diff --git a/clang/test/Index/pch-with-module.m b/clang/test/Index/pch-with-module.m
index 77262d5eb6d1f5..9acd9694830bd7 100644
--- a/clang/test/Index/pch-with-module.m
+++ b/clang/test/Index/pch-with-module.m
@@ -1,5 +1,6 @@
 // REQUIRES: x86-registered-target
 // RUN: rm -rf %t.cache
+// RUN: rm -rf %t.h.pch
 // RUN: c-index-test -write-pch %t.h.pch %s -target x86_64-apple-macosx10.7 -fobjc-arc -fmodules-cache-path=%t.cache -fmodules -F %S/../Modules/Inputs -Xclang -fdisable-module-hash
 // RUN: %clang -fsyntax-only %s -target x86_64-apple-macosx10.7 -include %t.h -fobjc-arc -fmodules-cache-path=%t.cache -fmodules -F %S/../Modules/Inputs \
 // RUN:      -Xclang -fdisable-module-hash -Xclang -detailed-preprocessing-record -Xclang -verify