diff --git a/packages/binding-coap/src/coap-server.ts b/packages/binding-coap/src/coap-server.ts
index 649299289..ffb9ffc71 100644
--- a/packages/binding-coap/src/coap-server.ts
+++ b/packages/binding-coap/src/coap-server.ts
@@ -28,7 +28,7 @@ import Servient, {
     createLoggers,
 } from "@node-wot/core";
 import { Socket } from "dgram";
-import { Server, createServer, registerFormat, IncomingMessage, OutgoingMessage, OptionValue } from "coap";
+import { Server, createServer, registerFormat, IncomingMessage, OutgoingMessage } from "coap";
 import slugify from "slugify";
 import { Readable } from "stream";
 import { MdnsIntroducer } from "./mdns-introducer";