diff --git a/ardour.rc.in b/ardour_system.rc
similarity index 88%
rename from ardour.rc.in
rename to ardour_system.rc
index ffee881be5..7534d79bf2 100644
--- a/ardour.rc.in
+++ b/ardour_system.rc
@@ -10,9 +10,9 @@
     <Option name="mute-affects-main-outs" value="1"/>
     <Option name="monitoring-model" value="ExternalMonitoring"/>
     <Option name="solo-latch" value="1"/>
-    <Option name="mtc-port" value="@MIDITAG@"/>
-    <Option name="mmc-port" value="@MIDITAG@"/>
-    <Option name="midi-port" value="@MIDITAG@"/>
+    <Option name="mtc-port" value="mtc"/>
+    <Option name="mmc-port" value="mmc"/>
+    <Option name="midi-port" value="control"/>
     <Option name="jack-time-master" value="1"/>
     <Option name="trace-midi-input" value="0"/>
     <Option name="trace-midi-output" value="0"/>
@@ -27,8 +27,8 @@
     <Option name="xfade-model" value="FullCrossfade"/>
     <Option name="no-new-session-dialog" value="1"/>
     <Option name="timecode-source-is-synced" value="1"/>
-    <Option name="auditioner-left-out" value="@JACK_INPUT@1"/>
-    <Option name="auditioner-right-out" value="@JACK_INPUT@2"/>
+    <Option name="auditioner-left-out" value="default"/>
+    <Option name="auditioner-right-out" value="default"/>
     <Option name="quieten-at-speed" value="1.000000"/>
     <Option name="use-vst" value="1"/>
     <Option name="use-tranzport" value="1"/>
diff --git a/wscript b/wscript
index 6f5a6df3cc..c27c433e04 100644
--- a/wscript
+++ b/wscript
@@ -729,28 +729,7 @@ def build(bld):
     for i in children:
         bld.recurse(i)
 
-    # ideally, we'd like to use the OS-provided MIDI API
-    # for default ports. that doesn't work on at least
-    # Fedora (Nov 9th, 2009) so use JACK MIDI on linux.
-
-    if sys.platform == 'darwin':
-        rc_subst_dict = {
-                'MIDITAG'    : 'control',
-                'MIDITYPE'   : 'coremidi',
-                'JACK_INPUT' : 'auditioner'
-                }
-    else:
-        rc_subst_dict = {
-                'MIDITAG'    : 'control',
-                'MIDITYPE'   : 'jack',
-                'JACK_INPUT' : 'auditioner'
-                }
-
-    obj              = bld(features = 'subst')
-    obj.source       = 'ardour.rc.in'
-    obj.target       = 'ardour_system.rc'
-    obj.dict         = rc_subst_dict
-    obj.install_path = '${SYSCONFDIR}/ardour3'
+    bld.install_files (os.path.join(bld.env['SYSCONFDIR'], 'ardour3', ), 'ardour_system.rc')
 
 def i18n(bld):
     bld.recurse (i18n_children)