diff --git a/aegisub/libaegisub/include/libaegisub/signals.h b/aegisub/libaegisub/include/libaegisub/signals.h
index 1d2eb8e4c..12c65fd2d 100644
--- a/aegisub/libaegisub/include/libaegisub/signals.h
+++ b/aegisub/libaegisub/include/libaegisub/signals.h
@@ -260,12 +260,9 @@ class Signal<void> : public detail::SignalBaseImpl<std::tr1::function<void ()> >
 	using super::slots;
 public:
 	Signal() { }
-
-#if defined(_WIN32) || defined(__FreeBSD__)
-// MSVC incorrectly considers this not a template context due to it being fully
-// specified, making typename invalid here
+// Work around compilters that can't tell this is a template context due to it
+// being fully specified, making typename invalid here.
 #define typename
-#endif
 
 	/// @brief Trigger this signal
 	///