diff --git a/core/mediator.go b/core/mediator.go
index 2bf2c40..ee25264 100644
--- a/core/mediator.go
+++ b/core/mediator.go
@@ -26,7 +26,6 @@
 	"sync"
 
 	"gerrit.opencord.org/voltha-bbsim/common/logger"
-	"gerrit.opencord.org/voltha-bbsim/protos"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -126,10 +125,7 @@
 func (m *mediator) Start() {
 	var wg sync.WaitGroup
 	opt := m.opt
-	omciOut := make(chan openolt.OmciMsg, 1024)
-	omciIn := make(chan openolt.OmciIndication, 1024)
-	go OmciRun(omciOut, omciIn)
-	server := NewCore(opt, omciOut, omciIn)
+	server := NewCore(opt)
 	wg.Add(1)
 	go func() {
 		if err := server.Start(); err != nil { //Blocking