diff --git a/src/PVE/API2/Makefile b/src/PVE/API2/Makefile
index c369019..7991c4c 100644
--- a/src/PVE/API2/Makefile
+++ b/src/PVE/API2/Makefile
@@ -2,7 +2,6 @@
 API2_SOURCES= 		 	\
 	AccessControl.pm 	\
 	Domains.pm	 	\
-	RealmSync.pm	 	\
 	ACL.pm		 	\
 	Role.pm		 	\
 	Group.pm	 	\