diff --git a/nucleus/controller.go b/nucleus/controller.go
deleted file mode 100644
index 1c7edae0d43013e7bef2ab9f720ac0a2d12de2dd..0000000000000000000000000000000000000000
--- a/nucleus/controller.go
+++ /dev/null
@@ -1,49 +0,0 @@
-package nucleus
-
-import (
-	"fmt"
-	"github.com/openconfig/ygot/ygot"
-	"net"
-	yangPro "gosdn/yang-processor"
-)
-
-// This is a test function in order to see how to generate JSON encoded openconfig stuff
-
-func AssembleJSON() {
-	// Build my device
-	d := &yangPro.Device{}
-
-	interfaces, _ := net.Interfaces()
-	for _, iface := range interfaces {
-		fmt.Println(iface.Name)
-
-		i, err := d.NewInterface(iface.Name)
-		if err != nil {
-			panic(err)
-		}
-		i.Mtu = ygot.Uint16(234)
-		//i.Mtu = ygot.Uint16(iface.MTU)
-	}
-
-	// EmitJSON from the ygot library directly does .Validate() and outputs JSON in
-	// the specified format.
-	json, err := ygot.EmitJSON(d, &ygot.EmitJSONConfig{
-		Format: ygot.RFC7951,
-		Indent: "  ",
-		RFC7951Config: &ygot.RFC7951JSONConfig{
-			AppendModuleName: true,
-		},
-	})
-	if err != nil {
-		panic(fmt.Sprintf("JSON demo error: %v", err))
-	}
-	fmt.Println(json)
-
-	// and now try to read the data from it...
-	// Device struct to unmarshal into.
-	loadd := &yangPro.Device{}
-	if err := yangPro.Unmarshal([]byte(json), loadd); err != nil {
-		panic(fmt.Sprintf("Cannot unmarshal JSON: %v", err))
-	}
-
-}
\ No newline at end of file