diff --git a/src/main/kotlin/entity/NodeEvent.kt b/src/main/kotlin/entity/NodeEvent.kt
deleted file mode 100644
index 46ab78c..0000000
--- a/src/main/kotlin/entity/NodeEvent.kt
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (c) 2023. Accursi Giacomo
- *
- * Use of this source code is governed by an MIT-style
- * license that can be found in the LICENSE file or at
- * https://opensource.org/licenses/MIT.
- */
-
-package entity
-
-/**
- * Interface for change events of a node.
- */
-sealed interface NodeEvent {
-    /**
-     * New Node is added to the environment.
-     * @param node the added node.
-     */
-    class NodeAdded(val node: Node) : NodeEvent
-
-    /**
-     * A node is removed from the environment.
-     * @param node the removed node.
-     */
-    class NodeRemoved(val node: Node) : NodeEvent
-
-    /**
-     * A node is moved in the environment.
-     * @param node the moved node.
-     */
-    class NodeMoved(val node: Node) : NodeEvent
-}