diff --git a/clang/test/InterfaceStubs/driver-test.c b/clang/test/InterfaceStubs/driver-test.c
index ed5e5a04a226..b34536a29761 100644
--- a/clang/test/InterfaceStubs/driver-test.c
+++ b/clang/test/InterfaceStubs/driver-test.c
@@ -1,3 +1,5 @@
+// REQUIRES: !system-darwin && !system-windows
+
 // RUN: %clang -o %t1 -emit-interface-stubs -emit-merged-ifs %s %S/object.c %S/weak.cpp
 // RUN: cat %t1.ifs | FileCheck %s
 
diff --git a/clang/test/InterfaceStubs/ppc.cpp b/clang/test/InterfaceStubs/ppc.cpp
index 3155bbd825c5..9a91697d9506 100644
--- a/clang/test/InterfaceStubs/ppc.cpp
+++ b/clang/test/InterfaceStubs/ppc.cpp
@@ -1,3 +1,5 @@
+// REQUIRES: powerpc-registered-target
+
 // RUN: %clang -x c++ -target powerpc64le-unknown-linux-gnu -o - %s \
 // RUN:   -emit-interface-stubs -emit-merged-ifs -S | \
 // RUN: FileCheck -check-prefix=CHECK-IFS %s