diff --git a/Gruntfile.js b/Gruntfile.js
index 48bac0d380743..02d9ae9a78452 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -91,5 +91,4 @@ module.exports = function (grunt) {
   // load task definitions
   grunt.task.loadTasks('tasks');
   grunt.task.loadTasks('tasks/build');
-  grunt.task.loadTasks('tasks/rebuild');
 };
diff --git a/tasks/rebuild/confirm.js b/tasks/rebuild/confirm.js
deleted file mode 100644
index 5ece1bce93b8a..0000000000000
--- a/tasks/rebuild/confirm.js
+++ /dev/null
@@ -1,36 +0,0 @@
-import { execFileSync } from 'child_process';
-import { readFileSync, writeFileSync } from 'fs';
-import { join } from 'path';
-import { createInterface } from 'readline';
-
-export default (grunt) => {
-  grunt.registerTask('_rebuild:confirm', function () {
-    const newVersion = grunt.option('buildversion') || grunt.config.get('pkg').version;
-    const newBuildNum = grunt.option('buildnum') || grunt.config.get('build.number');
-    const newSha = grunt.option('buildsha') || grunt.config.get('build.sha');
-
-    grunt.config('rebuild', { newVersion, newBuildNum, newSha });
-
-    grunt.log.writeln('Targets will be rebuilt with the following:');
-    grunt.log.writeln(`Version: ${newVersion}`);
-    grunt.log.writeln(`Build number: ${newBuildNum}`);
-    grunt.log.writeln(`Build sha: ${newSha}`);
-
-    const rl = createInterface({
-      input: process.stdin,
-      output: process.stdout
-    });
-
-    rl.on('close', this.async());
-
-    rl.question('Do you want to rebuild these packages? [N/y] ', (resp) => {
-      const answer = resp.toLowerCase().trim();
-
-      if (answer === 'y') {
-        grunt.config.set('rebuild.continue', true);
-      }
-
-      rl.close();
-    });
-  });
-};
diff --git a/tasks/rebuild/create_archives.js b/tasks/rebuild/create_archives.js
deleted file mode 100644
index 852e3b52e666b..0000000000000
--- a/tasks/rebuild/create_archives.js
+++ /dev/null
@@ -1,23 +0,0 @@
-import { execFileSync } from 'child_process';
-import { join } from 'path';
-
-export default (grunt) => {
-  grunt.registerTask('_rebuild:createArchives', function () {
-    const buildDir = grunt.config.get('buildDir');
-    const targetDir = grunt.config.get('target');
-
-    grunt.file.mkdir('target');
-
-    grunt.file.expand({ cwd: buildDir }, '*').forEach(build => {
-      const tar = join(targetDir, `${build}.tar.gz`);
-      execFileSync('tar', ['-zchf', tar, build], { cwd: buildDir });
-
-      const zip = join(targetDir, `${build}.zip`);
-      if (/windows/.test(build)) {
-        execFileSync('zip', ['-rq', '-ll', zip, build], { cwd: buildDir });
-      } else {
-        execFileSync('zip', ['-rq', zip, build], { cwd: buildDir });
-      }
-    });
-  });
-};
diff --git a/tasks/rebuild/extract_zips.js b/tasks/rebuild/extract_zips.js
deleted file mode 100644
index fdd02601ad6e6..0000000000000
--- a/tasks/rebuild/extract_zips.js
+++ /dev/null
@@ -1,14 +0,0 @@
-import { execFileSync } from 'child_process';
-
-export default (grunt) => {
-  grunt.registerTask('_rebuild:extractZips', function () {
-    const buildDir = grunt.config.get('buildDir');
-    const targetDir = grunt.config.get('target');
-
-    const zips = grunt.file.expand({ cwd: targetDir }, '*.zip');
-
-    zips.forEach(zip => {
-      execFileSync('unzip', [zip, '-d', buildDir], { cwd: targetDir });
-    });
-  });
-};
diff --git a/tasks/rebuild/index.js b/tasks/rebuild/index.js
deleted file mode 100644
index 4e382c06a5cc6..0000000000000
--- a/tasks/rebuild/index.js
+++ /dev/null
@@ -1,65 +0,0 @@
-import { execSync } from 'child_process';
-import { trim } from 'lodash';
-
-/**
- * Repackages all of the current archives in target/ with the same build
- * number, sha, and commit hash. This is useful when all you need to do is bump
- * the version of the release and do not want to introduce any other changes.
- *
- * Even if there are new commits, the standard build task reinstalls all npm
- * dependencies, which introduces at least a small amount of risk of
- * introducing bugs into the build since not all dependencies have fixed
- * versions.
- *
- * Options:
- *   --skip-archives        Will skip the archive step, useful for debugging
- *   --buildversion="1.2.3" Sets new version to 1.2.3
- *   --buildnum="99999"     Sets new build number to 99999
- *   --buildsha="9a5b2c1"   Sets new build sha to 9a5b2c1 (use the full sha, though)
- */
-export default (grunt) => {
-  grunt.registerTask('rebuild', 'Rebuilds targets as a new version', function () {
-    grunt.task.run([
-      '_rebuild:confirm',
-      '_rebuild:continue'
-    ]);
-  });
-
-  grunt.registerTask('_rebuild:continue', function () {
-    grunt.task.requires('_rebuild:confirm');
-
-    if (!grunt.config.get('rebuild.continue')) {
-      grunt.log.writeln('Aborting without rebuilding anything');
-    } else {
-      grunt.task.run([
-        '_rebuild:builds',
-        '_rebuild:archives'
-      ]);
-    }
-  });
-
-  grunt.registerTask('_rebuild:builds', function () {
-    grunt.task.requires('_rebuild:continue');
-
-    grunt.task.run([
-      'clean:build',
-      '_rebuild:extractZips',
-      '_rebuild:updateBuilds'
-    ]);
-  });
-
-  grunt.registerTask('_rebuild:archives', function () {
-    grunt.task.requires('_rebuild:continue');
-
-    const skip = grunt.option('skip-archives');
-    if (skip) {
-      grunt.log.writeln('Skipping archive step since rebuild debugging was enabled');
-    } else {
-      grunt.task.run([
-        'clean:target',
-        '_rebuild:createArchives',
-        '_build:shasums'
-      ]);
-    }
-  });
-};
diff --git a/tasks/rebuild/update_builds.js b/tasks/rebuild/update_builds.js
deleted file mode 100644
index afe4177804f52..0000000000000
--- a/tasks/rebuild/update_builds.js
+++ /dev/null
@@ -1,57 +0,0 @@
-import { execFileSync } from 'child_process';
-import { readFileSync, writeFileSync } from 'fs';
-import { join } from 'path';
-
-export default (grunt) => {
-  grunt.registerTask('_rebuild:updateBuilds', function () {
-    const buildDir = grunt.config.get('buildDir');
-
-    const { newVersion, newBuildNum, newSha } = grunt.config.get('rebuild');
-
-    grunt.file.expand({ cwd: buildDir }, '*').forEach(build => {
-      const thisBuildDir = join(buildDir, build);
-      const thisBundlesDir = join(thisBuildDir, 'optimize', 'bundles');
-
-      const readmePath = join(thisBuildDir, 'README.txt');
-      const pkgjsonPath = join(thisBuildDir, 'package.json');
-      const bundlePaths = [
-        ...grunt.file.expand({ cwd: thisBundlesDir }, '*.bundle.js'),
-        ...grunt.file.expand({ cwd: thisBundlesDir }, '*.entry.js')
-      ];
-
-      const { oldBuildNum, oldSha, oldVersion } = readBuildInfo(pkgjsonPath);
-
-      replaceIn(readmePath, oldVersion, newVersion);
-      replaceIn(pkgjsonPath, oldVersion, newVersion);
-      replaceIn(pkgjsonPath, `"number": ${oldBuildNum},`, `"number": ${newBuildNum},`);
-      replaceIn(pkgjsonPath, oldSha, newSha);
-      bundlePaths
-        .map(bundle => join(thisBundlesDir, bundle))
-        .forEach(file => {
-          replaceIn(file, `"kbnVersion":"${oldVersion}"`, `"kbnVersion":"${newVersion}"`);
-          replaceIn(file, `"buildNum":${oldBuildNum}`, `"buildNum":${newBuildNum}`);
-        });
-
-      const newBuild = build.replace(oldVersion, newVersion);
-      if (build !== newBuild) {
-        execFileSync('mv', [ build, newBuild ], { cwd: buildDir });
-      }
-    });
-  });
-};
-
-function readBuildInfo(path) {
-  const pkgjson = readFileSync(path).toString();
-  const pkg = JSON.parse(pkgjson);
-  return {
-    oldBuildNum: pkg.build.number,
-    oldSha: pkg.build.sha,
-    oldVersion: pkg.version
-  };
-}
-
-function replaceIn(path, oldValue, newValue) {
-  let contents = readFileSync(path).toString();
-  contents = contents.replace(oldValue, newValue);
-  writeFileSync(path, contents);
-}