diff --git a/config-s390x b/config-s390x
index 0da596510..f75b1ec48 100644
--- a/config-s390x
+++ b/config-s390x
@@ -266,6 +266,8 @@ CONFIG_SCM_BLOCK_CLUSTER_WRITE=y
 # CONFIG_I2C_PARPORT is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_NFORCE2 is not set
+# CONFIG_PTP_1588_CLOCK is not set
+# CONFIG_PPS is not set
 
 # CONFIG_PHYLIB is not set
 # CONFIG_ATM_DRIVERS is not set