_ws_customhtml_faq'],
-                'id_lang'              => (int) $language['id_lang'],
-                'question'             => pSQL($faq['question']),
-                'answer'               => pSQL($faq['answer'], true),
-            ]);
-
-            if (!$result) {
-                return false;
-            }
-        }
-    }
-
-    return true;
-}
-
-function dropFaqLangColumns(): bool
-{
-    $columns = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml_faq` LIKE \'question\''
-    );
-
-    if (empty($columns)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml_faq`
-         DROP COLUMN `question`,
-         DROP COLUMN `answer`'
-    );
-}
diff --git a/upgrade/upgrade-1.3.0.php b/upgrade/upgrade-1.3.0.php
deleted file mode 100644
index e3e8e84..0000000
--- a/upgrade/upgrade-1.3.0.php
+++ /dev/null
@@ -1,23 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_3_0($module)
-{
-    $columns = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'column_class\''
-    );
-
-    if (empty($columns)) {
-        if (!Db::getInstance()->execute(
-            'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml`
-             ADD COLUMN `column_class` VARCHAR(128) NOT NULL DEFAULT \'col-12\' AFTER `content`'
-        )) {
-            return false;
-        }
-    }
-
-    return true;
-}
diff --git a/upgrade/upgrade-1.4.0.php b/upgrade/upgrade-1.4.0.php
deleted file mode 100644
index b333ba7..0000000
--- a/upgrade/upgrade-1.4.0.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_4_0($module)
-{
-    if (!Hook::isModuleRegisteredOnHook($module, 'actionFrontControllerSetMedia', (int) Context::getContext()->shop->id)) {
-        return $module->registerHook('actionFrontControllerSetMedia');
-    }
-
-    return true;
-}
diff --git a/upgrade/upgrade-1.5.0.php b/upgrade/upgrade-1.5.0.php
deleted file mode 100644
index 60d48a0..0000000
--- a/upgrade/upgrade-1.5.0.php
+++ /dev/null
@@ -1,32 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_5_0($module)
-{
-    $newColumn = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'custom_class\''
-    );
-
-    if (!empty($newColumn)) {
-        return true;
-    }
-
-    $oldColumn = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'column_class\''
-    );
-
-    if (!empty($oldColumn)) {
-        return Db::getInstance()->execute(
-            'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml`
-             CHANGE `column_class` `custom_class` VARCHAR(128) NOT NULL DEFAULT \'\''
-        );
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml`
-         ADD COLUMN `custom_class` VARCHAR(128) NOT NULL DEFAULT \'\' AFTER `content`'
-    );
-}
diff --git a/upgrade/upgrade-1.6.0.php b/upgrade/upgrade-1.6.0.php
deleted file mode 100644
index 49afd6b..0000000
--- a/upgrade/upgrade-1.6.0.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_6_0($module)
-{
-    $columnsToAdd = [
-        'description'       => 'TEXT',
-        'extra_description' => 'TEXT',
-        'link'              => 'VARCHAR(512) NOT NULL DEFAULT \'\'',
-        'template'          => 'VARCHAR(32) NOT NULL DEFAULT \'image_left\'',
-        'image'             => 'VARCHAR(255) NOT NULL DEFAULT \'\'',
-    ];
-
-    foreach ($columnsToAdd as $column => $definition) {
-        $existing = Db::getInstance()->executeS(
-            'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'' . $column . '\''
-        );
-
-        if (!empty($existing)) {
-            continue;
-        }
-
-        if (!Db::getInstance()->execute(
-            'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml` ADD COLUMN `' . $column . '` ' . $definition
-        )) {
-            return false;
-        }
-    }
-
-    return true;
-}
diff --git a/upgrade/upgrade-1.7.0.php b/upgrade/upgrade-1.7.0.php
deleted file mode 100644
index abe2cf6..0000000
--- a/upgrade/upgrade-1.7.0.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_7_0($module)
-{
-    $existing = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'template\''
-    );
-
-    if (empty($existing)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml` DROP COLUMN `template`'
-    );
-}
diff --git a/upgrade/upgrade-1.8.0.php b/upgrade/upgrade-1.8.0.php
deleted file mode 100644
index 27ce763..0000000
--- a/upgrade/upgrade-1.8.0.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_8_0($module)
-{
-    $existing = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'template_key\''
-    );
-
-    if (!empty($existing)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml` ADD COLUMN `template_key` VARCHAR(64) NOT NULL DEFAULT \'\''
-    );
-}
diff --git a/upgrade/upgrade-1.9.0.php b/upgrade/upgrade-1.9.0.php
deleted file mode 100644
index f4410aa..0000000
--- a/upgrade/upgrade-1.9.0.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-if (!defined('_PS_VERSION_')) {
-    exit;
-}
-
-function upgrade_module_1_9_0($module)
-{
-    $existing = Db::getInstance()->executeS(
-        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'template_key\''
-    );
-
-    if (empty($existing)) {
-        return true;
-    }
-
-    return Db::getInstance()->execute(
-        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml` DROP COLUMN `template_key`'
-    );
-}