diff --git a/build.py b/build.py
index 5dc585a59..cb588f7d0 100755
--- a/build.py
+++ b/build.py
@@ -426,7 +426,6 @@ def build_flutter_dmg(version, features):
         "create-dmg --volname \"RustDesk Installer\" --window-pos 200 120 --window-size 800 400 --icon-size 100 --app-drop-link 600 185 --icon RustDesk.app 200 190 --hide-extension RustDesk.app rustdesk.dmg ./build/macos/Build/Products/Release/RustDesk.app")
     os.rename("rustdesk.dmg", f"../rustdesk-{version}.dmg")
     '''
-    #system2("g++ main.cc -O3 && mv a.out flutter/build/macos/Build/Products/Release/RustDesk.app/Contents/MacOS/serve")
     os.chdir("..")
 
 
diff --git a/main.cc b/main.cc
deleted file mode 100644
index 4369b7711..000000000
--- a/main.cc
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <dlfcn.h>
-#include <iostream>
-
-int main()
-{
-    void *handle = dlopen("../Frameworks/liblibrustdesk.dylib", RTLD_LAZY);
-    if (!handle)
-    {
-        std::cerr << "Cannot open library: " << dlerror() << '\n';
-        return 1;
-    }
-
-    // use dlsym to get a symbol from the library
-    typedef int (*some_func_t)();
-    some_func_t some_func = (some_func_t)dlsym(handle, "rustdesk_core_main");
-    const char *dlsym_error = dlerror();
-    if (dlsym_error)
-    {
-        std::cerr << "Cannot load symbol 'some_func': " << dlsym_error << '\n';
-        dlclose(handle);
-        return 1;
-    }
-
-    some_func();
-
-    dlclose(handle);
-}