diff --git a/gtk2_ardour/wscript b/gtk2_ardour/wscript
index acb4a1862c..c5624f3936 100644
--- a/gtk2_ardour/wscript
+++ b/gtk2_ardour/wscript
@@ -9,7 +9,6 @@ import subprocess
 import glob
 
 # Mandatory variables
-top = '.'
 out = 'build'
 
 @TaskGen.extension('.m')
@@ -921,26 +920,26 @@ def build(bld):
 
 def i18n(bld):
     I18N_PACKAGE = 'gtk2_ardour' + bld.env['MAJOR']
-    autowaf.build_i18n(bld, top, 'gtk2_ardour', I18N_PACKAGE, gtk2_ardour_sources,
+    autowaf.build_i18n(bld, '.', 'gtk2_ardour', I18N_PACKAGE, gtk2_ardour_sources,
                        'Paul Davis')
     appdata_i18n_pot(bld)
     appdata_i18n_po(bld)
 
 def i18n_pot(bld):
     I18N_PACKAGE = 'gtk2_ardour' + bld.env['MAJOR']
-    autowaf.build_i18n_pot(bld, top, 'gtk2_ardour', I18N_PACKAGE, gtk2_ardour_sources,
+    autowaf.build_i18n_pot(bld, '.', 'gtk2_ardour', I18N_PACKAGE, gtk2_ardour_sources,
                            'Paul Davis')
     appdata_i18n_pot(bld)
 
 def i18n_po(bld):
     I18N_PACKAGE = 'gtk2_ardour' + bld.env['MAJOR']
-    autowaf.build_i18n_po(bld, top, 'gtk2_ardour', I18N_PACKAGE, gtk2_ardour_sources,
+    autowaf.build_i18n_po(bld, '.', 'gtk2_ardour', I18N_PACKAGE, gtk2_ardour_sources,
                           'Paul Davis')
     appdata_i18n_po(bld)
 
 def i18n_mo(bld):
     I18N_PACKAGE = 'gtk2_ardour' + bld.env['MAJOR']
-    autowaf.build_i18n_mo(bld, top, 'gtk2_ardour', I18N_PACKAGE, gtk2_ardour_sources,
+    autowaf.build_i18n_mo(bld, '.', 'gtk2_ardour', I18N_PACKAGE, gtk2_ardour_sources,
                           'Paul Davis')
 
 def appdata_i18n_pot(bld):
diff --git a/libs/ardour/wscript b/libs/ardour/wscript
index a6137ee769..5f084c3f72 100644
--- a/libs/ardour/wscript
+++ b/libs/ardour/wscript
@@ -10,7 +10,6 @@ CURRENT_SESSION_FILE_VERSION = 7002
 I18N_PACKAGE = 'ardour'
 
 # Mandatory variables
-top = '.'
 out = 'build'
 
 path_prefix = 'libs/ardour/'
@@ -728,17 +727,17 @@ def shutdown():
     autowaf.shutdown()
 
 def i18n(bld):
-    autowaf.build_i18n(bld, top, 'libs/ardour', I18N_PACKAGE + str(bld.env['MAJOR']), libardour_sources,
+    autowaf.build_i18n(bld, '.', 'libs/ardour', I18N_PACKAGE + str(bld.env['MAJOR']), libardour_sources,
                        'Paul Davis')
 
 def i18n_pot(bld):
-    autowaf.build_i18n(bld, top, 'libs/ardour', I18N_PACKAGE + str(bld.env['MAJOR']), libardour_sources,
+    autowaf.build_i18n(bld, '.', 'libs/ardour', I18N_PACKAGE + str(bld.env['MAJOR']), libardour_sources,
                        'Paul Davis')
 
 def i18n_po(bld):
-    autowaf.build_i18n_po(bld, top, 'libs/ardour', I18N_PACKAGE + str(bld.env['MAJOR']), libardour_sources,
+    autowaf.build_i18n_po(bld, '.', 'libs/ardour', I18N_PACKAGE + str(bld.env['MAJOR']), libardour_sources,
                        'Paul Davis')
 
 def i18n_mo(bld):
-    autowaf.build_i18n_mo(bld, top, 'libs/ardour', I18N_PACKAGE + str(bld.env['MAJOR']), libardour_sources,
+    autowaf.build_i18n_mo(bld, '.', 'libs/ardour', I18N_PACKAGE + str(bld.env['MAJOR']), libardour_sources,
                        'Paul Davis')
diff --git a/libs/gtkmm2ext/wscript b/libs/gtkmm2ext/wscript
index ca698c63f4..46fb15c5a5 100644
--- a/libs/gtkmm2ext/wscript
+++ b/libs/gtkmm2ext/wscript
@@ -48,7 +48,6 @@ gtkmm2ext_sources = [
 ]
 
 # Mandatory variables
-top = '.'
 out = 'build'
 
 path_prefix = 'libs/gtkmm2ext/'
@@ -100,19 +99,19 @@ def build(bld):
                             mo)
 
 def i18n(bld):
-    autowaf.build_i18n(bld, top, 'libs/gtkmm2ext', I18N_PACKAGE, gtkmm2ext_sources,
+    autowaf.build_i18n(bld, '.', 'libs/gtkmm2ext', I18N_PACKAGE, gtkmm2ext_sources,
                        'Paul Davis')
 
 def i18n_pot(bld):
-    autowaf.build_i18n_pot(bld, top, 'libs/gtkmm2ext', I18N_PACKAGE, gtkmm2ext_sources,
+    autowaf.build_i18n_pot(bld, '.', 'libs/gtkmm2ext', I18N_PACKAGE, gtkmm2ext_sources,
                        'Paul Davis')
 
 def i18n_po(bld):
-    autowaf.build_i18n_po(bld, top, 'libs/gtkmm2ext', I18N_PACKAGE, gtkmm2ext_sources,
+    autowaf.build_i18n_po(bld, '.', 'libs/gtkmm2ext', I18N_PACKAGE, gtkmm2ext_sources,
                        'Paul Davis')
 
 def i18n_mo(bld):
-    autowaf.build_i18n_mo(bld, top, 'libs/gtkmm2ext', I18N_PACKAGE, gtkmm2ext_sources,
+    autowaf.build_i18n_mo(bld, '.', 'libs/gtkmm2ext', I18N_PACKAGE, gtkmm2ext_sources,
                        'Paul Davis')
 
 def shutdown():