diff --git a/include/wx/defs.h b/include/wx/defs.h
index f04c766d6d..790fd47e39 100644
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -1266,15 +1266,6 @@ enum wxBorder
 #define wxRB_GROUP          0x0004
 #define wxRB_SINGLE         0x0008
 
-/*
- * wxGauge flags
- */
-#define wxGA_HORIZONTAL      wxHORIZONTAL
-#define wxGA_VERTICAL        wxVERTICAL
-#define wxGA_PROGRESSBAR     0x0010
-// Windows only
-#define wxGA_SMOOTH          0x0020
-
 /*
  * wxSlider flags
  */
diff --git a/include/wx/gauge.h b/include/wx/gauge.h
index 17fbc5206e..4add88a2f3 100644
--- a/include/wx/gauge.h
+++ b/include/wx/gauge.h
@@ -22,6 +22,20 @@
 
 #include "wx/control.h"
 
+// ----------------------------------------------------------------------------
+// wxGauge style flags
+// ----------------------------------------------------------------------------
+
+#define wxGA_HORIZONTAL      wxHORIZONTAL
+#define wxGA_VERTICAL        wxVERTICAL
+
+// Win32 only, is default (and only) on some other platforms
+#define wxGA_SMOOTH          0x0020
+
+// obsolete style
+#define wxGA_PROGRESSBAR     0
+
+
 WXDLLEXPORT_DATA(extern const wxChar*) wxGaugeNameStr;
 
 // ----------------------------------------------------------------------------