diff --git a/ocaml-lablgtk.spec b/ocaml-lablgtk.spec
index de35f68..2b8a6aa 100644
--- a/ocaml-lablgtk.spec
+++ b/ocaml-lablgtk.spec
@@ -2,7 +2,7 @@
 
 Name:           ocaml-lablgtk
 Version:        2.18.6
-Release:        4%{?dist}
+Release:        5%{?dist}
 
 Summary:        Objective Caml interface to gtk+
 
@@ -17,7 +17,6 @@ Provides:       lablgtk = 2.6.0-7
 
 BuildRequires:  ncurses-devel
 BuildRequires:  gtk2-devel
-BuildRequires:  gtkglarea2-devel
 BuildRequires:  gtkspell-devel
 BuildRequires:  libXmu-devel
 BuildRequires:  libglade2-devel
@@ -71,7 +70,7 @@ developing applications that use %{name}.
 %build
 # Parallel builds don't work.
 unset MAKEFLAGS
-%configure --with-gl --enable-debug
+%configure --enable-debug
 perl -pi -e "s|-O|$RPM_OPT_FLAGS|" src/Makefile
 %if %{opt}
 make world CAMLOPT="ocamlopt.opt -g"
@@ -158,6 +157,9 @@ find examples -name .cvsignore -exec rm {} \;
 
 
 %changelog
+* Tue Feb 13 2018 Richard W.M. Jones <rjones@redhat.com> - 2.18.6-5
+- Remove support for GL.
+
 * Fri Feb 09 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 2.18.6-4
 - Escape macros in %%changelog