diff --git a/src/Trait.ts b/src/Trait.ts
index 3637455..b3fdb42 100644
--- a/src/Trait.ts
+++ b/src/Trait.ts
@@ -1,6 +1,6 @@
 import { Fn } from "hotscript"
 import { AbstractClass, Class, Opaque } from "type-fest"
-import { AbstractTag, TraitExpression, TraitExpressionNullSuperclass, emptyTraitExpression } from "."
+import { AbstractTag, TraitExpression, emptyTraitExpression } from "."
 import { StaticMembers } from "./util"
 
 
@@ -28,7 +28,7 @@ type RemoveAbstractFromImplClass<
 
 
 export class Trait<
-    Supertraits extends TraitExpression<typeof TraitExpressionNullSuperclass, Trait<any, any, any>[], Trait<any, any, any>[]>,
+    Supertraits extends TraitExpression<typeof TraitExpression.NullSuperclass, Trait<any, any, any>[], Trait<any, any, any>[]>,
     Abstract    extends {},
     ImplClass   extends Class<{}, []>,
 > {
diff --git a/src/TraitExpression.ts b/src/TraitExpression.ts
index e24cb6d..c51a32a 100644
--- a/src/TraitExpression.ts
+++ b/src/TraitExpression.ts
@@ -4,8 +4,6 @@ import { AbstractTag, Trait, TraitApplierSuperTag } from "."
 import { ExtendFn, SimplifyFn, StaticMembersFn } from "./util"
 
 
-export class TraitExpressionNullSuperclass {}
-
 export class TraitExpression<
     Superclass extends AbstractClass<{}>,
     OwnTraits  extends Trait<any, any, any>[],
@@ -62,6 +60,8 @@ export class TraitExpression<
 }
 
 export namespace TraitExpression {
+    export class NullSuperclass {}
+
     export type Superclass<T> = (
         T extends TraitExpression<infer Superclass, any, any>
             ? Superclass
@@ -103,7 +103,7 @@ export type Implements<Exp extends TraitExpression<any, any, any>> = (
 
 
 export const emptyTraitExpression = new TraitExpression(
-    TraitExpressionNullSuperclass,
+    TraitExpression.NullSuperclass,
     [] as const,
     [] as const,
 )
diff --git a/src/tests.ts b/src/tests.ts
index c0a35ca..4aef87e 100644
--- a/src/tests.ts
+++ b/src/tests.ts
@@ -1,4 +1,4 @@
-import { Implements, Trait, TraitExpression, abstract, expression, trait } from "."
+import { Implements, TraitExpression, abstract, expression, trait } from "."
 
 
 const PrintsHelloOnNew = trait(