diff --git a/lib/mode/dynamic.js b/lib/mode/dynamic.js
index 9cbcc9cf..a03a4d00 100644
--- a/lib/mode/dynamic.js
+++ b/lib/mode/dynamic.js
@@ -15,7 +15,7 @@ module.exports = function (fastify, opts, done) {
     transformObject: null,
     decorator: 'swagger',
     refResolver: {
-      buildLocalReference (json, baseUri, fragment, i) {
+      buildLocalReference (json, _baseUri, _fragment, i) {
         if (!json.title && json.$id) {
           json.title = json.$id
         }
diff --git a/test/spec/openapi/refs.js b/test/spec/openapi/refs.js
index 27c91458..7dec4116 100644
--- a/test/spec/openapi/refs.js
+++ b/test/spec/openapi/refs.js
@@ -8,7 +8,7 @@ const fastifySwagger = require('../../../index')
 const openapiOption = {
   openapi: {},
   refResolver: {
-    buildLocalReference: (json, baseUri, fragment, i) => {
+    buildLocalReference: (json, _baseUri, _fragment, i) => {
       return json.$id || `def-${i}`
     }
   }
diff --git a/test/spec/swagger/refs.js b/test/spec/swagger/refs.js
index bd75d016..6f8837e8 100644
--- a/test/spec/swagger/refs.js
+++ b/test/spec/swagger/refs.js
@@ -20,7 +20,7 @@ test('support $ref schema', async t => {
 
   await fastify.register(fastifySwagger)
 
-  fastify.register((instance, opts, next) => {
+  fastify.register((instance, _opts, next) => {
     instance.addSchema({
       $id: 'subschema-two',
       type: 'object',
@@ -29,7 +29,7 @@ test('support $ref schema', async t => {
       }
     })
 
-    instance.register((subinstance, opts, next) => {
+    instance.register((subinstance, _opts, next) => {
       subinstance.addSchema({
         $id: 'subschema-three',
         type: 'object',
@@ -67,7 +67,7 @@ test('support nested $ref schema : complex case', async (t) => {
   const options = {
     swagger: {},
     refResolver: {
-      buildLocalReference: (json, baseUri, fragment, i) => {
+      buildLocalReference: (json, _baseUri, _fragment, i) => {
         return json.$id || `def-${i}`
       }
     }
diff --git a/test/types/types.test.ts b/test/types/types.test.ts
index b5b4f260..8adeb06c 100644
--- a/test/types/types.test.ts
+++ b/test/types/types.test.ts
@@ -45,7 +45,7 @@ const fastifyDynamicSwaggerOptions: SwaggerOptions = {
   hideUntagged: true,
   stripBasePath: true,
   refResolver: {
-    buildLocalReference: (json, baseUri, fragment, i) => `${fragment}-${i}`
+    buildLocalReference: (_json, _baseUri, fragment, i) => `${fragment}-${i}`
   }
 }
 app.register(fastifySwagger, fastifyDynamicSwaggerOptions)
@@ -85,7 +85,7 @@ app.put('/image.png', {
       }
     }
   }
-}, async (req, reply) => {
+}, async (_req, reply) => {
   reply
     .type('image/png')
     .send(Buffer.from('iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAIAAAACDbGyAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAAEnQAABJ0Ad5mH3gAAAAgSURBVBhXY/iPCkB8BgYkEiSIBICiCCEoB0SBwf///wGHRzXLSklJLQAAAABJRU5ErkJggg==', 'base64'))