diff --git a/SoObjects/SOGo/GNUmakefile b/SoObjects/SOGo/GNUmakefile
index f699f0f19..b3c769523 100644
--- a/SoObjects/SOGo/GNUmakefile
+++ b/SoObjects/SOGo/GNUmakefile
@@ -28,7 +28,6 @@ libSOGo_HEADER_FILES = \
 	SOGoGroupFolder.h		\
 	SOGoCustomGroupFolder.h		\
 	\
-	SOGoAppointment.h		\
 	AgenorUserManager.h		\
 	SOGoLRUCache.h			\
 	NSString+iCal.h			\
@@ -47,8 +46,6 @@ libSOGo_OBJC_FILES = \
 	SOGoGroupFolder.m		\
 	SOGoCustomGroupFolder.m		\
 	\
-	SOGoAppointment.m		\
-	SOGoAppointmentICalRenderer.m	\
 	SOGoLRUCache.m			\
 	AgenorUserManager.m		\
 	NSObject+AptComparison.m	\
diff --git a/UI/Scheduler/GNUmakefile b/UI/Scheduler/GNUmakefile
index 5603fa7b9..482cf71c2 100644
--- a/UI/Scheduler/GNUmakefile
+++ b/UI/Scheduler/GNUmakefile
@@ -11,7 +11,6 @@ SchedulerUI_LANGUAGES = English French German
 SchedulerUI_OBJC_FILES =		\
 	SchedulerUIProduct.m		\
 	iCalPerson+UIx.m		\
-	SOGoAppointment+UIx.m		\
 	NSCalendarDate+Scheduler.m	\
 					\
 	UIxCalMainView.m		\
@@ -54,8 +53,6 @@ SchedulerUI_OBJC_FILES =		\
 	UIxCalInlineAptView.m		\
 	UIxCalScheduleOverview.m	\
 	UIxCalParticipationStatusView.m	\
-	\
-	iCalRecurrenceRule+SOGo.m	\
 
 SchedulerUI_RESOURCE_FILES += \
 	Version		\