diff --git a/config-mpi b/config-mpi
index c937fd03517b1..771734b274e1a 100644
--- a/config-mpi
+++ b/config-mpi
@@ -828,9 +828,9 @@ CONFIG_CRYPTO_SHA256=y
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_DES=y
 CONFIG_ASYMMETRIC_KEY_TYPE=y
-CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y
-CONFIG_X509_CERTIFICATE_PARSER=y
-CONFIG_PKCS7_MESSAGE_PARSER=y
+CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m
+CONFIG_X509_CERTIFICATE_PARSER=m
+CONFIG_PKCS7_MESSAGE_PARSER=m
 CONFIG_SYSTEM_TRUSTED_KEYRING=y
 CONFIG_CRC16=y
 CONFIG_CRC_ITU_T=y