diff --git a/Scripts/Editor/NodeEditorGUI.cs b/Scripts/Editor/NodeEditorGUI.cs
index 9f48f0e1..e22a0b4a 100644
--- a/Scripts/Editor/NodeEditorGUI.cs
+++ b/Scripts/Editor/NodeEditorGUI.cs
@@ -241,12 +241,10 @@ private void DrawNodes() {
                 selectionCache = new List<UnityEngine.Object>(Selection.objects);
             }
 
-            //Active node is hashed before and after node GUI to detect changes
-            int nodeHash = 0;
             System.Reflection.MethodInfo onValidate = null;
             if (Selection.activeObject != null && Selection.activeObject is XNode.Node) {
                 onValidate = Selection.activeObject.GetType().GetMethod("OnValidate");
-                if (onValidate != null) nodeHash = Selection.activeObject.GetHashCode();
+                if (onValidate != null) EditorGUI.BeginChangeCheck();
             }
 
             BeginZoomed(position, zoom, topPadding);
@@ -383,12 +381,10 @@ private void DrawNodes() {
             if (e.type != EventType.Layout && currentActivity == NodeActivity.DragGrid) Selection.objects = preSelection.ToArray();
             EndZoomed(position, zoom, topPadding);
 
-            //If a change in hash is detected in the selected node, call OnValidate method. 
+            //If a change in is detected in the selected node, call OnValidate method. 
             //This is done through reflection because OnValidate is only relevant in editor, 
             //and thus, the code should not be included in build.
-            if (nodeHash != 0) {
-                if (onValidate != null && nodeHash != Selection.activeObject.GetHashCode()) onValidate.Invoke(Selection.activeObject, null);
-            }
+            if (onValidate != null && EditorGUI.EndChangeCheck()) onValidate.Invoke(Selection.activeObject, null);
         }
 
         private bool ShouldBeCulled(XNode.Node node) {
diff --git a/Scripts/Node.cs b/Scripts/Node.cs
index 43d716eb..da04d865 100644
--- a/Scripts/Node.cs
+++ b/Scripts/Node.cs
@@ -205,10 +205,6 @@ public void ClearConnections() {
             foreach (NodePort port in Ports) port.ClearConnections();
         }
 
-        public override int GetHashCode() {
-            return JsonUtility.ToJson(this).GetHashCode();
-        }
-
 #region Attributes
         /// <summary> Mark a serializable field as an input port. You can access this through <see cref="GetInputPort(string)"/> </summary>
         [AttributeUsage(AttributeTargets.Field, AllowMultiple = true)]