diff --git a/src/tests-inheritance.ts b/src/tests-inheritance.ts
index 85fd68f..bc594ba 100644
--- a/src/tests-inheritance.ts
+++ b/src/tests-inheritance.ts
@@ -3,15 +3,15 @@ import { extendsAndExpresses, trait } from "./trait-inheritance"
 
 const Identified = <ID>() =>
     trait(Parent => {
-        abstract class Identified<ID> extends Parent {
+        abstract class Identified extends Parent {
             abstract id: ID
 
-            equals(el: Identified<ID>) {
+            equals(el: Identified) {
                 return this.id === el.id
             }
         }
 
-        return Identified<ID>
+        return Identified
     })