--- a/compat/Makefile
+++ b/compat/Makefile
@@ -70,8 +70,6 @@ quiet_cmd_build_OID_registry = GEN     $
 	cmd_build_OID_registry = perl $(src)/build_OID_registry $< $@
 compat-$(CPTCFG_BPAUTO_ASN1_DECODER) += lib-asn1_decoder.o
 compat-$(CPTCFG_BPAUTO_BUILD_SYSTEM_DATA_VERIFICATION) += lib-oid_registry.o
-skcipher-objs += crypto-skcipher.o
-obj-$(CPTCFG_BPAUTO_CRYPTO_SKCIPHER) += skcipher.o
 compat-$(CPTCFG_BPAUTO_RHASHTABLE) += lib-rhashtable.o
 cordic-objs += lib-cordic.o
 obj-$(CPTCFG_BPAUTO_BUILD_CORDIC) += cordic.o