diff --git a/src/core/devices/wwan/nm-modem-broadband.c b/src/core/devices/wwan/nm-modem-broadband.c
index cbf30f565c..997fe72729 100644
--- a/src/core/devices/wwan/nm-modem-broadband.c
+++ b/src/core/devices/wwan/nm-modem-broadband.c
@@ -1032,7 +1032,6 @@ stage3_ip_config_start(NMModem *modem, int addr_family, NMModemIPMethod ip_metho
         l3cd = nm_l3_config_data_new(nm_platform_get_multi_idx(NM_PLATFORM_GET),
                                      ifindex,
                                      NM_IP_CONFIG_SOURCE_WWAN);
-        nm_l3_config_data_set_dns_priority(l3cd, AF_INET, 0);
 
         address = (NMPlatformIP4Address){
             .address      = address_network,
@@ -1116,11 +1115,9 @@ stage3_ip_config_start(NMModem *modem, int addr_family, NMModemIPMethod ip_metho
 
         _LOGI("IPv6 base configuration:");
 
-        l3cd = nm_l3_config_data_new(nm_platform_get_multi_idx(NM_PLATFORM_GET),
+        l3cd    = nm_l3_config_data_new(nm_platform_get_multi_idx(NM_PLATFORM_GET),
                                      ifindex,
                                      NM_IP_CONFIG_SOURCE_WWAN);
-        nm_l3_config_data_set_dns_priority(l3cd, AF_INET6, 0);
-
         do_auto = TRUE;
 
         address.plen = mm_bearer_ip_config_get_prefix(self->_priv.ipv6_config);
diff --git a/src/core/ppp/nm-ppp-manager.c b/src/core/ppp/nm-ppp-manager.c
index 5c2b7681bb..003a9806a0 100644
--- a/src/core/ppp/nm-ppp-manager.c
+++ b/src/core/ppp/nm-ppp-manager.c
@@ -545,7 +545,6 @@ impl_ppp_manager_set_ip4_config(NMDBusObject                      *obj,
                                  NM_IP_CONFIG_SOURCE_PPP);
 
     nm_l3_config_data_set_mtu(l3cd, mtu);
-    nm_l3_config_data_set_dns_priority(l3cd, AF_INET, 0);
 
     address = (NMPlatformIP4Address){
         .plen = 32,
@@ -661,7 +660,6 @@ impl_ppp_manager_set_ip6_config(NMDBusObject                      *obj,
                                  NM_IP_CONFIG_SOURCE_PPP);
 
     nm_l3_config_data_set_mtu(l3cd, mtu);
-    nm_l3_config_data_set_dns_priority(l3cd, AF_INET6, 0);
 
     address = (NMPlatformIP6Address){
         .plen        = 64,