diff --git a/tests/src/unit-windows_h.cpp b/tests/src/unit-windows_h.cpp
index aa4b414062..3b41c72aeb 100644
--- a/tests/src/unit-windows_h.cpp
+++ b/tests/src/unit-windows_h.cpp
@@ -7,6 +7,8 @@
 // SPDX-License-Identifier: MIT
 
 #include "doctest_compatibility.h"
+#undef WIN32_LEAN_AND_MEAN
+#undef NOMINMAX
 
 #ifdef _WIN32
     #include <windows.h>