diff --git a/code/TestRegistryDataObject.php b/code/TestRegistryDataObject.php
index 12e2962..66bf931 100644
--- a/code/TestRegistryDataObject.php
+++ b/code/TestRegistryDataObject.php
@@ -6,10 +6,6 @@ use SilverStripe\ORM\DataObject;
 use SilverStripe\ORM\DB;
 use SilverStripe\Registry\RegistryDataInterface;
 
-if (!interface_exists(RegistryDataInterface::class)) {
-    return;
-}
-
 class TestRegistryDataObject extends DataObject implements RegistryDataInterface
 {
     private static $table_name = 'TestRegistryDataObject';
diff --git a/code/TestRegistryPage.php b/code/TestRegistryPage.php
index a9673d4..390f1a6 100644
--- a/code/TestRegistryPage.php
+++ b/code/TestRegistryPage.php
@@ -6,10 +6,6 @@ use SilverStripe\Registry\RegistryPage;
 use SilverStripe\Security\DefaultAdminService;
 use SilverStripe\Security\Member;
 
-if (!class_exists(RegistryPage::class)) {
-    return;
-}
-
 class TestRegistryPage extends RegistryPage
 {
     public function requireDefaultRecords()