diff --git a/include/Swiften/SwiftenCompat.h b/include/Swiften/SwiftenCompat.h
index e445505f6ef29aad829a9724ba6f21342795a44d..8584e20b8e57611db0b5eed3687242f237f95525 100644
--- a/include/Swiften/SwiftenCompat.h
+++ b/include/Swiften/SwiftenCompat.h
@@ -46,7 +46,6 @@
 #else
 #define SWIFTEN_UNIQUE_PTR std::auto_ptr
 #define SWIFTEN_SHRPTR_NAMESPACE boost
-#define BOOST_SIGNALS_NO_DEPRECATION_WARNING
 #include <boost/signals.hpp>
 #define SWIFTEN_SIGNAL_NAMESPACE boost
 #define SWIFTEN_SIGNAL_CONNECTION_NAMESPACE boost::signals