diff --git a/lib/core/aliases.json b/lib/core/aliases.json
index 94dcf473..53a22a56 100644
--- a/lib/core/aliases.json
+++ b/lib/core/aliases.json
@@ -8,7 +8,6 @@
   "handleError": [ "handleError", "handleerror" ],
   "cors": [ "cors", "CORS" ],
   "headers": [ "H", "header", "headers" ],
-  "serverHeader": [ "serverHeader", "serverheader", "server-header" ],
   "contentType": [ "contentType", "contenttype", "content-type" ],
   "mimeType": [
     "mimetype",
diff --git a/lib/core/defaults.json b/lib/core/defaults.json
index d890da8f..d919f292 100644
--- a/lib/core/defaults.json
+++ b/lib/core/defaults.json
@@ -11,7 +11,6 @@
   "brotli": false,
   "defaultExt": ".html",
   "handleError": true,
-  "serverHeader": true,
   "contentType": "application/octet-stream",
   "weakEtags": true,
   "weakCompare": true,
diff --git a/lib/core/index.js b/lib/core/index.js
index 030bff62..35a4136d 100644
--- a/lib/core/index.js
+++ b/lib/core/index.js
@@ -101,7 +101,6 @@ module.exports = function createMiddleware(_dir, _options) {
   let defaultExt = opts.defaultExt;
   const handleError = opts.handleError;
   const headers = opts.headers;
-  const serverHeader = opts.serverHeader;
   const weakEtags = opts.weakEtags;
   const handleOptionsMethod = opts.handleOptionsMethod;
 
@@ -196,11 +195,6 @@ module.exports = function createMiddleware(_dir, _options) {
     gzippedFile = `${file}.gz`;
     brotliFile = `${file}.br`;
 
-    if (serverHeader !== false) {
-      // Set common headers.
-      res.setHeader('server', `http-server-${version}`);
-    }
-
     Object.keys(headers).forEach((key) => {
       res.setHeader(key, headers[key]);
     });
diff --git a/lib/core/opts.js b/lib/core/opts.js
index d4b170d5..c0365ba8 100644
--- a/lib/core/opts.js
+++ b/lib/core/opts.js
@@ -18,7 +18,6 @@ module.exports = (opts) => {
   let defaultExt = defaults.defaultExt;
   let handleError = defaults.handleError;
   const headers = {};
-  let serverHeader = defaults.serverHeader;
   let contentType = defaults.contentType;
   let mimeTypes;
   let weakEtags = defaults.weakEtags;
@@ -140,14 +139,6 @@ module.exports = (opts) => {
       }
     });
 
-    aliases.serverHeader.some((k) => {
-      if (isDeclared(k)) {
-        serverHeader = opts[k];
-        return true;
-      }
-      return false;
-    });
-
     aliases.contentType.some((k) => {
       if (isDeclared(k)) {
         contentType = opts[k];
@@ -203,7 +194,6 @@ module.exports = (opts) => {
     brotli,
     handleError,
     headers,
-    serverHeader,
     contentType,
     mimeTypes,
     weakEtags,
diff --git a/test/server-header.test.js b/test/server-header.test.js
deleted file mode 100644
index dd96bcab..00000000
--- a/test/server-header.test.js
+++ /dev/null
@@ -1,40 +0,0 @@
-'use strict';
-
-const test = require('tap').test;
-const ecstatic = require('../lib/core');
-const http = require('http');
-const request = require('request');
-
-test('serverHeader should exist', (t) => {
-  t.plan(2);
-
-  const server = http.createServer(ecstatic(`${__dirname}/public/subdir`));
-
-  t.on('end', () => { server.close(); });
-
-  server.listen(0, () => {
-    const port = server.address().port;
-    request.get(`http://localhost:${port}`, (err, res) => {
-      t.ifError(err);
-      t.equal(res.headers.server, `http-server-${ecstatic.version}`);
-    });
-  });
-});
-
-test('serverHeader should not exist', (t) => {
-  t.plan(2);
-
-  const server = http.createServer(ecstatic(`${__dirname}/public/subdir`, {
-    serverHeader: false,
-  }));
-
-  t.on('end', () => { server.close(); });
-
-  server.listen(0, () => {
-    const port = server.address().port;
-    request.get(`http://localhost:${port}`, (err, res) => {
-      t.ifError(err);
-      t.equal(res.headers.server, undefined);
-    });
-  });
-});