diff --git a/src/js/stendhal/data/enum/Enum.ts b/src/js/stendhal/data/enum/Enum.ts
deleted file mode 100644
index d28ca392e9..0000000000
--- a/src/js/stendhal/data/enum/Enum.ts
+++ /dev/null
@@ -1,34 +0,0 @@
-/***************************************************************************
- *                    Copyright © 2024 - Faiumoni e. V.                    *
- ***************************************************************************
- ***************************************************************************
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU Affero General Public License as        *
- *   published by the Free Software Foundation; either version 3 of the    *
- *   License, or (at your option) any later version.                       *
- *                                                                         *
- ***************************************************************************/
-
-import { AbstractEnum } from "./AbstractEnum";
-
-
-/**
- * Represents a string enumeration type.
- */
-export class Enum extends AbstractEnum<string> {
-
-	/** String enumeration type must have a value. */
-	override readonly value!: string;
-
-
-	/**
-	 * Creates a new string enumeration.
-	 *
-	 * @param value {string}
-	 *   String value representation of this instance.
-	 */
-	constructor(value: string) {
-		super(value);
-	}
-}
diff --git a/src/js/stendhal/data/enum/SoundLayer.ts b/src/js/stendhal/data/enum/SoundLayer.ts
index 74ad16eb5d..138db35491 100644
--- a/src/js/stendhal/data/enum/SoundLayer.ts
+++ b/src/js/stendhal/data/enum/SoundLayer.ts
@@ -10,7 +10,7 @@
  *                                                                         *
  ***************************************************************************/
 
-import { Enum } from "../enum/Enum";
+import { AbstractEnum } from "../enum/AbstractEnum";
 
 
 /**
@@ -18,7 +18,7 @@ import { Enum } from "../enum/Enum";
  *
  * NOTE: string names should match `games.stendhal.common.constants.SoundLayer`
  */
-export class SoundLayer extends Enum {
+export class SoundLayer extends AbstractEnum<string> {
 
 	/** Reference to layers. */
 	private static readonly layers: SoundLayer[] = [];
@@ -29,6 +29,9 @@ export class SoundLayer extends Enum {
 	static readonly SFX = new SoundLayer("sfx");
 	static readonly GUI = new SoundLayer("gui");
 
+	/** Value is required. */
+	override readonly value!: string;
+
 
 	private constructor(value: string) {
 		super(value);