diff --git a/src/Trait.ts b/src/Trait.ts
index 76228c6..0d836f9 100644
--- a/src/Trait.ts
+++ b/src/Trait.ts
@@ -1,5 +1,6 @@
 import { Fn, Pipe, Tuples } from "hotscript"
-import { AbstractClass, Class, Opaque, UnwrapOpaque } from "type-fest"
+import { AbstractClass, Class, Opaque } from "type-fest"
+import { tag } from "type-fest/source/opaque"
 import { AbstractTag, TraitExpression, emptyTraitExpression } from "."
 import { ExtendFn, SimplifyFn, StaticMembers, StaticMembersFn } from "./util"
 
@@ -23,7 +24,7 @@ export type RemoveAbstractFromImplClass<
         Omit<InstanceType<ImplClassWithAbstract>, keyof Abstract>,
         ConstructorParameters<ImplClassWithAbstract>
     > &
-    UnwrapOpaque<StaticMembers<ImplClassWithAbstract>>
+    Omit<StaticMembers<ImplClassWithAbstract>, typeof tag>
 )