diff --git a/include/xkbsrv.h b/include/xkbsrv.h
index 84d0ec32c..4df201e28 100644
--- a/include/xkbsrv.h
+++ b/include/xkbsrv.h
@@ -205,10 +205,6 @@ extern _X_EXPORT void XkbFreeKeyboard(XkbDescPtr /* xkb */ ,
                                       Bool      /* freeDesc */
     );
 
-extern _X_EXPORT unsigned int XkbMaskForVMask(XkbDescPtr /* xkb */ ,
-                                              unsigned int      /* vmask */
-    );
-
 extern _X_EXPORT Bool XkbVirtualModsToReal(XkbDescPtr /* xkb */ ,
                                            unsigned int /* virtua_mask */ ,
                                            unsigned int *       /* mask_rtrn */
diff --git a/xkb/xkbsrv_priv.h b/xkb/xkbsrv_priv.h
index 05ddff4bf..d5c6b08c7 100644
--- a/xkb/xkbsrv_priv.h
+++ b/xkb/xkbsrv_priv.h
@@ -128,6 +128,7 @@ int XkbResizeKeyType(XkbDescPtr xkb, int type_ndx, int map_count,
                      Bool want_preserve, int new_num_lvls);
 void XkbFreeComponentNames(XkbComponentNamesPtr names, Bool freeNames);
 void XkbSetActionKeyMods(XkbDescPtr xkb, XkbAction *act, unsigned int mods);
+unsigned int XkbMaskForVMask(XkbDescPtr xkb, unsigned int vmask);
 
 
 extern DevPrivateKeyRec xkbDevicePrivateKeyRec;