--- src/wingpanel/meson.build	2018-12-02 05:28:40.983643676 +0900
+++ src/wingpanel/meson.build.new	2018-12-02 05:29:34.203643745 +0900
@@ -38,7 +38,6 @@
 subdir('lib')
 subdir('schemas')
 subdir('src')
-subdir('wingpanel-interface')
 if get_option('example')
     subdir('sample')
 endif