diff --git a/compiler-rt/test/asan/TestCases/Posix/unpoison-alternate-stack.cpp b/compiler-rt/test/asan/TestCases/Posix/unpoison-alternate-stack.cpp
index 7febc06519101..1a8b951590930 100644
--- a/compiler-rt/test/asan/TestCases/Posix/unpoison-alternate-stack.cpp
+++ b/compiler-rt/test/asan/TestCases/Posix/unpoison-alternate-stack.cpp
@@ -3,7 +3,7 @@
 
 // Don't optimize, otherwise the variables which create redzones might be
 // dropped.
-// RUN: %clangxx_asan -std=c++20 -fexceptions -O0 %s -o %t -pthread
+// RUN: %clangxx_asan -fexceptions -O0 %s -o %t -pthread
 // RUN: %run %t
 
 #include <algorithm>