diff --git a/Tests/Stubs/URL+Stub.swift b/Tests/Stubs/URL+Stub.swift
index 46905fa..f4f206a 100644
--- a/Tests/Stubs/URL+Stub.swift
+++ b/Tests/Stubs/URL+Stub.swift
@@ -15,7 +15,7 @@
  */
 import Foundation
 
-extension URL: @retroactive Identifiable {}
+extension URL: Identifiable {}
 extension URL: Stubbable {
   
   public var id: ObjectIdentifier {