diff --git a/Classes/Bootstrap.php b/Classes/Bootstrap.php
index b156a28..ecfb784 100644
--- a/Classes/Bootstrap.php
+++ b/Classes/Bootstrap.php
@@ -2,6 +2,7 @@
 
 namespace Codappix\SearchCore;
 
+use Codappix\SearchCore\Compatibility\ExtensionConfigurationInterface;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Object\ObjectManager;
 
@@ -14,4 +15,14 @@ class Bootstrap
     {
         return GeneralUtility::makeInstance(ObjectManager::class);
     }
+
+    /**
+     * @return ExtensionConfigurationInterface
+     */
+    public static function getExtensionConfiguration()
+    {
+        return static::getObjectManager()->get(
+            ExtensionConfigurationInterface::class
+        );
+    }
 }
\ No newline at end of file
diff --git a/Classes/Utility/ExtensionConfiguration.php b/Classes/Compatibility/ExtensionConfiguration.php
similarity index 75%
rename from Classes/Utility/ExtensionConfiguration.php
rename to Classes/Compatibility/ExtensionConfiguration.php
index 029cd3c..84a6509 100644
--- a/Classes/Utility/ExtensionConfiguration.php
+++ b/Classes/Compatibility/ExtensionConfiguration.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Codappix\SearchCore\Utility;
+namespace Codappix\SearchCore\Compatibility;
 
 class ExtensionConfiguration extends \TYPO3\CMS\Core\Configuration\ExtensionConfiguration implements ExtensionConfigurationInterface
 {
diff --git a/Classes/Utility/ExtensionConfigurationInterface.php b/Classes/Compatibility/ExtensionConfigurationInterface.php
similarity index 66%
rename from Classes/Utility/ExtensionConfigurationInterface.php
rename to Classes/Compatibility/ExtensionConfigurationInterface.php
index 991ffec..d12ccd3 100644
--- a/Classes/Utility/ExtensionConfigurationInterface.php
+++ b/Classes/Compatibility/ExtensionConfigurationInterface.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Codappix\SearchCore\Utility;
+namespace Codappix\SearchCore\Compatibility;
 
 interface ExtensionConfigurationInterface
 {
diff --git a/Classes/Compatibility/ImplementationRegistrationService.php b/Classes/Compatibility/ImplementationRegistrationService.php
index 6ceb720..f34d6d7 100644
--- a/Classes/Compatibility/ImplementationRegistrationService.php
+++ b/Classes/Compatibility/ImplementationRegistrationService.php
@@ -23,12 +23,10 @@ namespace Codappix\SearchCore\Compatibility;
 
 use Codappix\SearchCore\Domain\Index\TcaIndexer\TcaTableService;
 use Codappix\SearchCore\Domain\Index\TcaIndexer\TcaTableServiceInterface;
-use Codappix\SearchCore\Utility\ExtensionConfiguration;
-use Codappix\SearchCore\Utility\ExtensionConfiguration87;
-use Codappix\SearchCore\Utility\ExtensionConfigurationInterface;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Core\Utility\VersionNumberUtility;
 use TYPO3\CMS\Extbase\Object\Container\Container;
+use TYPO3\CMS\Extbase\Persistence\Generic\Qom\Comparison;
 
 /**
  * Register different concrete implementations, depending on current TYPO3 version.
@@ -59,7 +57,7 @@ class ImplementationRegistrationService
         } else if (VersionNumberUtility::convertVersionNumberToInteger(TYPO3_version) >= 8000000) {
             $container->registerImplementation(
                 ExtensionConfigurationInterface::class,
-                ExtensionConfiguration87::class
+                Version87\ExtensionConfiguration::class
             );
 
             $container->registerImplementation(
diff --git a/Classes/Compatibility/Version87/ExtensionConfiguration.php b/Classes/Compatibility/Version87/ExtensionConfiguration.php
new file mode 100644
index 0000000..86814fa
--- /dev/null
+++ b/Classes/Compatibility/Version87/ExtensionConfiguration.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Codappix\SearchCore\Compatibility\Version87;
+
+use Codappix\SearchCore\Compatibility\ExtensionConfigurationInterface;
+
+class ExtensionConfiguration implements ExtensionConfigurationInterface
+{
+    public function get($extensionKey)
+    {
+        return unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$extensionKey]);
+    }
+}
\ No newline at end of file
diff --git a/Classes/Utility/ExtensionConfiguration87.php b/Classes/Utility/ExtensionConfiguration87.php
deleted file mode 100644
index ac0413c..0000000
--- a/Classes/Utility/ExtensionConfiguration87.php
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-
-namespace Codappix\SearchCore\Utility;
-
-class ExtensionConfiguration87 implements ExtensionConfigurationInterface
-{
-    public function get($extensionKey)
-    {
-        return unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$extensionKey]);
-    }
-}
\ No newline at end of file
diff --git a/ext_localconf.php b/ext_localconf.php
index 9a80c2c..b492cd1 100644
--- a/ext_localconf.php
+++ b/ext_localconf.php
@@ -44,7 +44,7 @@ call_user_func(
 
 
         // API does make use of object manager, therefore use GLOBALS
-        $extensionConfiguration = \Codappix\SearchCore\Bootstrap::getObjectManager()->get(\Codappix\SearchCore\Utility\ExtensionConfigurationInterface::class)->get($extensionKey);
+        $extensionConfiguration = \Codappix\SearchCore\Bootstrap::getExtensionConfiguration()->get($extensionKey);
 
         if ($extensionConfiguration === false
             || !isset($extensionConfiguration['disable']['elasticsearch'])