--- a/libinterp/corefcn/module.mk	Fri Dec 13 17:20:49 2019 -0800
+++ b/libinterp/corefcn/module.mk	Fri Dec 13 17:55:18 2019 -0800
@@ -65,7 +65,6 @@
   %reldir%/oct-hist.h \
   %reldir%/oct-iostrm.h \
   %reldir%/oct-map.h \
-  %reldir%/oct-obj.h \
   %reldir%/oct-prcstrm.h \
   %reldir%/oct-procbuf.h \
   %reldir%/oct-process.h \

--- a/libinterp/corefcn/oct-obj.h	Fri Dec 13 17:20:49 2019 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,37 +0,0 @@
-/*
-
-Copyright (C) 2016-2019 Rik Wehbring
-
-This file is part of Octave.
-
-Octave is free software: you can redistribute it and/or modify it
-under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-Octave is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with Octave; see the file COPYING.  If not, see
-<https://www.gnu.org/licenses/>.
-
-*/
-
-////////////////////////////////////////////////////////////////////////
-// Note: oct-obj.h was deprecated in version 4.2 and will be removed in
-// version 5.
-////////////////////////////////////////////////////////////////////////
-
-#if ! defined (octave_oct_obj_h)
-#define octave_oct_obj_h 1
-
-#include "octave-config.h"
-
-#warning oct-obj.h has been deprecated; use ovl.h instead
-
-#include "ovl.h"
-
-#endif