diff --git a/src/device/service/drivers/ietf_l3vpn/Tools.py b/src/device/service/drivers/ietf_l3vpn/Tools.py
index eeb0d87f1600979ebc30fd7400f23e3595afb7a4..7caaa27a52cacf03d9822e933f0a6b74fd0e4db8 100644
--- a/src/device/service/drivers/ietf_l3vpn/Tools.py
+++ b/src/device/service/drivers/ietf_l3vpn/Tools.py
@@ -76,222 +76,6 @@ def get_connectivity_service(wim_url, auth, service_uuid):
         raise Exception("Request Timeout", http_code=408)
 
 
-def create_l3vpn_datamodel(service_uuid, resource_value: dict) -> dict:
-    src_device_uuid: str = resource_value["src_device_name"]
-    src_endpoint_uuid: str = resource_value["src_endpoint_name"]
-    src_site_location: str = resource_value["src_site_location"]
-    src_ipv4_lan_prefixes: list[LANPrefixesDict] = resource_value.get(
-        "src_ipv4_lan_prefixes"
-    )
-    src_site_id: str = resource_value.get("src_site_id", f"site_{src_site_location}")
-    src_management_type: str = resource_value.get(
-        "src_management_type", "ietf-l3vpn-svc:provider-managed"
-    )
-    if src_management_type != "ietf-l3vpn-svc:provider-managed":
-        raise Exception("management type %s not supported", src_management_type)
-    src_role: str = "ietf-l3vpn-svc:hub-role"
-    src_ce_address: str = resource_value["src_ce_address"]
-    src_pe_address: str = resource_value["src_pe_address"]
-    src_ce_pe_network_prefix: int = resource_value["src_ce_pe_network_prefix"]
-    src_mtu: int = resource_value["src_mtu"]
-    src_input_bw: int = resource_value.get("src_input_bw", 1000000000)
-    src_output_bw: int = resource_value.get("src_input_bw", 1000000000)
-    src_qos_profile_id = "qos-realtime"
-    src_qos_profile_direction = "ietf-l3vpn-svc:both"
-    src_qos_profile_latency: int = resource_value.get("src_qos_profile_latency", 10)
-    src_qos_profile_bw_guarantee: int = resource_value.get(
-        "src_qos_profile_bw_guarantee", 100
-    )
-
-    dst_device_uuid = resource_value["dst_device_name"]
-    dst_endpoint_uuid = resource_value["dst_endpoint_name"]
-    dst_site_location: str = resource_value["dst_site_location"]
-    dst_ipv4_lan_prefixes: list[LANPrefixesDict] = resource_value[
-        "dst_ipv4_lan_prefixes"
-    ]
-    dst_site_id: str = resource_value.get("dst_site_id", f"site_{dst_site_location}")
-    dst_management_type: str = resource_value.get(
-        "dst_management_type", "ietf-l3vpn-svc:provider-managed"
-    )
-    if dst_management_type != "ietf-l3vpn-svc:provider-managed":
-        raise Exception("management type %s not supported", dst_management_type)
-    dst_role: str = "ietf-l3vpn-svc:spoke-role"
-    dst_ce_address: str = resource_value["dst_ce_address"]
-    dst_pe_address: str = resource_value["dst_pe_address"]
-    dst_ce_pe_network_prefix: int = resource_value["dst_ce_pe_network_prefix"]
-    dst_mtu: int = resource_value["dst_mtu"]
-    dst_input_bw: int = resource_value.get("dst_input_bw", 1000000000)
-    dst_output_bw: int = resource_value.get("dst_output_bw", 1000000000)
-    dst_qos_profile_id = "qos-realtime"
-    dst_qos_profile_direction = "ietf-l3vpn-svc:both"
-    dst_qos_profile_latency: int = resource_value.get("dst_qos_profile_latency", 10)
-    dst_qos_profile_bw_guarantee: int = resource_value.get(
-        "dst_qos_profile_bw_guarantee", 100
-    )
-
-    # Create source site information
-    src_management = {"type": src_management_type}
-    src_locations = {"location": [{"location-id": src_site_location}]}
-    src_devices = {
-        "device": [{"device-id": src_device_uuid, "location": src_site_location}]
-    }
-    src_site_lan_prefixes = [
-        {"lan": lp["lan"], "lan-tag": lp["lan_tag"], "next-hop": src_pe_address}
-        for lp in src_ipv4_lan_prefixes
-    ]
-    src_site_routing_protocols = {
-        "routing-protocol": [
-            {
-                "type": "ietf-l3vpn-svc:static",
-                "static": {
-                    "cascaded-lan-prefixes": {
-                        "ipv4-lan-prefixes": src_site_lan_prefixes
-                    }
-                },
-            }
-        ]
-    }
-    src_site_network_accesses = {
-        "site-network-access": [
-            {
-                "site-network-access-id": src_endpoint_uuid,
-                "site-network-access-type": SITE_NETWORK_ACCESS_TYPE,
-                "device-reference": src_device_uuid,
-                "vpn-attachment": {"vpn-id": service_uuid, "site-role": src_role},
-                "ip-connection": {
-                    "ipv4": {
-                        "address-allocation-type": "ietf-l3vpn-svc:static-address",
-                        "addresses": {
-                            "provider-address": src_pe_address,
-                            "customer-address": src_ce_address,
-                            "prefix-length": src_ce_pe_network_prefix,
-                        },
-                    }
-                },
-                "service": {
-                    "svc-mtu": src_mtu,
-                    "svc-input-bandwidth": src_input_bw,
-                    "svc-output-bandwidth": src_output_bw,
-                    "qos": {
-                        "qos-profile": {
-                            "classes": {
-                                "class": [
-                                    {
-                                        "class-id": src_qos_profile_id,
-                                        "direction": src_qos_profile_direction,
-                                        "latency": {
-                                            "latency-boundary": src_qos_profile_latency
-                                        },
-                                        "bandwidth": {
-                                            "guaranteed-bw-percent": src_qos_profile_bw_guarantee
-                                        },
-                                    }
-                                ]
-                            }
-                        }
-                    },
-                },
-            }
-        ]
-    }
-
-    # Create destination site information
-    dst_management = {"type": src_management_type}
-    dst_locations = {"location": [{"location-id": dst_site_location}]}
-    dst_devices = {
-        "device": [{"device-id": dst_device_uuid, "location": dst_site_location}]
-    }
-    dst_site_lan_prefixes = [
-        {"lan": lp["lan"], "lan-tag": lp["lan_tag"], "next-hop": dst_pe_address}
-        for lp in dst_ipv4_lan_prefixes
-    ]
-    dst_site_routing_protocols = {
-        "routing-protocol": [
-            {
-                "type": "ietf-l3vpn-svc:static",
-                "static": {
-                    "cascaded-lan-prefixes": {
-                        "ipv4-lan-prefixes": dst_site_lan_prefixes
-                    }
-                },
-            }
-        ]
-    }
-    dst_site_network_accesses = {
-        "site-network-access": [
-            {
-                "site-network-access-id": dst_endpoint_uuid,
-                "site-network-access-type": SITE_NETWORK_ACCESS_TYPE,
-                "device-reference": dst_device_uuid,
-                "vpn-attachment": {"vpn-id": service_uuid, "site-role": dst_role},
-                "ip-connection": {
-                    "ipv4": {
-                        "address-allocation-type": "ietf-l3vpn-svc:static-address",
-                        "addresses": {
-                            "provider-address": dst_pe_address,
-                            "customer-address": dst_ce_address,
-                            "prefix-length": dst_ce_pe_network_prefix,
-                        },
-                    }
-                },
-                "service": {
-                    "svc-mtu": dst_mtu,
-                    "svc-input-bandwidth": dst_input_bw,
-                    "svc-output-bandwidth": dst_output_bw,
-                    "qos": {
-                        "qos-profile": {
-                            "classes": {
-                                "class": [
-                                    {
-                                        "class-id": dst_qos_profile_id,
-                                        "direction": dst_qos_profile_direction,
-                                        "latency": {
-                                            "latency-boundary": dst_qos_profile_latency
-                                        },
-                                        "bandwidth": {
-                                            "guaranteed-bw-percent": dst_qos_profile_bw_guarantee
-                                        },
-                                    }
-                                ]
-                            }
-                        }
-                    },
-                },
-            }
-        ]
-    }
-
-    sites = {
-        "site": [
-            {
-                "site-id": src_site_id,
-                "management": src_management,
-                "locations": src_locations,
-                "devices": src_devices,
-                "routing-protocols": src_site_routing_protocols,
-                "site-network-accesses": src_site_network_accesses,
-            },
-            {
-                "site-id": dst_site_id,
-                "management": dst_management,
-                "locations": dst_locations,
-                "devices": dst_devices,
-                "routing-protocols": dst_site_routing_protocols,
-                "site-network-accesses": dst_site_network_accesses,
-            },
-        ]
-    }
-
-    l3_vpn_data_model = {
-        "ietf-l3vpn-svc:l3vpn-svc": {
-            "vpn-services": {"vpn-service": [{"vpn-id": service_uuid}]},
-            "sites": sites,
-        }
-    }
-
-    return l3_vpn_data_model
-
-
 def process_optional_string_field(
     endpoint_data: Dict[str, Any],
     field_name: str,
diff --git a/src/device/service/drivers/ietf_l3vpn/driver.py b/src/device/service/drivers/ietf_l3vpn/driver.py
index cdab75625455bfdc77b6eb9295f407adff03427c..2aca83b6a645bf2e793b08841949813f0413a531 100644
--- a/src/device/service/drivers/ietf_l3vpn/driver.py
+++ b/src/device/service/drivers/ietf_l3vpn/driver.py
@@ -42,11 +42,7 @@ from device.service.driver_api.ImportTopologyEnum import (
 
 from .Constants import SPECIAL_RESOURCE_MAPPINGS
 from .TfsApiClient import TfsApiClient
-from .Tools import (
-    compose_resource_endpoint,
-    create_l3vpn_datamodel,
-    service_exists,
-)
+from .Tools import compose_resource_endpoint
 
 LOGGER = logging.getLogger(__name__)
 
@@ -245,18 +241,12 @@ class IetfL3VpnDriver(_Driver):
                         service_id = resource_value["ietf-l3vpn-svc:l3vpn-svc"][
                             "vpn-services"
                         ]["vpn-service"][0]["vpn-id"]
-                        l3vpn_datamodel = create_l3vpn_datamodel(
-                            service_id, resource_value, operation_type
-                        )
-                        self.tac.create_connectivity_service(l3vpn_datamodel)
+                        self.tac.create_connectivity_service(resource_value)
                     elif operation_type == "update":
                         service_id = resource_value["ietf-l3vpn-svc:l3vpn-svc"][
                             "vpn-services"
                         ]["vpn-service"][0]["vpn-id"]
-                        l3vpn_datamodel = create_l3vpn_datamodel(
-                            service_id, resource_value, operation_type
-                        )
-                        self.tac.update_connectivity_service(l3vpn_datamodel)
+                        self.tac.update_connectivity_service(resource_value)
                     else:
                         raise Exception("operation type not supported")
                     results.append((resource_key, True))