diff --git a/compiler-rt/test/msan/noundef_analysis.cpp b/compiler-rt/test/msan/noundef_analysis.cpp
--- a/compiler-rt/test/msan/noundef_analysis.cpp
+++ b/compiler-rt/test/msan/noundef_analysis.cpp
@@ -4,7 +4,6 @@
 // RUN: FileCheck %s < %t.out
 
 #include <sanitizer/msan_interface.h>
-#include <string.h>
 
 namespace {