-header-test- += net/netfilter/nf_tables.h
-header-test- += net/netfilter/nf_tables_core.h
-header-test- += net/netfilter/nf_tables_ipv4.h
+header-test-$(CONFIG_NF_TABLES) += net/netfilter/nf_tables.h
+header-test-$(CONFIG_NF_TABLES) += net/netfilter/nf_tables_core.h
+header-test-$(CONFIG_NF_TABLES) += net/netfilter/nf_tables_ipv4.h