diff --git a/protos/voltha_protos/adapter_service.proto b/protos/voltha_protos/adapter_service.proto
index 08578a4..31891ce 100755
--- a/protos/voltha_protos/adapter_service.proto
+++ b/protos/voltha_protos/adapter_service.proto
@@ -85,4 +85,8 @@
     rpc SetExtValue(core_adapter.SetExtValueMessage) returns (google.protobuf.Empty);
     rpc GetSingleValue(extension.SingleGetValueRequest) returns (extension.SingleGetValueResponse);
     rpc SetSingleValue(extension.SingleSetValueRequest) returns (extension.SingleSetValueResponse);
+    rpc DisableOnuDevice (device.Device) returns(google.protobuf.Empty);
+    rpc EnableOnuDevice (device.Device) returns(google.protobuf.Empty);
+    rpc DisableOnuSerialNumber(device.OnuSerialNumberOnOLTPon) returns (google.protobuf.Empty);
+    rpc EnableOnuSerialNumber(device.OnuSerialNumberOnOLTPon) returns (google.protobuf.Empty);
 }