diff --git a/samples/net/dns_client/prj_frdm_k64f.conf b/samples/net/dns_client/prj_frdm_k64f.conf
index 55e8fbd3437..dbeae1696d4 100644
--- a/samples/net/dns_client/prj_frdm_k64f.conf
+++ b/samples/net/dns_client/prj_frdm_k64f.conf
@@ -14,14 +14,6 @@ CONFIG_NET_IPV6_RA_RDNSS=y
 CONFIG_NET_IFACE_UNICAST_IPV4_ADDR_COUNT=3
 CONFIG_NET_NBUF_DATA_COUNT=16
 
-# Ethernet Device
-CONFIG_ETH_KSDK=y
-CONFIG_ETH_KSDK_0=y
-CONFIG_ETH_KSDK_0_RANDOM_MAC=n
-CONFIG_ETH_KSDK_0_MAC3=12
-CONFIG_ETH_KSDK_0_MAC4=13
-CONFIG_ETH_KSDK_0_MAC5=14
-
 CONFIG_PRINTK=y
 #CONFIG_NET_DEBUG_NET_BUF=y