diff --git a/index.js b/index.js
index 531cd68..f3a707f 100644
--- a/index.js
+++ b/index.js
@@ -38,7 +38,7 @@ function cachingLoadByEtag (req, res, next) {
   })
 }
 
-function cachingStoreByEtag (req, res, payload, next) {
+function cachingStoreByEtag (_req, res, payload, next) {
   const etag = res.getHeader('etag')
   if (!etag || !res._etagLife) return next()
   this.cache.set(
@@ -70,7 +70,7 @@ function fastifyCaching (instance, options, next) {
       value += `, s-maxage=${_options.serverExpiresIn}`
     }
 
-    instance.addHook('onRequest', function cachingSetCacheControlHeader (req, res, next) {
+    instance.addHook('onRequest', function cachingSetCacheControlHeader (_req, res, next) {
       if (!res.hasHeader('Cache-control')) {
         res.header('Cache-control', value)
       }
diff --git a/test/cache.test.js b/test/cache.test.js
index 8441b4e..4d74c3c 100644
--- a/test/cache.test.js
+++ b/test/cache.test.js
@@ -21,25 +21,25 @@ test('cache is usable', async (t) => {
   t.plan(4)
 
   const fastify = Fastify()
-  await fastify.register(async (instance, options) => {
-    instance.addHook('onRequest', async function checkCachingRegistered (req, reply) {
+  await fastify.register(async (instance) => {
+    instance.addHook('onRequest', async function checkCachingRegistered () {
       t.assert.ifError(instance[Symbol.for('fastify-caching.registered')])
     })
   })
   await fastify.register(plugin)
 
-  fastify.addHook('onRequest', async function checkCachingRegistered (req, reply) {
+  fastify.addHook('onRequest', async function checkCachingRegistered () {
     t.assert.strictEqual(this[Symbol.for('fastify-caching.registered')], true)
   })
 
-  fastify.get('/one', (req, reply) => {
+  fastify.get('/one', (_req, reply) => {
     fastify.cache.set('one', { one: true }, 1000, (err) => {
       if (err) return reply.send(err)
       reply.redirect('/two')
     })
   })
 
-  fastify.get('/two', (req, reply) => {
+  fastify.get('/two', (_req, reply) => {
     fastify.cache.get('one', (err, obj) => {
       t.assert.ifError(err)
       t.assert.strictEqual(obj.item, { one: true })
@@ -70,25 +70,25 @@ test('cache is usable with function as plugin default options input', async (t)
   t.plan(4)
 
   const fastify = Fastify()
-  await fastify.register(async (instance, options) => {
-    instance.addHook('onRequest', async function checkCachingNotRegistered (req, reply) {
+  await fastify.register(async (instance) => {
+    instance.addHook('onRequest', async function checkCachingNotRegistered () {
       t.assert.failure(instance[Symbol.for('fastify-caching.registered')])
     })
   })
   await fastify.register(plugin, () => () => {})
 
-  fastify.addHook('onRequest', async function checkCachingRegistered (req, reply) {
+  fastify.addHook('onRequest', async function checkCachingRegistered () {
     t.assert.strictEqual(this[Symbol.for('fastify-caching.registered')], true)
   })
 
-  fastify.get('/one', (req, reply) => {
+  fastify.get('/one', (_req, reply) => {
     fastify.cache.set('one', { one: true }, 1000, (err) => {
       if (err) return reply.send(err)
       reply.redirect('/two')
     })
   })
 
-  fastify.get('/two', (req, reply) => {
+  fastify.get('/two', (_req, reply) => {
     fastify.cache.get('one', (err, obj) => {
       t.assert.ifError(err)
       t.assert.strictEqual(obj.item, { one: true })
@@ -120,21 +120,21 @@ test('getting cache item with error returns error', async (t) => {
   t.plan(1)
 
   const mockCache = {
-    get: (info, callback) => callback(new Error('cache.get always errors')),
-    set: (key, value, ttl, callback) => callback()
+    get: (_info, callback) => callback(new Error('cache.get always errors')),
+    set: (_key, _value, _ttl, callback) => callback()
   }
 
   const fastify = Fastify()
   await fastify.register(plugin, { cache: mockCache })
 
-  fastify.get('/one', (req, reply) => {
+  fastify.get('/one', (_req, reply) => {
     fastify.cache.set('one', { one: true }, 1000, (err) => {
       if (err) return reply.send(err)
       return reply.etag('123456').send({ hello: 'world' })
     })
   })
 
-  fastify.get('/two', (req, reply) => {
+  fastify.get('/two', () => {
     fastify.cache.get('one', (err, obj) => {
       t.assert.failure(err)
       t.assert.failure(obj)
@@ -164,7 +164,7 @@ test('etags get stored in cache', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin)
 
-  fastify.get('/one', (req, reply) => {
+  fastify.get('/one', (_req, reply) => {
     reply.etag('123456').send({ hello: 'world' })
   })
 
@@ -191,7 +191,7 @@ test('etag cache life is customizable', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin)
 
-  fastify.get('/one', function (req, reply) {
+  fastify.get('/one', function (_req, reply) {
     reply
       // We set a cache lifetime of 50 milliseconds
       .etag('123456', 50)
@@ -237,7 +237,7 @@ test('returns response payload', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin)
 
-  fastify.get('/one', (req, reply) => {
+  fastify.get('/one', (_req, reply) => {
     reply.etag('123456', 300).send({ hello: 'world' })
   })
 
diff --git a/test/headers.test.js b/test/headers.test.js
index 015a2eb..1739b3e 100644
--- a/test/headers.test.js
+++ b/test/headers.test.js
@@ -10,7 +10,7 @@ test('decorators get added', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin)
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     t.assert.ok(reply.etag)
     reply.send()
   })
@@ -31,7 +31,7 @@ test('decorators add headers', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin)
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     reply.etag(tag).send()
   })
 
@@ -51,7 +51,7 @@ test('sets etag header for falsy argument', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin)
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     reply.etag().send()
   })
 
@@ -70,7 +70,7 @@ test('sets no-cache header', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin, { privacy: plugin.privacy.NOCACHE })
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     reply.send({ hello: 'world' })
   })
 
@@ -95,7 +95,7 @@ test('sets private with max-age header', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin, opts)
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     reply.send({ hello: 'world' })
   })
 
@@ -124,7 +124,7 @@ test('sets public with max-age and s-maxage header', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin, opts)
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     reply.send({ hello: 'world' })
   })
 
@@ -151,12 +151,12 @@ test('do not set headers if another upstream plugin already sets it', async (t)
   }
 
   const fastify = Fastify()
-  fastify.addHook('onRequest', async function checkCachingDoesNotOverrideCacheControlHeader (req, reply) {
+  fastify.addHook('onRequest', async function checkCachingDoesNotOverrideCacheControlHeader (_req, reply) {
     reply.header('cache-control', 'do not override')
   })
   await fastify.register(plugin, opts)
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     reply.send({ hello: 'world' })
   })
 
@@ -182,7 +182,7 @@ test('only sets max-age and ignores s-maxage with private header', async (t) =>
   const fastify = Fastify()
   await fastify.register(plugin, opts)
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     reply.send({ hello: 'world' })
   })
 
@@ -210,7 +210,7 @@ test('s-maxage is optional with public header', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin, opts)
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     reply.send({ hello: 'world' })
   })
 
@@ -230,7 +230,7 @@ test('sets no-store with max-age header', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin, { privacy: 'no-store', expiresIn: 300 })
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     reply.send({ hello: 'world' })
   })
 
@@ -255,7 +255,7 @@ test('sets the expires header', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin, { privacy: plugin.privacy.NOCACHE })
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     reply.expires(now).send({ hello: 'world' })
   })
 
@@ -275,7 +275,7 @@ test('sets the expires header to a falsy value', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin, { privacy: plugin.privacy.NOCACHE })
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     reply.expires().send({ hello: 'world' })
   })
 
@@ -294,7 +294,7 @@ test('sets the expires header to a custom value', async (t) => {
   const fastify = Fastify()
   await fastify.register(plugin, { privacy: plugin.privacy.NOCACHE })
 
-  fastify.get('/', (req, reply) => {
+  fastify.get('/', (_req, reply) => {
     reply.expires('foobar').send({ hello: 'world' })
   })
 
diff --git a/types/index.test-d.ts b/types/index.test-d.ts
index 805541e..d68be47 100644
--- a/types/index.test-d.ts
+++ b/types/index.test-d.ts
@@ -22,7 +22,7 @@ expectType<AbstractCacheCompliantObject['set']>(fastify.cache.set)
 expectType<string>(fastify.cacheSegment)
 // expectType<number>(fastify.etagMaxLife);
 
-fastify.get('/one', async (request, reply) => {
+fastify.get('/one', async (_request, reply) => {
   expectType<(tag?: string, timeToLive?: number) => FastifyReply>(reply.etag)
   expectType<(date?: Date) => FastifyReply>(reply.expires)
 
@@ -32,7 +32,7 @@ fastify.get('/one', async (request, reply) => {
   return { message: 'one' }
 })
 
-fastify.get('/two', async (request, reply) => {
+fastify.get('/two', async (_request, reply) => {
   expectType<FastifyReply>(
     reply.etag('hello', 6000).expires(new Date(Date.now() + 6000))
   )
@@ -51,7 +51,7 @@ const badCachingOptions = {
 
 expectError(shouldErrorApp.register(fastifyCaching, badCachingOptions))
 
-fastify.get('/three', async (request, reply) => {
+fastify.get('/three', async () => {
   expectAssignable<Promise<unknown>>(
     fastify.cache.get('well-known')
   )