diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
index 7aefa1ba..562fd449 100644
--- a/Source/WTF/wtf/Platform.h
+++ b/Source/WTF/wtf/Platform.h
@@ -566,6 +566,11 @@
 
 #endif /* PLATFORM(MAC) */
 
+/* FIXME: This does not belong in Platform.h and should instead be included in another mechanism (compiler option, prefix header, config.h, etc) */
+/* ICU configuration. Some of these match ICU defaults on some platforms, but we would like them consistently set everywhere we build WebKit. */
+#define U_SHOW_CPLUSPLUS_API 0
+#define U_SHOW_CPLUSPLUS_HEADER_API 0
+
 #if PLATFORM(IOS)
 
 #define HAVE_NETWORK_EXTENSION 1