diff --git a/src/lib/util/delegate.h b/src/lib/util/delegate.h
index 8cfd1c7485c..3b413456709 100644
--- a/src/lib/util/delegate.h
+++ b/src/lib/util/delegate.h
@@ -79,7 +79,6 @@
 #define __DELEGATE_H__
 
 // standard C++ includes
-#include <assert.h>
 #include <exception>
 #include <typeinfo>