diff --git a/Configuration/TCA/tx_variables_marker.php b/Configuration/TCA/tx_variables_marker.php
index b218042..341a9dc 100644
--- a/Configuration/TCA/tx_variables_marker.php
+++ b/Configuration/TCA/tx_variables_marker.php
@@ -119,6 +119,7 @@
         'marker' => [
             'exclude' => 0,
             'label' => 'LLL:EXT:variables/Resources/Private/Language/locallang_db.xlf:tx_variables_marker.marker',
+            'description' => 'LLL:EXT:variables/Resources/Private/Language/locallang_db.xlf:tx_variables_marker.marker.description',
             'l10n_mode' => 'exclude',
             'config' => [
                 'type' => 'input',
@@ -130,6 +131,7 @@
         'replacement' => [
             'exclude' => 0,
             'label' => 'LLL:EXT:variables/Resources/Private/Language/locallang_db.xlf:tx_variables_marker.replacement',
+            'description' => 'LLL:EXT:variables/Resources/Private/Language/locallang_db.xlf:tx_variables_marker.replacement.description',
             'config' => [
                 'type' => 'text',
                 'cols' => 40,
diff --git a/Resources/Private/Language/locallang_csh_tx_variables_marker.xlf b/Resources/Private/Language/locallang_csh_tx_variables_marker.xlf
deleted file mode 100644
index efcfd8f..0000000
--- a/Resources/Private/Language/locallang_csh_tx_variables_marker.xlf
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-	<file source-language="en" datatype="plaintext" original="messages" date="2016-09-22T14:50:28Z" product-name="variables">
-		<header/>
-		<body>
-			<trans-unit id="marker.description">
-				<source>The marker you want to replace in your page. Will be automatically converted to upper case. Do not put the double curly brackets {{ ... }}.</source>
-			</trans-unit>
-			<trans-unit id="replacement.description">
-				<source>The replacement text for the marker. You may reference other markers by enclosing them into double curly brackets {{ ... }}.</source>
-			</trans-unit>
-		</body>
-	</file>
-</xliff>
diff --git a/Resources/Private/Language/locallang_db.xlf b/Resources/Private/Language/locallang_db.xlf
index fc482f4..4c4eeeb 100644
--- a/Resources/Private/Language/locallang_db.xlf
+++ b/Resources/Private/Language/locallang_db.xlf
@@ -9,9 +9,15 @@
 			<trans-unit id="tx_variables_marker.marker">
 				<source>Marker:</source>
 			</trans-unit>
+			<trans-unit id="tx_variables_marker.marker.description">
+				<source>The marker you want to replace in your page. Will be automatically converted to upper case. Do not put the double curly brackets {{ ... }}.</source>
+			</trans-unit>
 			<trans-unit id="tx_variables_marker.replacement">
 				<source>Replacement Text:</source>
 			</trans-unit>
+			<trans-unit id="tx_variables_marker.replacement.description">
+				<source>The replacement text for the marker. You may reference other markers by enclosing them into double curly brackets {{ ... }}.</source>
+			</trans-unit>
 		</body>
 	</file>
 </xliff>
diff --git a/ext_tables.php b/ext_tables.php
deleted file mode 100644
index b00119b..0000000
--- a/ext_tables.php
+++ /dev/null
@@ -1,9 +0,0 @@
-<?php
-
-use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
-
-defined('TYPO3') || die();
-
-(static function ($extKey) {
-    ExtensionManagementUtility::addLLrefForTCAdescr('tx_variables_marker', 'EXT:variables/Resources/Private/Language/locallang_csh_tx_variables_marker.xlf');
-})('variables');
