diff --git a/test/auth.test.js b/test/auth.test.js
index 5cefb82..d0d63b5 100644
--- a/test/auth.test.js
+++ b/test/auth.test.js
@@ -24,7 +24,7 @@ test('Clean status code through auth pipeline', (t, done) => {
   app.register(fastifyAuth)
     .after(() => {
       app.addHook('preHandler', app.auth([failWithCode('one', 501), failWithCode('two', 502)]))
-      app.get('/', (req, res) => res.send(42))
+      app.get('/', (_req, res) => res.send(42))
     })
 
   app.inject({
@@ -51,7 +51,7 @@ test('defaultRelation: used when relation not specified', async (t) => {
     method: 'GET',
     url: '/welcome',
     preHandler: app.auth([successWithCode('one', 200), failWithCode('two', 502)]),
-    handler: async (req, reply) => {
+    handler: async (_req, reply) => {
       console.log('fawzihandler1')
       await reply.send({ hello: 'welcome' })
     }
@@ -61,7 +61,7 @@ test('defaultRelation: used when relation not specified', async (t) => {
     method: 'GET',
     url: '/bye',
     preHandler: app.auth([failWithCode('one', 503), successWithCode('two', 200)], { relation: 'or' }),
-    handler: (req, reply) => {
+    handler: (_req, reply) => {
       reply.send({ hello: 'bye' })
     }
   })
@@ -89,7 +89,7 @@ test('Options: non-array functions input', (t, done) => {
   app.register(fastifyAuth).after(() => {
     try {
       app.addHook('preHandler', app.auth('bogus'))
-      app.get('/', (req, res) => res.send(42))
+      app.get('/', (_req, res) => res.send(42))
     } catch (error) {
       t.assert.ok(error)
       t.assert.strictEqual(error.message, 'You must give an array of functions to the auth function')
@@ -113,7 +113,7 @@ test('Options: empty array functions input', (t, done) => {
   app.register(fastifyAuth).after(() => {
     try {
       app.addHook('preHandler', app.auth([]))
-      app.get('/', (req, res) => res.send(42))
+      app.get('/', (_req, res) => res.send(42))
     } catch (error) {
       t.assert.ok(error)
       t.assert.strictEqual(error.message, 'Missing auth functions')
@@ -137,7 +137,7 @@ test('Options: faulty relation', (t, done) => {
   app.register(fastifyAuth).after(() => {
     try {
       app.addHook('preHandler', app.auth([successWithCode('one', 201)], { relation: 'foo' }))
-      app.get('/', (req, res) => res.send(42))
+      app.get('/', (_req, res) => res.send(42))
     } catch (error) {
       t.assert.ok(error)
       t.assert.strictEqual(error.message, 'The value of options.relation should be one of [\'or\', \'and\']')
@@ -161,7 +161,7 @@ test('Options: faulty run', (t, done) => {
   app.register(fastifyAuth).after(() => {
     try {
       app.addHook('preHandler', app.auth([successWithCode('one', 201)], { run: 'foo' }))
-      app.get('/', (req, res) => res.send(42))
+      app.get('/', (_req, res) => res.send(42))
     } catch (error) {
       t.assert.ok(error)
       t.assert.strictEqual(error.message, 'The value of options.run must be \'all\'')
@@ -185,7 +185,7 @@ test('Avoid status code overwriting', (t, done) => {
   app.register(fastifyAuth)
     .after(() => {
       app.addHook('preHandler', app.auth([successWithCode('one', 201), successWithCode('two', 202)]))
-      app.get('/', (req, res) => res.send(42))
+      app.get('/', (_req, res) => res.send(42))
     })
 
   app.inject({
@@ -209,7 +209,7 @@ test('Last win when all failures', (t, done) => {
   app.register(fastifyAuth)
     .after(() => {
       app.addHook('preHandler', app.auth([failWithCode('one', 501), failWithCode('two', 502)]))
-      app.get('/', (req, res) => res.send(42))
+      app.get('/', (_req, res) => res.send(42))
     })
 
   app.inject({
@@ -232,7 +232,7 @@ test('First success win', (t, done) => {
   app.register(fastifyAuth)
     .after(() => {
       app.addHook('preHandler', app.auth([successWithCode('one', 201), successWithCode('two', 202)]))
-      app.get('/', (req, res) => res.send(42))
+      app.get('/', (_req, res) => res.send(42))
     })
 
   app.inject({
diff --git a/test/example-async.js b/test/example-async.js
index 192d8d6..b96bd6c 100644
--- a/test/example-async.js
+++ b/test/example-async.js
@@ -17,7 +17,7 @@ function build (opts) {
     const jwt = this.jwt
     const level = this.level['authdb-async']
 
-    if (request.body && request.body.failureWithReply) {
+    if (request.body?.failureWithReply) {
       reply.code(401).send({ error: 'Unauthorized' })
       return Promise.reject(new Error())
     }
@@ -44,7 +44,7 @@ function build (opts) {
     })
   }
 
-  function verifyUserAndPassword (request, reply, done) {
+  function verifyUserAndPassword (request, _reply, done) {
     const level = this.level['authdb-async']
 
     level.get(request.body.user, onUser)
diff --git a/test/example-composited.js b/test/example-composited.js
index 6d3163c..adf8249 100644
--- a/test/example-composited.js
+++ b/test/example-composited.js
@@ -15,7 +15,7 @@ function build (opts) {
   fastify.decorate('verifyOddAsync', verifyOddAsync)
   fastify.decorate('verifyBigAsync', verifyBigAsync)
 
-  function verifyNumber (request, reply, done) {
+  function verifyNumber (request, _reply, done) {
     const n = request.body.n
 
     if (typeof (n) !== 'number') {
@@ -27,7 +27,7 @@ function build (opts) {
     return done()
   }
 
-  function verifyOdd (request, reply, done) {
+  function verifyOdd (request, _reply, done) {
     const n = request.body.n
 
     if (typeof (n) !== 'number' || n % 2 === 0) {
@@ -39,7 +39,7 @@ function build (opts) {
     return done()
   }
 
-  function verifyBig (request, reply, done) {
+  function verifyBig (request, _reply, done) {
     const n = request.body.n
 
     if (typeof (n) !== 'number' || n < 100) {
@@ -75,7 +75,7 @@ function build (opts) {
     fastify.route({
       method: 'GET',
       url: '/',
-      handler: (req, reply) => {
+      handler: (_req, reply) => {
         reply.send({ hello: 'world' })
       }
     })
diff --git a/test/example-composited.test.js b/test/example-composited.test.js
index 017a871..02b5aa6 100644
--- a/test/example-composited.test.js
+++ b/test/example-composited.test.js
@@ -660,13 +660,13 @@ test('Check run all line fail with AND', (t, done) => {
       method: 'GET',
       url: '/run-all-pipe',
       preHandler: fastify.auth([
-        (request, reply, done) => { t.assert.ok('executed 1'); done() },
-        (request, reply, done) => { t.assert.ok('executed 2'); done(new Error('second')) },
-        (request, reply, done) => { t.assert.ok('executed 3'); done() },
-        (request, reply, done) => { t.assert.ok('executed 4'); done() },
-        (request, reply, done) => { t.assert.ok('executed 5'); done(new Error('fifth')) }
+        (_request, _reply, done) => { t.assert.ok('executed 1'); done() },
+        (_request, _reply, done) => { t.assert.ok('executed 2'); done(new Error('second')) },
+        (_request, _reply, done) => { t.assert.ok('executed 3'); done() },
+        (_request, _reply, done) => { t.assert.ok('executed 4'); done() },
+        (_request, _reply, done) => { t.assert.ok('executed 5'); done(new Error('fifth')) }
       ], { relation: 'and', run: 'all' }),
-      handler: (req, reply) => { reply.send({ hello: 'world' }) }
+      handler: (_req, reply) => { reply.send({ hello: 'world' }) }
     })
   })
 
@@ -693,13 +693,13 @@ test('Check run all line with AND', (t, done) => {
       method: 'GET',
       url: '/run-all-pipe',
       preHandler: fastify.auth([
-        (request, reply, done) => { t.assert.ok('executed 1'); done() },
-        (request, reply, done) => { t.assert.ok('executed 2'); done() },
-        (request, reply, done) => { t.assert.ok('executed 3'); done() },
-        (request, reply, done) => { t.assert.ok('executed 4'); done() },
-        (request, reply, done) => { t.assert.ok('executed 5'); done() }
+        (_request, _reply, done) => { t.assert.ok('executed 1'); done() },
+        (_request, _reply, done) => { t.assert.ok('executed 2'); done() },
+        (_request, _reply, done) => { t.assert.ok('executed 3'); done() },
+        (_request, _reply, done) => { t.assert.ok('executed 4'); done() },
+        (_request, _reply, done) => { t.assert.ok('executed 5'); done() }
       ], { relation: 'and', run: 'all' }),
-      handler: (req, reply) => { reply.send({ hello: 'world' }) }
+      handler: (_req, reply) => { reply.send({ hello: 'world' }) }
     })
   })
 
@@ -722,13 +722,13 @@ test('Check run all line with OR', (t, done) => {
       method: 'GET',
       url: '/run-all-pipe',
       preHandler: fastify.auth([
-        (req, reply, done) => { t.assert.ok('executed 1'); done(new Error('primo')) },
-        (req, reply, done) => { t.assert.ok('executed 2'); done(new Error('secondo')) },
-        (req, reply, done) => { t.assert.ok('executed 3'); done() },
-        (req, reply, done) => { t.assert.ok('executed 4'); done(new Error('quarto')) },
-        (req, reply, done) => { t.assert.ok('executed 5'); done() }
+        (_req, _reply, done) => { t.assert.ok('executed 1'); done(new Error('primo')) },
+        (_req, _reply, done) => { t.assert.ok('executed 2'); done(new Error('secondo')) },
+        (_req, _reply, done) => { t.assert.ok('executed 3'); done() },
+        (_req, _reply, done) => { t.assert.ok('executed 4'); done(new Error('quarto')) },
+        (_req, _reply, done) => { t.assert.ok('executed 5'); done() }
       ], { relation: 'or', run: 'all' }),
-      handler: (req, reply) => { reply.send({ hello: 'world' }) }
+      handler: (_req, reply) => { reply.send({ hello: 'world' }) }
     })
   })
 
@@ -751,13 +751,13 @@ test('Check run all fail line with OR', (t, done) => {
       method: 'GET',
       url: '/run-all-pipe',
       preHandler: fastify.auth([
-        (req, reply, done) => { t.assert.ok('executed 1'); done(new Error('primo')) },
-        (req, reply, done) => { t.assert.ok('executed 2'); done(new Error('secondo')) },
-        (req, reply, done) => { t.assert.ok('executed 3'); done(new Error('terzo')) },
-        (req, reply, done) => { t.assert.ok('executed 4'); done(new Error('quarto')) },
-        (req, reply, done) => { t.assert.ok('executed 5'); done(new Error('quinto')) }
+        (_req, _reply, done) => { t.assert.ok('executed 1'); done(new Error('primo')) },
+        (_req, _reply, done) => { t.assert.ok('executed 2'); done(new Error('secondo')) },
+        (_req, _reply, done) => { t.assert.ok('executed 3'); done(new Error('terzo')) },
+        (_req, _reply, done) => { t.assert.ok('executed 4'); done(new Error('quarto')) },
+        (_req, _reply, done) => { t.assert.ok('executed 5'); done(new Error('quinto')) }
       ], { relation: 'or', run: 'all' }),
-      handler: (req, reply) => { reply.send({ hello: 'world' }) }
+      handler: (_req, reply) => { reply.send({ hello: 'world' }) }
     })
   })
 
@@ -784,10 +784,10 @@ test('Ignore last status', (t, done) => {
       method: 'GET',
       url: '/run-all-status',
       preHandler: fastify.auth([
-        (req, reply, done) => { t.assert.ok('executed 1'); done() },
-        (req, reply, done) => { t.assert.ok('executed 2'); done(new Error('last')) }
+        (_req, _reply, done) => { t.assert.ok('executed 1'); done() },
+        (_req, _reply, done) => { t.assert.ok('executed 2'); done(new Error('last')) }
       ], { relation: 'or', run: 'all' }),
-      handler: (req, reply) => { reply.send({ hello: 'world' }) }
+      handler: (_req, reply) => { reply.send({ hello: 'world' }) }
     })
   })
 
@@ -883,10 +883,10 @@ test('Clean status code settle by user', (t, done) => {
       method: 'GET',
       url: '/run-all-status',
       preHandler: fastify.auth([
-        (req, reply, done) => { t.assert.ok('executed 1'); done() },
-        (req, reply, done) => { t.assert.ok('executed 2'); reply.code(400); done(new Error('last')) }
+        (_req, _reply, done) => { t.assert.ok('executed 1'); done() },
+        (_req, reply, done) => { t.assert.ok('executed 2'); reply.code(400); done(new Error('last')) }
       ], { relation: 'or', run: 'all' }),
-      handler: (req, reply) => { reply.send({ hello: 'world' }) }
+      handler: (_req, reply) => { reply.send({ hello: 'world' }) }
     })
   })
 
diff --git a/test/example.js b/test/example.js
index 7bc50cf..cbd4d97 100644
--- a/test/example.js
+++ b/test/example.js
@@ -71,7 +71,7 @@ function build (opts) {
     }
   }
 
-  function verifyUserAndPassword (request, reply, done) {
+  function verifyUserAndPassword (request, _reply, done) {
     const level = this.level.authdb
 
     if (!request.body || !request.body.user) {
diff --git a/types/index.test-d.ts b/types/index.test-d.ts
index 0a531aa..44c44be 100644
--- a/types/index.test-d.ts
+++ b/types/index.test-d.ts
@@ -31,14 +31,14 @@ app.register(fastifyAuth).after((_err) => {
     },
   ])
   app.auth([
-    function (request, reply, done) {
+    function () {
       expectType<FastifyInstance>(this)
     },
   ])
-  const auth = app.auth([(request, reply, done) => {}])
+  const auth = app.auth([() => {}])
   expectType<preHandlerHookHandler>(auth)
-  app.get('/secret', { preHandler: auth }, (request, reply) => {})
-  app.get('/private', { preHandler: [auth] }, (request, reply) => {})
+  app.get('/secret', { preHandler: auth }, () => {})
+  app.get('/private', { preHandler: [auth] }, () => {})
 })
 
 const typebox = fastify().withTypeProvider<TypeBoxTypeProvider>()
@@ -99,7 +99,7 @@ async function usersController (fastify: FastifyInstance): Promise<void> {
         usersMutationAccessPolicy(fastify),
       ]),
     },
-    async (req, res) => ({ success: true })
+    async () => ({ success: true })
   )
 }
 await usersController(app)
@@ -113,7 +113,7 @@ async function usersControllerV2 (fastify: FastifyInstance): Promise<void> {
     {
       onRequest: usersMutationAccessPolicy(fastify),
     },
-    async (req, res) => ({ success: true })
+    async () => ({ success: true })
   )
 }
 await usersControllerV2(app)