diff --git a/libs/gtkmm2ext/gtkmm2ext/gtk_ui.h b/libs/gtkmm2ext/gtkmm2ext/gtk_ui.h
index dbe1739ffc..5575a97f5d 100644
--- a/libs/gtkmm2ext/gtkmm2ext/gtk_ui.h
+++ b/libs/gtkmm2ext/gtkmm2ext/gtk_ui.h
@@ -35,9 +35,6 @@
 
 #include <gtkmm/widget.h>
 #include <gtkmm/style.h>
-#ifndef GTK_NEW_TOOLTIP_API
-#include <gtkmm/tooltips.h>
-#endif
 #include <gtkmm/textbuffer.h>
 #include <gtkmm/main.h>
 #include <gdkmm/color.h>
@@ -183,9 +180,7 @@ class LIBGTKMM2EXT_API UI : public AbstractUI<UIRequest>
 
 	bool _active;
 	Gtk::Main *theMain;
-#ifndef GTK_NEW_TOOLTIP_API
-	Gtk::Tooltips *tips;
-#endif
+
 	TextViewer *errors;
 	Glib::RefPtr<Gtk::TextBuffer::Tag> error_ptag;
 	Glib::RefPtr<Gtk::TextBuffer::Tag> error_mtag;