https://bugs.gentoo.org/832136
--- a/data/appdata/meson.build
+++ b/data/appdata/meson.build
@@ -1,7 +1,6 @@
 appdata = 'org.gnome.Todo.appdata.xml'
 
 i18n.merge_file(
-  appdata,
   input: appdata + '.in',
   output: appdata,
   po_dir: po_dir,
--- a/data/meson.build
+++ b/data/meson.build
@@ -1,7 +1,6 @@
 desktop = 'org.gnome.Todo.desktop'
 
 i18n.merge_file(
-  desktop,
   type: 'desktop',
   input: desktop + '.in',
   output: desktop,
@@ -13,7 +12,6 @@ i18n.merge_file(
 autostart = 'org.gnome.Todo.Autostart.desktop'
 
 i18n.merge_file(
-  autostart,
   type: 'desktop',
   input: autostart + '.in',
   output: autostart,