diff --git a/include/Makefile.am b/include/Makefile.am
index 43f8f25..ab3f58a 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -193,7 +193,6 @@ osmo_asn1_map_HEADERS = \
 	Ext-SS-InfoList.h \
 	Ext-SS-Status.h \
 	Ext-TeleserviceCode.h \
-	f
 	FacilityNotSupParam.h \
 	FailureCause.h \
 	FailureCauseParam.h \