diff --git a/api/serializers.py b/api/serializers.py
index cdcf41f7..839a1047 100644
--- a/api/serializers.py
+++ b/api/serializers.py
@@ -623,41 +623,6 @@ class ServiceRegenSerializer(NamespacedHMSerializer):
             'api_url': {'view_name': 'serviceregen-detail'}
         }
 
-# Switches et ports
-
-class InterfaceVlanSerializer(NamespacedHMSerializer):
-    domain = serializers.CharField(read_only=True)
-    ipv4 = serializers.CharField(read_only=True)
-    ipv6 = Ipv6ListSerializer(read_only=True, many=True)
-    vlan_id = serializers.IntegerField(source='type.ip_type.vlan.vlan_id', read_only=True)
-
-    class Meta:
-        model = machines.Interface
-        fields = ('ipv4', 'ipv6', 'domain', 'vlan_id')
-
-class InterfaceRoleSerializer(NamespacedHMSerializer):
-    interface = InterfaceVlanSerializer(source='machine.interface_set', read_only=True, many=True)
-
-    class Meta:
-        model = machines.Interface
-        fields = ('interface',)
-
-
-class RoleSerializer(NamespacedHMSerializer):
-    """Serialize `machines.models.OuverturePort` objects.
-    """
-    servers = InterfaceRoleSerializer(read_only=True, many=True)
-
-    class Meta:
-        model = machines.Role
-        fields = ('role_type', 'servers', 'specific_role')
-
-
-class VlanPortSerializer(NamespacedHMSerializer):
-    class Meta:
-        model = machines.Vlan
-        fields = ('vlan_id', 'name')
-
 
 class ProfilSerializer(NamespacedHMSerializer):
     vlan_untagged = VlanSerializer(read_only=True)