diff --git a/at-spi2-core-rpmlintrc b/at-spi2-core-rpmlintrc
deleted file mode 100644
index b3a6c33..0000000
--- a/at-spi2-core-rpmlintrc
+++ /dev/null
@@ -1 +0,0 @@
-addFilter(".*obsolete-not-provided.*at-spi2-core-devel")
diff --git a/at-spi2-core.changes b/at-spi2-core.changes
index 4d862ff..9cfb97c 100644
--- a/at-spi2-core.changes
+++ b/at-spi2-core.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Sat May 28 17:29:53 UTC 2016 - zaitor@opensuse.org
+
+- Drop at-spi2-core-devel Obsolete: the devel package have not
+  existed since 2009. At the same time, drop rpmlintrc, since it's
+  not needed anymore.
+- Pkgconfig'ify spec file BuildRequires:
+  + Replace/Remove: glib2-devel, gobject-introspection-devel,
+    xorg-x11-devel.
+  + Add: pkgconfig(gio-2.0), pkgconfig(glib-2.0),
+    pkgconfig(gobject-2.0), pkgconfig(gobject-introspection-1.0),
+    pkgconfig(x11), pkgconfig(xtst), pkgconfig(xi).
+
 -------------------------------------------------------------------
 Sun May 22 19:09:47 UTC 2016 - zaitor@opensuse.org
 
diff --git a/at-spi2-core.spec b/at-spi2-core.spec
index 9ae27e3..ea6bbce 100644
--- a/at-spi2-core.spec
+++ b/at-spi2-core.spec
@@ -24,19 +24,20 @@ License:        GPL-2.0+
 Group:          System/Libraries
 Url:            http://www.gnome.org/
 Source0:        http://download.gnome.org/sources/at-spi2-core/2.20/%{name}-%{version}.tar.xz
-Source98:       baselibs.conf
-Source99:       %{name}-rpmlintrc
-BuildRequires:  glib2-devel
-BuildRequires:  gobject-introspection-devel
+Source99:       baselibs.conf
 BuildRequires:  intltool
 BuildRequires:  update-desktop-files
-BuildRequires:  xorg-x11-devel
-BuildRequires:  pkgconfig(dbus-1)
+BuildRequires:  pkgconfig(xi)
+BuildRequires:  pkgconfig(xtst)
+BuildRequires:  pkgconfig(dbus-1) >= 1.0
+BuildRequires:  pkgconfig(gio-2.0) >= 2.28
+BuildRequires:  pkgconfig(glib-2.0) >= 2.36.0
+BuildRequires:  pkgconfig(gobject-2.0) >= 2.0.0
+BuildRequires:  pkgconfig(gobject-introspection-1.0)
+BuildRequires:  pkgconfig(x11)
+
 # dbus-daemon is needed to have this work fine
 Requires:       dbus-1
-# The libraries that were shipped with at-spi2-core were removed, and so
-# there's no devel package anymore
-Obsoletes:      %{name}-devel <= 0.1.1
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description