diff --git a/include/guisan.hpp b/include/guisan.hpp
index 753f2db..65aba43 100644
--- a/include/guisan.hpp
+++ b/include/guisan.hpp
@@ -115,8 +115,6 @@
 
 #include "guisan/platform.hpp"
 
-class Widget;
-
 extern "C"
 {
     /**