diff --git a/smf/smf.yaml b/smf/smf.yaml
index 5ac76a7..bd3e448 100644
--- a/smf/smf.yaml
+++ b/smf/smf.yaml
@@ -41,19 +41,15 @@ smf:
       - subnet: UE_IPV4_INTERNET_SUBNET
         gateway: UE_IPV4_INTERNET_TUN_IP
         dnn: internet
-        dev: ogstun
       - subnet: 2001:230:cafe::/48
         gateway: 2001:230:cafe::1
         dnn: internet
-        dev: ogstun
       - subnet: UE_IPV4_IMS_SUBNET
         gateway: UE_IPV4_IMS_TUN_IP
         dnn: ims
-        dev: ogstun2
       - subnet: 2001:230:babe::/48
         gateway: 2001:230:babe::1
         dnn: ims
-        dev: ogstun2
     dns:
       - SMF_DNS1
       - SMF_DNS2
diff --git a/smf/smf_4g.yaml b/smf/smf_4g.yaml
index 8d5f6e9..c16bec3 100644
--- a/smf/smf_4g.yaml
+++ b/smf/smf_4g.yaml
@@ -32,19 +32,15 @@ smf:
       - subnet: UE_IPV4_INTERNET_SUBNET
         gateway: UE_IPV4_INTERNET_TUN_IP
         dnn: internet
-        dev: ogstun
       - subnet: 2001:230:cafe::/48
         gateway: 2001:230:cafe::1
         dnn: internet
-        dev: ogstun
       - subnet: UE_IPV4_IMS_SUBNET
         gateway: UE_IPV4_IMS_TUN_IP
         dnn: ims
-        dev: ogstun2
       - subnet: 2001:230:babe::/48
         gateway: 2001:230:babe::1
         dnn: ims
-        dev: ogstun2
     dns:
       - SMF_DNS1
       - SMF_DNS2