diff --git a/ts/types/UUID.ts b/ts/types/UUID.ts
index b88c4773ae..2ade275a12 100644
--- a/ts/types/UUID.ts
+++ b/ts/types/UUID.ts
@@ -19,7 +19,7 @@ export class UUID {
   }
 
   public toString(): UUIDStringType {
-    return (this.value as unknown) as UUIDStringType;
+    return this.value as UUIDStringType;
   }
 
   public isEqual(other: UUID): boolean {