--- Libc/Libc-763.11/net/Makefile.inc
+++ Libc/Libc-583/net/Makefile.inc
@@ -12,7 +12,7 @@
 FBSDMISRCS= addr2ascii.c ascii2addr.c inet_addr.c inet_lnaof.c \
 	inet_makeaddr.c inet_net_ntop.c inet_net_pton.c inet_neta.c \
 	inet_netof.c inet_network.c inet_ntoa.c linkaddr.c nsap_addr.c \
-	recv.c send.c sockatmark.c sourcefilter.c
+	recv.c send.c sockatmark.c
 .include "Makefile.fbsd_end"
 
 LEGACYSRCS+= recv.c send.c
@@ -26,7 +26,7 @@
 .if ${LIB} == "c"
 MAN3+=	byteorder.3 ethers.3 rcmdsh.3
 .include "Makefile.fbsd_begin"
-FBSDMAN3= addr2ascii.3 inet.3 inet_net.3 linkaddr.3 sockatmark.3 sourcefilter.3
+FBSDMAN3= addr2ascii.3 inet.3 inet_net.3 linkaddr.3 sockatmark.3
 .include "Makefile.fbsd_end"
 
 MLINKS+= addr2ascii.3 ascii2addr.3
@@ -60,10 +60,4 @@
 
 MLINKS+= linkaddr.3 link_addr.3		\
          linkaddr.3 link_ntoa.3
-
-MLINKS+= sourcefilter.3 getsourcefilter.3	\
-         sourcefilter.3 getipv4sourcefilter.3	\
-         sourcefilter.3 setsourcefilter.3	\
-         sourcefilter.3 setipv4sourcefilter.3
-
 .endif