diff --git a/pxr/base/arch/testenv/testArchUtil.cpp b/pxr/base/arch/testenv/testArchUtil.cpp
index cf219ff9c8d..4640ce0c9dc 100644
--- a/pxr/base/arch/testenv/testArchUtil.cpp
+++ b/pxr/base/arch/testenv/testArchUtil.cpp
@@ -4,8 +4,6 @@
 // Licensed under the terms set forth in the LICENSE.txt file available at
 // https://openusd.org/license.
 //
-#define _CRT_SECURE_NO_WARNINGS
-
 #include "pxr/pxr.h"
 #include "pxr/base/arch/testArchUtil.h"
 #include "pxr/base/arch/debugger.h"