diff --git a/.gitignore b/.gitignore
index efc94057..8896ca94 100644
--- a/.gitignore
+++ b/.gitignore
@@ -111,12 +111,6 @@ simulator/__pycache__/
 # LVGL PC Simulator - SDL2 SDK (downloaded, see docs/UI 设计/LVGL模拟器部署与使用说明.md §3.1 与 docs/项目部署环境要求.md 第 3 步)
 simulator/SDL2/
 
-# Python
-.venv/
-
-# Serial tool - runtime state (logs, machine-specific)
-tools/serial_tool/state/
-
 # Binary / large files
 *.bin