diff --git a/src/Core/Constants.cs b/src/Core/Constants.cs
index e19f4aecd..9ca76489d 100644
--- a/src/Core/Constants.cs
+++ b/src/Core/Constants.cs
@@ -100,7 +100,6 @@ public static class AuthenticationSchemes
 
 public static class FeatureFlagKeys
 {
-    public const string DisplayEuEnvironment = "display-eu-environment";
     public const string BrowserFilelessImport = "browser-fileless-import";
     public const string ReturnErrorOnExistingKeypair = "return-error-on-existing-keypair";
     public const string UseTreeWalkerApiForPageDetailsCollection = "use-tree-walker-api-for-page-details-collection";