diff --git a/glib-2.23.0.tar.bz2 b/glib-2.23.0.tar.bz2
new file mode 100644
index 0000000..6d3a2c6
--- /dev/null
+++ b/glib-2.23.0.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:24002573dd17bc31c099cfa37853ccb0b510f2f6cf54222c3681b9b0ed5e9288
+size 5028716
diff --git a/glib-2.23.1.tar.bz2 b/glib-2.23.1.tar.bz2
deleted file mode 100644
index 3c64618..0000000
--- a/glib-2.23.1.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5074df427a0640fb37b73cb692f233907fa2015af3be8594cd235a28ed1605a6
-size 5082222
diff --git a/glib2.changes b/glib2.changes
index c41ca22..604ce1d 100644
--- a/glib2.changes
+++ b/glib2.changes
@@ -1,28 +1,3 @@
--------------------------------------------------------------------
-Tue Dec 22 13:16:55 CET 2009 - vuntz@opensuse.org
-
-- Update to version 2.23.1:
-  + GObject performance work has landed:
-    - Construction of simple objects is much faster
-    - Interface lookup is lock-free and constant-time now
-    - Reduced locking overhead when dealing with types
-  + GType now has a G_DEFINE_INTERFACE convenience macro
-  + GIO gained GUtf8InputStream, an input stream that performs
-    utf-8 validation
-  + GLib now has byte-swap macros for gsize and gssize
-  + Bugs fixed:
-    - bgo#603982: Stack overflow when reading file async with
-      filter
-    - bgo#557151, bgo#557100, bgo#501166, bgo#585375, bgo#587892,
-      bgo#603270, bgo#603476, bgo#603540, bgo#604645, bgo#604875,
-      bgo#320482
-  + Updated translations.
-
--------------------------------------------------------------------
-Mon Dec 21 11:28:55 CET 2009 - vuntz@opensuse.org
-
-- Update gtk-doc.m4 from gtk-doc package.
-
 -------------------------------------------------------------------
 Mon Dec 14 20:48:33 CET 2009 - jengelh@medozas.de
 
diff --git a/glib2.spec b/glib2.spec
index 05b7b43..9d8fe50 100644
--- a/glib2.spec
+++ b/glib2.spec
@@ -1,5 +1,5 @@
 #
-# spec file for package glib2 (Version 2.23.1)
+# spec file for package glib2 (Version 2.23.0)
 #
 # Copyright (c) 2009 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
@@ -20,8 +20,8 @@
 
 Name:           glib2
 %define _name glib
-Version:        2.23.1
-Release:        1
+Version:        2.23.0
+Release:        2
 License:        LGPLv2.1+
 Summary:        A Library with Convenient Functions Written in C
 Url:            http://www.gtk.org/
diff --git a/gtk-doc.m4 b/gtk-doc.m4
index 9012945..384c224 100644
--- a/gtk-doc.m4
+++ b/gtk-doc.m4
@@ -8,12 +8,6 @@ AC_DEFUN([GTK_DOC_CHECK],
 [
   AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first
   AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first
-
-  dnl check for tools we added during development
-  AC_PATH_PROG([GTKDOC_CHECK],[gtkdoc-check])
-  AC_PATH_PROGS([GTKDOC_REBASE],[gtkdoc-rebase],[true])
-  AC_PATH_PROG([GTKDOC_MKPDF],[gtkdoc-mkpdf])
-
   dnl for overriding the documentation installation directory
   AC_ARG_WITH([html-dir],
     AS_HELP_STRING([--with-html-dir=PATH], [path to installed docs]),,
@@ -32,30 +26,14 @@ AC_DEFUN([GTK_DOC_CHECK],
       [PKG_CHECK_EXISTS([gtk-doc],,
                         AC_MSG_ERROR([gtk-doc not installed and --enable-gtk-doc requested]))],
       [PKG_CHECK_EXISTS([gtk-doc >= $1],,
-                        AC_MSG_ERROR([You need to have gtk-doc >= $1 installed to build $PACKAGE_NAME]))])
+                        AC_MSG_ERROR([You need to have gtk-doc >= $1 installed to build gtk-doc]))])
   fi
 
   AC_MSG_CHECKING([whether to build gtk-doc documentation])
   AC_MSG_RESULT($enable_gtk_doc)
 
-  dnl enable/disable output formats
-  AC_ARG_ENABLE([gtk-doc-html],
-    AS_HELP_STRING([--enable-gtk-doc-html],
-                   [build documentation in html format [[default=yes]]]),,
-    [enable_gtk_doc_html=yes])
-    AC_ARG_ENABLE([gtk-doc-pdf],
-      AS_HELP_STRING([--enable-gtk-doc-pdf],
-                     [build documentation in pdf format [[default=no]]]),,
-      [enable_gtk_doc_pdf=no])
-
-  if test -z "$GTKDOC_MKPDF"; then
-    enable_gtk_doc_pdf=no
-  fi
-
+  AC_PATH_PROGS(GTKDOC_CHECK,gtkdoc-check,)
 
   AM_CONDITIONAL([ENABLE_GTK_DOC], [test x$enable_gtk_doc = xyes])
-  AM_CONDITIONAL([GTK_DOC_BUILD_HTML], [test x$enable_gtk_doc_html = xyes])
-  AM_CONDITIONAL([GTK_DOC_BUILD_PDF], [test x$enable_gtk_doc_pdf = xyes])
   AM_CONDITIONAL([GTK_DOC_USE_LIBTOOL], [test -n "$LIBTOOL"])
-  AM_CONDITIONAL([GTK_DOC_USE_REBASE], [test -n "$GTKDOC_REBASE"])
 ])