diff -ur linux-5.9/net/ipv4/netfilter.org/Makefile linux-5.9/net/ipv4/netfilter/Makefile
--- linux-5.9/net/ipv4/netfilter.org/Makefile 2020-10-11 23:15:50.000000000 +0200
+++ linux-5.9/net/ipv4/netfilter/Makefile 2020-11-03 13:07:22.874511004 +0100
-@@ -48,6 +48,7 @@
+@@ -48,5 +48,6 @@
# targets
- obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o
obj-$(CONFIG_IP_NF_TARGET_ECN) += ipt_ECN.o
+obj-$(CONFIG_IP_NF_TARGET_IPV4OPTSSTRIP) += ipt_IPV4OPTSSTRIP.o
obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o