--- mate-session-manager-1.22.0/mate-session/Makefile.am	2019-02-10 14:54:15.000000000 +0000
+++ mate-session-manager-1.22.0/mate-session/Makefile.am.new	2019-03-24 09:56:17.690522706 +0000
@@ -26,8 +26,6 @@ mate_session_SOURCES =				\
 	gsm-marshal.c				\
 	gsm-consolekit.c			\
 	gsm-consolekit.h			\
-	gsm-systemd.c 				\
-	gsm-systemd.h				\
 	gsm-logout-dialog.h			\
 	gsm-logout-dialog.c			\
 	gsm-inhibit-dialog.h			\