diff --git a/CHANGELOG.md b/CHANGELOG.md
index 890a0b4..ad89371 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Fixed
 - Add signer line in the invoice document only if value is not empty
 
+### Removed
+- Smarty support
+
 ## [v2.1.0] - 2023-11-08
 
 ### Added
diff --git a/views/admin_smarty/de/fainvoice_lang.php b/views/admin_smarty/de/fainvoice_lang.php
deleted file mode 100644
index cfff31e..0000000
--- a/views/admin_smarty/de/fainvoice_lang.php
+++ /dev/null
@@ -1,5 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-require __DIR__ . "/../../admin_twig/de/fainvoice_lang.php";
diff --git a/views/admin_smarty/en/fainvoice_lang.php b/views/admin_smarty/en/fainvoice_lang.php
deleted file mode 100644
index 71b3ac3..0000000
--- a/views/admin_smarty/en/fainvoice_lang.php
+++ /dev/null
@@ -1,5 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-require __DIR__ . "/../../admin_twig/en/fainvoice_lang.php";
diff --git a/views/admin_smarty/lt/fainvoice_lang.php b/views/admin_smarty/lt/fainvoice_lang.php
deleted file mode 100644
index a346368..0000000
--- a/views/admin_smarty/lt/fainvoice_lang.php
+++ /dev/null
@@ -1,5 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-require __DIR__ . "/../../admin_twig/lt/fainvoice_lang.php";
diff --git a/views/smarty/admin/invoice.tpl b/views/smarty/admin/invoice.tpl
deleted file mode 100644
index a827a48..0000000
--- a/views/smarty/admin/invoice.tpl
+++ /dev/null
@@ -1,38 +0,0 @@
-[{include file="headitem.tpl" title="GENERAL_ADMIN_TITLE"|oxmultilangassign}]
-
-<form name="transfer" id="transfer" action="[{$oViewConf->getSelfLink()}]" method="post">
-    [{$oViewConf->getHiddenSid()}]
-    <input type="hidden" name="oxid" value="[{$oxid}]">
-    <input type="hidden" name="cl" value="fa_invoice_admin">
-</form>
-
-[{assign var="configuration" value=$invoiceData->getInvoiceConfiguration() }]
-
-<form action="[{$oViewConf->getSelfLink()}]" method="POST">
-    [{$oViewConf->getHiddenSid()}]
-
-    <input type="hidden" name="oxid" value="[{$oxid}]">
-    <input type="hidden" name="cl" value="fa_invoice_admin">
-    <input type="hidden" name="fnc" value="saveData">
-
-    <input type="hidden" name="invoice[order_id]" value="[{$oxid}]">
-    <div>[{oxmultilang ident="FA_INVOICE_FORM_DATE"}]: <input type="text" name="invoice[date]" value="[{$configuration->getDate()}]"></div>
-    <div>[{oxmultilang ident="FA_INVOICE_FORM_NUMBER"}]: <input type="text" name="invoice[number]" value="[{$configuration->getNumber()}]"></div>
-    <div>[{oxmultilang ident="FA_INVOICE_FORM_SIGNER"}]: <input type="text" name="invoice[signer]" value="[{$configuration->getSigner()}]"></div>
-    <div><input type="submit" name="saveData" value="[{oxmultilang ident="FA_INVOICE_FORM_SAVE_DATA"}]"></div>
-</form>
-
-<br/>
-<form action="[{$oViewConf->getSelfLink()}]" method="POST" target="_BLANK">
-    [{$oViewConf->getHiddenSid()}]
-
-    <input type="hidden" name="oxid" value="[{$oxid}]">
-    <input type="hidden" name="cl" value="fa_invoice_admin">
-    <input type="hidden" name="fnc" value="downloadOrderInvoice">
-
-    <input type="hidden" name="orderId" value="[{$oxid}]">
-    <div><input type="submit" name="download" value="[{oxmultilang ident="FA_INVOICE_FORM_DOWNLOAD"}]"></div>
-</form>
-
-[{include file="bottomnaviitem.tpl"}]
-[{include file="bottomitem.tpl"}]
diff --git a/views/smarty/invoice/body.tpl b/views/smarty/invoice/body.tpl
deleted file mode 100644
index 086c693..0000000
--- a/views/smarty/invoice/body.tpl
+++ /dev/null
@@ -1,168 +0,0 @@
-[{assign var="order" value=$invoice->getOrder() }]
-[{assign var="shop" value=$invoice->getShop() }]
-[{assign var="configuration" value=$invoice->getInvoiceConfiguration() }]
-
-<style>
-    #buyer, #seller {
-        width: 50%;
-        float: left;
-    }
-
-    .contactHead {
-        font-weight: bold;
-        margin-bottom: 10px;
-    }
-
-    #number, #date, #invoiceSign {
-        text-align: right;
-        font-weight: bold;
-        margin: 25px 0;
-    }
-
-    #facture {
-        text-align: center;
-        font-weight: bold;
-        font-size: 16px;
-        margin: 25px 0;
-    }
-
-    #contentTable {
-        width: 100%;
-        border-width: 0;
-        margin: 15px 0;
-    }
-
-    td {
-        font-size: 12px;
-        padding: 5px 0;
-        border-top: solid 1px black;
-    }
-
-    .contentHeader td {
-        font-weight: bold;
-    }
-
-    td.itemCount,
-    td.itemPrice,
-    td.itemTotalPrice {
-        text-align: right;
-    }
-
-    .itemSize,
-    .itemCode,
-    .itemCount  {
-        width: 10%;
-    }
-
-    .itemPrice,
-    .itemTotalPrice {
-        width: 15%;
-    }
-
-    #delivery td, #total td, #discount td, #vouchers td, #payment td, .totalvats td {
-        text-align: right;
-    }
-</style>
-
-<div id="seller">
-    <div class="contactHead">[{oxmultilang ident="FA_INVOICE_SELLER"}]</div>
-    <div>
-        <strong>[{$shop->getFieldData('OXCOMPANY')}]</strong><br/>
-        [{$shop->getFieldData('OXSTREET')}]<br/>
-        [{$shop->getFieldData('OXZIP')}] [{$shop->getFieldData('OXCITY')}], [{$shop->getFieldData('OXCOUNTRY')}]<br/>
-        [{oxmultilang ident="FA_INVOICE_TAXID"}]: [{$shop->getFieldData('OXTAXNUMBER')}]<br/>
-        [{$shop->getFieldData('OXINFOEMAIL')}]
-    </div>
-</div>
-
-<div id="buyer">
-    <div class="contactHead">[{oxmultilang ident="FA_INVOICE_BUYER"}]</div>
-    <div>
-        [{if $order->getFieldData('oxbillcompany') }]
-            <strong>[{$order->getFieldData('oxbillcompany')}]</strong><br/>
-        [{/if}]
-
-        [{if $order->getFieldData('oxbillustid') }]
-            [{$order->getFieldData('oxbillustid')}]<br/>
-        [{/if}]
-
-        [{$order->getFieldData('OXBILLFNAME')}] [{$order->getFieldData('OXBILLLNAME')}]<br/>
-        [{$order->getFieldData('OXBILLZIP')}] [{$order->getFieldData('OXBILLCITY')}], [{$order->getBillCountry()}]<br/>
-        [{$order->getFieldData('OXBILLEMAIL')}]
-    </div>
-</div>
-
-<div></div>
-
-<div id="number">[{oxmultilang ident="FA_INVOICE_ORDERNR"}]: [{$order->getFieldData('oxordernr')}]</div>
-<div id="date">[{oxmultilang ident="FA_INVOICE_DATE"}]: [{$configuration->getDate()}]</div>
-
-<div id="facture">[{oxmultilang ident="FA_INVOICE_NUMBER"}] [{$configuration->getNumber()}]</div>
-
-<table id="contentTable">
-    <tr class="contentHeader">
-        <td class="itemTitle">[{oxmultilang ident="FA_INVOICE_ITEM_TITLE"}]</td>
-        <td class="itemCode">[{oxmultilang ident="FA_INVOICE_ITEM_CODE"}]</td>
-        <td class="itemSize">[{oxmultilang ident="FA_INVOICE_ITEM_TYPE"}]</td>
-        <td class="itemCount">[{oxmultilang ident="FA_INVOICE_ITEM_COUNT"}]</td>
-        <td class="itemPrice">[{oxmultilang ident="FA_INVOICE_ITEM_PRICE"}]</td>
-        <td class="itemTotalPrice">[{oxmultilang ident="FA_INVOICE_ITEM_PRICE_TOTAL"}]</td>
-    </tr>
-
-    [{foreach from=$order->getOrderArticles() item=item}]
-        <tr class="item">
-            <td class="itemTitle">[{$item->faGetTranslatedTitle($invoice->getLanguageId())}]</td>
-            <td class="itemCode">[{$item->getFieldData('oxartnum')}]</td>
-            <td class="itemSize">[{oxmultilang ident="FA_INVOICE_PCS"}]</td>
-            <td class="itemCount">[{$item->getFieldData('oxamount')}]</td>
-            <td class="itemPrice">[{$item->getNetPriceFormated()}] [{$order->getFieldData('oxcurrency')}]</td>
-            <td class="itemTotalPrice">[{$item->getTotalNetPriceFormated()}] [{$order->getFieldData('oxcurrency')}]</td>
-        </tr>
-    [{/foreach}]
-
-    [{if $order->getFieldData('oxdiscount') }]
-        <tr id="discount">
-            <td colspan="5">[{oxmultilang ident="FA_INVOICE_DISCOUNT"}]:</td>
-            <td>- [{$order->getFormattedDiscount()}] [{$order->getFieldData('oxcurrency')}]</td>
-        </tr>
-    [{/if}]
-
-    [{if $order->getFieldData('oxvoucherdiscount') }]
-        <tr id="vouchers">
-            <td colspan="5">[{oxmultilang ident="FA_INVOICE_VOUCHERS"}]:</td>
-            <td>- [{$order->getFormattedTotalVouchers()}] [{$order->getFieldData('oxcurrency')}]</td>
-        </tr>
-    [{/if}]
-
-    [{if $order->getFieldData('oxdelcost') }]
-        <tr id="delivery">
-            <td colspan="5">[{oxmultilang ident="FA_INVOICE_DELIVERY"}]:</td>
-            <td>[{$order->getFormattedDeliveryCost()}] [{$order->getFieldData('oxcurrency')}]</td>
-        </tr>
-    [{/if}]
-
-    [{if $order->getFieldData('oxpaycost') }]
-        <tr id="payment">
-            <td colspan="5">[{oxmultilang ident="FA_INVOICE_PAYMENT"}]:</td>
-            <td>[{$order->getFormattedPayCost()}] [{$order->getFieldData('oxcurrency')}]</td>
-        </tr>
-    [{/if}]
-
-    [{foreach key=vat from=$order->getProductVats() item=vatPrice}]
-        <tr class="totalvats">
-            <td colspan="5">[{oxmultilang ident="FA_INVOICE_VATS"}] ([{$vat}]%):</td>
-            <td>[{$vatPrice}] [{$order->getFieldData('oxcurrency')}]</td>
-        </tr>
-    [{/foreach}]
-
-    <tr id="total">
-        <td colspan="5">[{oxmultilang ident="FA_INVOICE_TOTAL"}]:</td>
-        <td>[{$order->getFormattedTotalOrderSum()}] [{$order->getFieldData('oxcurrency')}]</td>
-    </tr>
-
-</table>
-
-[{math assign="sumWithCents" equation="a*b" a=$order->getFieldData('oxtotalordersum') b=100}]
-[{oxmultilang ident="FA_INVOICE_TOTAL_IN_WORDS"}]: [{$wording->currencyToWords($sumWithCents, $order->getFieldData('oxcurrency'))}]
-
-<div id="invoiceSign">[{oxmultilang ident="FA_INVOICE_SIGNED"}]: [{$configuration->getSigner()}]</div>