diff --git a/models/tosca/deleteOnt.go b/models/tosca/deleteOnt.go
new file mode 100644
index 0000000..5854d57
--- /dev/null
+++ b/models/tosca/deleteOnt.go
@@ -0,0 +1,78 @@
+/*
+   Copyright 2017 the original author or authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+package tosca
+
+import (
+	"fmt"
+
+	yaml "gopkg.in/yaml.v2"
+)
+
+// type: tosca.nodes.ONUDevice
+var ontDeleteTemplate = `tosca_definitions_version: tosca_simple_yaml_1_0
+imports:
+  - custom_types/onudevice.yaml
+description: Delete an ont
+topology_template:
+  node_templates:
+    device#onu:
+      type: tosca.nodes.ONUDevice
+      properties:
+        serial_number:`
+
+/*var ontDeleteTemplate = `tosca_definitions_version: tosca_simple_yaml_1_0
+imports:
+  - custom_types/onudevice.yaml
+description: Create a simulated OLT Device in VOLTHA
+topology_template:
+  node_templates:
+    device#onu:
+      type: something
+      properties:
+        serial_number:`*/
+
+type OntDelete struct {
+	ToscaDefinitionsVersion string   `yaml:"tosca_definitions_version"`
+	Imports                 []string `yaml:"imports"`
+	Description             string   `yaml:"description"`
+	TopologyTemplate        struct {
+		NodeTemplates struct {
+			DeviceOnt struct {
+				DeviceType string `yaml:"type"`
+				Properties struct {
+					SerialNumber string `yaml:"serial_number"`
+				} `yaml:"properties"`
+			} `yaml:"device#onu"`
+		} `yaml:"node_templates"`
+	} `yaml:"topology_template"`
+}
+
+func NewOntDelete(serialNumber string) OntDelete {
+	o := OntDelete{}
+	err := yaml.Unmarshal([]byte(ontDeleteTemplate), &o)
+	if err != nil {
+		fmt.Println(err)
+	}
+	props := &o.TopologyTemplate.NodeTemplates.DeviceOnt.Properties
+	props.SerialNumber = serialNumber
+	return o
+
+}
+func (ont *OntDelete) ToYaml() (string, error) {
+	b, err := yaml.Marshal(ont)
+	ret := string(b)
+	return ret, err
+}