diff --git a/composer.json b/composer.json
index 0a3a55a..66ff98b 100644
--- a/composer.json
+++ b/composer.json
@@ -23,8 +23,7 @@
         "php": "^8.3",
         "silverstripe/admin": "^3",
         "silverstripe/framework": "^6",
-        "silverstripe/versioned": "^3",
-        "silverstripe/vendor-plugin": "^2"
+        "silverstripe/versioned": "^3"
     },
     "require-dev": {
         "phpunit/phpunit": "^11.3",
diff --git a/src/Forms/DiffField.php b/src/Forms/DiffField.php
index e3f6a61..c43c5f6 100644
--- a/src/Forms/DiffField.php
+++ b/src/Forms/DiffField.php
@@ -2,7 +2,6 @@
 
 namespace SilverStripe\VersionedAdmin\Forms;
 
-use SilverStripe\Dev\Deprecation;
 use SilverStripe\Forms\FormField;
 use SilverStripe\Forms\HTMLEditor\HTMLEditorField_Readonly;
 use SilverStripe\Forms\HTMLReadonlyField;