diff --git a/src/effect/EffectSchemaTraitExpression.ts b/src/effect/EffectSchemaTraitExpression.ts
index 2d284f8..707e6ac 100644
--- a/src/effect/EffectSchemaTraitExpression.ts
+++ b/src/effect/EffectSchemaTraitExpression.ts
@@ -32,17 +32,14 @@ implements TraitExpressionLike<
 
     extends<Self>(): (
         AbstractConstructor<
-            ApplyMutability<S.Struct.Type<Fields>, Mutability> &
-            Omit<
-                Simplify<
-                    Extend<[
-                        Inherited,
-                        ...TraitTuple.MapImplInstance<Traits>
-                    ]>
-                >,
-                keyof Fields
-            > &
-            Proto,
+            Simplify<
+                ApplyMutability<S.Struct.Type<Fields>, Mutability> &
+                Extend<[
+                    Omit<Inherited, keyof Fields>,
+                    ...TraitTuple.MapImplInstance<Traits>
+                ]> &
+                Proto
+            >,
 
             ConstructorParameters<S.Class<unknown, Fields, I, R, C, Inherited, Proto>>
         > &
@@ -57,7 +54,6 @@ implements TraitExpressionLike<
                 Proto
             >
         > &
-
         Simplify<
             Extend<[
                 Static,