AssetDatabase.DeleteAsset

Parameters

Returns

bool Returns true if the asset has been successfully removed, false if it doesn't exist or couldn't be removed.

Description

Deletes the specified asset or folder.

Paths should be relative to the project folder, for example: "Assets/MyTextures/hello.png"

Additional resources: AssetDatabase.DeleteAssets, AssetDatabase.MoveAssetToTrash, AssetDatabase.MoveAssetsToTrash.

using UnityEngine;
using UnityEditor;

public class AssetDatabaseExamples : MonoBehaviour
{
    [MenuItem("AssetDatabase/Delete Files In 'Unused' Folder")]
    static void DeleteAllFilesInFolder()
    {
        //"Assets/Unused" folder should exist before running this Method
        string[] unusedFolder = { "Assets/Unused" };
        foreach (var asset in AssetDatabase.FindAssets("", unusedFolder))
        {
            var path = AssetDatabase.GUIDToAssetPath(asset);
            AssetDatabase.DeleteAsset(path);
        }
    }
}