diff --git a/base/debug/leak_annotations.h b/base/debug/leak_annotations.h
index cb03320..1f8b28a 100644
--- a/base/debug/leak_annotations.h
+++ b/base/debug/leak_annotations.h
@@ -8,7 +8,7 @@
 
 #include "build/build_config.h"
 
-#if defined(OS_LINUX) && defined(USE_HEAPCHECKER)
+#if defined(OS_POSIX) && !defined(OS_MACOSX) && defined(USE_HEAPCHECKER)
 
 #include "third_party/tcmalloc/chromium/src/google/heap-checker.h"
 
diff --git a/ipc/sync_socket_unittest.cc b/ipc/sync_socket_unittest.cc
index 4b2dd13..1a4ae13 100644
--- a/ipc/sync_socket_unittest.cc
+++ b/ipc/sync_socket_unittest.cc
@@ -20,9 +20,9 @@
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/multiprocess_func_list.h"
 
-#if defined(OS_LINUX) || defined(OS_MACOSX)
+#if defined(OS_POSIX)
 #include "base/file_descriptor_posix.h"
-#endif  // defined(OS_LINUX) || defined(OS_MACOSX)
+#endif
 
 enum IPCMessageIds {
   UNUSED_IPC_TYPE,