diff --git a/probe_target.py b/probe_target.py
deleted file mode 100644
index cacd6f5..0000000
--- a/probe_target.py
+++ /dev/null
@@ -1,21 +0,0 @@
-import sys, json, importlib.util
-sys.stdout.reconfigure(encoding="utf-8")
-spec = importlib.util.spec_from_file_location("bridge", r"d:\Atie\Gitea\Thing\src-tauri\src\music\bridge.py")
-b = importlib.util.module_from_spec(spec); spec.loader.exec_module(b)
-client = b.get_client(["QQMusicClient"])
-res = client.search("海阔天空")
-s = res["QQMusicClient"][0]
-rs = (s.raw_data or {}).get("search")
-src = b._get_resolve_client("QQMusicClient")
-print("raw song:", s.song_name, "| id", s.identifier)
-# official alone, lossless_quality_is_sufficient=False, no cap
-from musicdl.modules.utils.data import SongInfo
-official = src._parsewithofficialapiv1
-r2 = official(search_result=rs, song_info_flac=SongInfo(source="QQMusicClient"), lossless_quality_is_sufficient=False)
-print("official-only uncapped -> ext=", getattr(r2,"ext",None), "valid=", getattr(r2,"with_valid_download_url",None))
-for target in ("", "最高", "无损", "320K", "128K"):
-    r = b._resolve_song(src, rs, target)
-    print("target=%r ->" % target, "ext=", getattr(r,"ext",None), "bitrate=", getattr(r,"bitrate",None), "valid=", getattr(r,"with_valid_download_url",None))
-# verify constant restored
-import musicdl.modules.utils.qqutils as qq
-print("restored SORTED len:", len(qq.SongFileType.SORTED_QUALITIES.value))
\ No newline at end of file