diff --git a/src/gtk/listbox.cpp b/src/gtk/listbox.cpp
index 8d8a357975..14dd4558ae 100644
--- a/src/gtk/listbox.cpp
+++ b/src/gtk/listbox.cpp
@@ -12,12 +12,6 @@
 #pragma implementation "listbox.h"
 #endif
 
-#ifdef __VMS
-#define gtk_scrolled_window_add_with_viewport gtk_scrolled_window_add_with_vi
-#define gtk_container_set_focus_vadjustment gtk_container_set_focus_vadjust
-#define gtk_scrolled_window_get_vadjustment gtk_scrolled_window_get_vadjust
-#endif
-
 #include "wx/listbox.h"
 
 #if wxUSE_LISTBOX
diff --git a/src/gtk1/listbox.cpp b/src/gtk1/listbox.cpp
index 8d8a357975..14dd4558ae 100644
--- a/src/gtk1/listbox.cpp
+++ b/src/gtk1/listbox.cpp
@@ -12,12 +12,6 @@
 #pragma implementation "listbox.h"
 #endif
 
-#ifdef __VMS
-#define gtk_scrolled_window_add_with_viewport gtk_scrolled_window_add_with_vi
-#define gtk_container_set_focus_vadjustment gtk_container_set_focus_vadjust
-#define gtk_scrolled_window_get_vadjustment gtk_scrolled_window_get_vadjust
-#endif
-
 #include "wx/listbox.h"
 
 #if wxUSE_LISTBOX