diff --git a/src/os.cpp b/src/os.cpp
index 8f830b94c9..e312854612 100644
--- a/src/os.cpp
+++ b/src/os.cpp
@@ -390,15 +390,15 @@ static int os_exec_process_posix(const char *exe, ZigList<const char *> &args,
 
 #if defined(ZIG_OS_WINDOWS)
 
-static void win32_panic(const char *str) {
-    DWORD err = GetLastError();
-    LPSTR messageBuffer = nullptr;
-    FormatMessageA(
-        FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
-        NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&messageBuffer, 0, NULL);
-    zig_panic(str, messageBuffer);
-    LocalFree(messageBuffer);
-}
+//static void win32_panic(const char *str) {
+//    DWORD err = GetLastError();
+//    LPSTR messageBuffer = nullptr;
+//    FormatMessageA(
+//        FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+//        NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&messageBuffer, 0, NULL);
+//    zig_panic(str, messageBuffer);
+//    LocalFree(messageBuffer);
+//}
 
 static int os_exec_process_windows(const char *exe, ZigList<const char *> &args,
         Termination *term, Buf *out_stderr, Buf *out_stdout)