Unity Editor Script to help cleaning up missing script references on gameobjects

CleanupMissingScripts.cs

using UnityEngine;
using UnityEditor;

public class CleanupMissingScriptsHelper
{
    [MenuItem("Edit/Cleanup Missing Scripts")]
    static void CleanupMissingScripts()
    {
        foreach (var go in Selection.gameObjects)
        {
            GameObjectUtility.RemoveMonoBehavioursWithMissingScript(go);
        }
    }


    [MenuItem("Edit/Recursive Cleanup Missing Scripts")]
    static void RecursiveCleanupMissingScripts()
    {
        Transform transform = Selection.gameObjects[0].transform;

        foreach (Transform t in transform)
        {
            GameObjectUtility.RemoveMonoBehavioursWithMissingScript(t.gameObject);
        }
    }

    [MenuItem("Edit/Destroy Worlds")]
    static void ThanosesGauntlet()
    {
        //This goes through the entire hierarchy and removes the missing scripts
        var everything = GameObject.FindObjectsOfType<GameObject>();

        foreach (var go in everything)
        {
            if(go.activeInHierarchy)
                GameObjectUtility.RemoveMonoBehavioursWithMissingScript(go);
        }
    }
}