diff --git a/target/linux/cavium-octeon/config-default b/target/linux/cavium-octeon/config-default
index 45a85109c..c60d0c70a 100644
--- a/target/linux/cavium-octeon/config-default
+++ b/target/linux/cavium-octeon/config-default
@@ -297,8 +297,6 @@ CONFIG_PROC_PAGE_MONITOR=y
 # CONFIG_PROVE_LOCKING is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 CONFIG_RELAY=y
-CONFIG_RTC_CLASS=y
-CONFIG_RTC_DRV_M48T86=y
 # CONFIG_RTL8187SE is not set
 # CONFIG_RT_GROUP_SCHED is not set
 # CONFIG_RT_MUTEX_TESTER is not set