diff --git a/clang/test/Modules/implicit-module-no-timestamp.cpp b/clang/test/Modules/implicit-module-no-timestamp.cpp
index 1b681a610bab22..50767b4a11468f 100644
--- a/clang/test/Modules/implicit-module-no-timestamp.cpp
+++ b/clang/test/Modules/implicit-module-no-timestamp.cpp
@@ -1,4 +1,3 @@
-// UNSUPPORTED: system-windows
 // RUN: rm -rf %t
 // RUN: split-file %s %t
 // RUN: cd %t