diff --git a/include/wx/defs.h b/include/wx/defs.h
index 68e9dad5f7..6c53b5d71c 100644
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -3277,7 +3277,6 @@ typedef struct _GtkRcStyle        GtkRcStyle;
 typedef struct _GtkAdjustment     GtkAdjustment;
 typedef struct _GtkList           GtkList;
 typedef struct _GtkToolbar        GtkToolbar;
-typedef struct _GtkTooltips       GtkTooltips;
 typedef struct _GtkNotebook       GtkNotebook;
 typedef struct _GtkNotebookPage   GtkNotebookPage;
 typedef struct _GtkAccelGroup     GtkAccelGroup;
diff --git a/include/wx/gtk/toolbar.h b/include/wx/gtk/toolbar.h
index 6b15764910..ca8699031a 100644
--- a/include/wx/gtk/toolbar.h
+++ b/include/wx/gtk/toolbar.h
@@ -12,6 +12,8 @@
 
 #if wxUSE_TOOLBAR
 
+typedef struct _GtkTooltips GtkTooltips;
+
 // ----------------------------------------------------------------------------
 // wxToolBar
 // ----------------------------------------------------------------------------