diff --git a/.eslintrc.js b/.eslintrc.js
index aaf6f042eb..6562ae2855 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -60,7 +60,7 @@ module.exports = {
     '@typescript-eslint/no-misused-new': 'error',
     '@typescript-eslint/no-misused-promises': 'off',
     '@typescript-eslint/no-namespace': 'off',
-    '@typescript-eslint/no-non-null-assertion': 'error',
+    '@typescript-eslint/no-non-null-assertion': 'off',
     '@typescript-eslint/no-parameter-properties': 'off',
     '@typescript-eslint/no-require-imports': 'off',
     '@typescript-eslint/no-this-alias': 'off',
diff --git a/.github/workflows/mutation-testing.yml b/.github/workflows/mutation-testing.yml
index 6df6f7bf61..5ca9c035cf 100644
--- a/.github/workflows/mutation-testing.yml
+++ b/.github/workflows/mutation-testing.yml
@@ -5,8 +5,6 @@ on:
     branches:
       - master
       - test/**
-    paths:
-      - 'packages/**/*.ts'
 
 jobs:
   core:
@@ -21,9 +19,7 @@ jobs:
           npm install
           npm run build
       - name: Run Stryker
-        run: |
-          cd packages/core
-          npm run stryker
+        run: npx lerna run --scope "@stryker-mutator/core" --concurrency 1 --stream stryker
         env:
           STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
 
@@ -40,17 +36,7 @@ jobs:
           npm install
           npm run build
       - name: Run Stryker
-        run: |
-          cd packages/api
-          npm run stryker
-          cd ../babel-transpiler
-          npm run stryker
-          cd ../html-reporter
-          npm run stryker
-          cd ../jasmine-framework
-          npm run stryker
-          cd ../javascript-mutator
-          npm run stryker
+        run: npx lerna run --scope "@stryker-mutator/{api,babel-transpiler,jasmine-framework,javascript-mutator}" --concurrency 1 --stream stryker
         env:
           STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
 
@@ -67,17 +53,7 @@ jobs:
           npm install
           npm run build
       - name: Run Stryker
-        run: |
-          cd packages/jasmine-runner
-          npm run stryker
-          cd ../jest-runner
-          npm run stryker
-          cd ../karma-runner
-          npm run stryker
-          cd ../mocha-framework
-          npm run stryker
-          cd ../mocha-runner
-          npm run stryker
+        run: npx lerna run --scope "@stryker-mutator/{jasmine-runner,jest-runner,karma-runner,mocha-framework,mocha-runner}" --concurrency 1 --stream stryker
         env:
           STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
 
@@ -94,16 +70,6 @@ jobs:
           npm install
           npm run build
       - name: Run Stryker
-        run: |
-          cd packages/typescript
-          npm run stryker
-          cd ../vue-mutator
-          npm run stryker
-          cd ../webpack-transpiler
-          npm run stryker
-          cd ../wct-runner
-          npm run stryker
-          cd ../util
-          npm run stryker
+        run: npx lerna run --scope "@stryker-mutator/{typescript,vue-mutator,webpack-transpiler,wct-runner,util}" --concurrency 1 --stream stryker
         env:
           STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
diff --git a/package.json b/package.json
index 5cb20db0b9..339aa69929 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "@types/lodash": "^4.14.110",
     "@types/mkdirp": "1.0.0",
     "@types/mocha": "^2.2.44",
-    "@types/node": "^10.11.5",
+    "@types/node": "^13.7.1",
     "@types/rimraf": "2.0.3",
     "@types/sinon": "5.0.5",
     "@types/sinon-chai": "3.2.3",
diff --git a/packages/api/package.json b/packages/api/package.json
index 4988eb8225..a49332c4a7 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -43,6 +43,7 @@
     "tslib": "~1.10.0"
   },
   "devDependencies": {
+    "@types/node": "^13.7.1",
     "surrial": "~1.0.0",
     "typed-inject": "~2.1.1"
   }
diff --git a/packages/api/stryker.conf.js b/packages/api/stryker.conf.js
index 8d6b05fbb1..0447f40608 100644
--- a/packages/api/stryker.conf.js
+++ b/packages/api/stryker.conf.js
@@ -1,7 +1,15 @@
+const { execSync } = require('child_process');
 const path = require('path');
 const settings = require('../../stryker.parent.conf');
 const moduleName = __dirname.split(path.sep).pop();
 settings.dashboard.module = moduleName;
-module.exports = function (config) {
-  config.set(settings);
-};
+
+// Add src-generated to the files list, since it isn't in git
+const files = execSync('git ls-files --others --exclude-standard --cached --exclude .stryker-tmp')
+  .toString()
+  .split('\n')
+  .map(file => file.trim())
+  .filter(Boolean);
+files.push('src-generated/**/*.*');
+settings.files = files;
+module.exports = settings;
diff --git a/packages/babel-transpiler/package.json b/packages/babel-transpiler/package.json
index 02c205f420..a9134ae011 100644
--- a/packages/babel-transpiler/package.json
+++ b/packages/babel-transpiler/package.json
@@ -66,6 +66,7 @@
     "@types/babel__traverse": "~7.0.5",
     "@types/glob": "~7.1.0",
     "@types/minimatch": "~3.0.3",
+    "@types/node": "^13.7.1",
     "babel-plugin-transform-es2015-spread": "~6.22.0",
     "glob": "~7.1.2"
   },
diff --git a/packages/core/package.json b/packages/core/package.json
index df3d5d69ab..546d52f837 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -85,7 +85,7 @@
     "@types/istanbul-lib-instrument": "~1.7.0",
     "@types/lodash.flatmap": "^4.5.6",
     "@types/lodash.groupby": "^4.6.6",
-    "@types/node": "~10.17.13",
+    "@types/node": "^13.7.1",
     "@types/progress": "~2.0.1",
     "flatted": "^2.0.0"
   }
diff --git a/packages/core/src/test-runner/CommandTestRunner.ts b/packages/core/src/test-runner/CommandTestRunner.ts
index dbf2a80a5c..f8da73547e 100644
--- a/packages/core/src/test-runner/CommandTestRunner.ts
+++ b/packages/core/src/test-runner/CommandTestRunner.ts
@@ -59,10 +59,10 @@ export default class CommandTestRunner implements TestRunner {
         const result = completeResult(code, timer);
         handleResolve(result);
       });
-      childProcess.stdout.on('data', chunk => {
+      childProcess.stdout!.on('data', chunk => {
         output.push(chunk);
       });
-      childProcess.stderr.on('data', chunk => {
+      childProcess.stderr!.on('data', chunk => {
         output.push(chunk);
       });
 
@@ -78,8 +78,8 @@ export default class CommandTestRunner implements TestRunner {
       };
 
       function removeAllListeners() {
-        childProcess.stderr.removeAllListeners();
-        childProcess.stdout.removeAllListeners();
+        childProcess.stderr!.removeAllListeners();
+        childProcess.stdout!.removeAllListeners();
         childProcess.removeAllListeners();
       }
 
diff --git a/packages/core/test/unit/child-proxy/ChildProcessWorker.spec.ts b/packages/core/test/unit/child-proxy/ChildProcessWorker.spec.ts
index 8cd25e46f0..03e3a37809 100644
--- a/packages/core/test/unit/child-proxy/ChildProcessWorker.spec.ts
+++ b/packages/core/test/unit/child-proxy/ChildProcessWorker.spec.ts
@@ -36,7 +36,7 @@ describe(ChildProcessProxyWorker.name, () => {
   let processRemoveListenerStub: sinon.SinonStub;
   let processChdirStub: sinon.SinonStub;
   let logMock: Mock<Logger>;
-  let originalProcessSend: undefined | NodeJS.MessageListener;
+  let originalProcessSend: typeof process.send;
   let processes: NodeJS.MessageListener[];
   const workingDir = 'working dir';
 
diff --git a/packages/grunt-stryker/package.json b/packages/grunt-stryker/package.json
index edbbb5b5e2..079e1229b6 100644
--- a/packages/grunt-stryker/package.json
+++ b/packages/grunt-stryker/package.json
@@ -33,7 +33,8 @@
   },
   "main": "Gruntfile.js",
   "devDependencies": {
-    "@stryker-mutator/api": "^2.5.0"
+    "@stryker-mutator/api": "^2.5.0",
+    "@types/node": "^13.7.1"
   },
   "peerDependencies": {
     "@stryker-mutator/core": "^2.0.0",
diff --git a/packages/html-reporter/package.json b/packages/html-reporter/package.json
index b726c2959a..f2ce0fbcba 100644
--- a/packages/html-reporter/package.json
+++ b/packages/html-reporter/package.json
@@ -3,8 +3,7 @@
   "version": "2.5.0",
   "description": "An html reporter for the JavaScript mutation testing framework Stryker",
   "main": "src/index.js",
-  "scripts": {
-  },
+  "scripts": {},
   "repository": {
     "type": "git",
     "url": "https://github.com/stryker-mutator/stryker.git"
@@ -31,5 +30,8 @@
   "contributors": [
     "Nico Jansen <jansennico@gmail.com>",
     "Simon de Lang <simondelang@gmail.com>"
-  ]
+  ],
+  "devDependencies": {
+    "@types/node": "^13.7.1"
+  }
 }
diff --git a/packages/jasmine-framework/package.json b/packages/jasmine-framework/package.json
index ad503ab030..d58e0211d2 100644
--- a/packages/jasmine-framework/package.json
+++ b/packages/jasmine-framework/package.json
@@ -38,5 +38,8 @@
   "contributors": [],
   "engines": {
     "node": ">=8"
+  },
+  "devDependencies": {
+    "@types/node": "^13.7.1"
   }
 }
diff --git a/packages/jasmine-runner/package.json b/packages/jasmine-runner/package.json
index b507d32b91..cfa6826321 100644
--- a/packages/jasmine-runner/package.json
+++ b/packages/jasmine-runner/package.json
@@ -41,7 +41,8 @@
   },
   "devDependencies": {
     "@stryker-mutator/jasmine-framework": "^2.5.0",
-    "@stryker-mutator/test-helpers": "^2.5.0"
+    "@stryker-mutator/test-helpers": "^2.5.0",
+    "@types/node": "^13.7.1"
   },
   "dependencies": {
     "@stryker-mutator/api": "^2.5.0",
diff --git a/packages/jasmine-runner/test/unit/JasmineTestRunner.spec.ts b/packages/jasmine-runner/test/unit/JasmineTestRunner.spec.ts
index 8921de8ade..68425b2f8d 100644
--- a/packages/jasmine-runner/test/unit/JasmineTestRunner.spec.ts
+++ b/packages/jasmine-runner/test/unit/JasmineTestRunner.spec.ts
@@ -54,8 +54,8 @@ describe('JasmineTestRunner', () => {
   });
 
   it('should clear require cache on run', async () => {
-    require.cache['foo.js'] = 'foo';
-    require.cache['bar.js'] = 'bar';
+    require.cache['foo.js'] = 'foo' as any;
+    require.cache['bar.js'] = 'bar' as any;
     await actRunWithoutTests();
     expect(require.cache['foo.js']).not.ok;
     expect(require.cache['bar.js']).not.ok;
diff --git a/packages/javascript-mutator/package.json b/packages/javascript-mutator/package.json
index 165ed3015e..63e297f2db 100644
--- a/packages/javascript-mutator/package.json
+++ b/packages/javascript-mutator/package.json
@@ -51,6 +51,7 @@
     "@stryker-mutator/test-helpers": "^2.5.0",
     "@types/babel__generator": "^7.0.0",
     "@types/babel__traverse": "^7.0.0",
-    "@types/lodash.clonedeep": "^4.5.6"
+    "@types/lodash.clonedeep": "^4.5.6",
+    "@types/node": "^13.7.1"
   }
 }
diff --git a/packages/jest-runner/package.json b/packages/jest-runner/package.json
index 6207bff997..95d406431c 100644
--- a/packages/jest-runner/package.json
+++ b/packages/jest-runner/package.json
@@ -39,6 +39,7 @@
   "homepage": "https://github.com/stryker-mutator/stryker/tree/master/packages/jest-runner#readme",
   "devDependencies": {
     "@stryker-mutator/test-helpers": "^2.5.0",
+    "@types/node": "^13.7.1",
     "@types/semver": "~7.1.0",
     "jest": "^25.1.0",
     "react": "~16.12.0",
diff --git a/packages/jest-runner/src/configLoaders/CustomJestConfigLoader.ts b/packages/jest-runner/src/configLoaders/CustomJestConfigLoader.ts
index ab1bf7d24a..4e766f7661 100644
--- a/packages/jest-runner/src/configLoaders/CustomJestConfigLoader.ts
+++ b/packages/jest-runner/src/configLoaders/CustomJestConfigLoader.ts
@@ -2,6 +2,7 @@ import fs = require('fs');
 import path from 'path';
 
 import JestConfigLoader from './JestConfigLoader';
+import { NodeRequireFunction } from './NodeRequireFunction';
 
 /**
  * The Default config loader will load the Jest configuration using the package.json in the package root
diff --git a/packages/jest-runner/src/configLoaders/NodeRequireFunction.ts b/packages/jest-runner/src/configLoaders/NodeRequireFunction.ts
new file mode 100644
index 0000000000..aa9eff6637
--- /dev/null
+++ b/packages/jest-runner/src/configLoaders/NodeRequireFunction.ts
@@ -0,0 +1 @@
+export type NodeRequireFunction = (moduleName: string) => any;
diff --git a/packages/karma-runner/package.json b/packages/karma-runner/package.json
index 675d59e77a..2af73ae3ee 100644
--- a/packages/karma-runner/package.json
+++ b/packages/karma-runner/package.json
@@ -33,9 +33,11 @@
   "homepage": "https://github.com/stryker-mutator/stryker/tree/master/packages/karma-runner#readme",
   "devDependencies": {
     "@stryker-mutator/jasmine-framework": "^2.5.0",
+    "@stryker-mutator/mocha-framework": "^2.5.0",
     "@stryker-mutator/test-helpers": "^2.5.0",
     "@stryker-mutator/util": "^2.5.0",
     "@types/express": "~4.17.0",
+    "@types/node": "^13.7.1",
     "@types/semver": "~7.1.0",
     "jasmine-core": "~3.5.0",
     "karma": "~4.1.0",
diff --git a/packages/karma-runner/test/integration/KarmaTestRunner.it.spec.ts b/packages/karma-runner/test/integration/KarmaTestRunner.it.spec.ts
index 74cccb960a..143522138a 100644
--- a/packages/karma-runner/test/integration/KarmaTestRunner.it.spec.ts
+++ b/packages/karma-runner/test/integration/KarmaTestRunner.it.spec.ts
@@ -3,6 +3,7 @@ import * as http from 'http';
 
 import { CoverageCollection, RunResult, RunStatus, TestStatus } from '@stryker-mutator/api/test_runner';
 import JasmineTestFramework from '@stryker-mutator/jasmine-framework/src/JasmineTestFramework';
+import MochaTestFramework from '@stryker-mutator/mocha-framework/src/MochaTestFramework';
 import { testInjector } from '@stryker-mutator/test-helpers';
 import { expect } from 'chai';
 import { FilePattern } from 'karma';
@@ -10,7 +11,6 @@ import { TestSelection } from '@stryker-mutator/api/test_framework';
 
 import KarmaTestRunner from '../../src/KarmaTestRunner';
 import { expectTestResults } from '../helpers/assertions';
-import MochaTestFramework from '../../../mocha-framework/src/MochaTestFramework';
 
 function wrapInClosure(codeFragment: string) {
   return `
diff --git a/packages/mocha-framework/package.json b/packages/mocha-framework/package.json
index 4ea707bd69..3696c68b90 100644
--- a/packages/mocha-framework/package.json
+++ b/packages/mocha-framework/package.json
@@ -36,6 +36,7 @@
   "homepage": "https://github.com/stryker-mutator/stryker/tree/master/packages/mocha-framework#readme",
   "license": "Apache-2.0",
   "devDependencies": {
+    "@types/node": "^13.7.1",
     "tslib": "~1.10.0"
   },
   "peerDependencies": {
diff --git a/packages/mocha-runner/package.json b/packages/mocha-runner/package.json
index 4c8b543a69..e92b270885 100644
--- a/packages/mocha-runner/package.json
+++ b/packages/mocha-runner/package.json
@@ -41,9 +41,11 @@
     "tslib": "~1.10.0"
   },
   "devDependencies": {
+    "@stryker-mutator/core": "^2.5.0",
+    "@stryker-mutator/mocha-framework": "^2.5.0",
     "@stryker-mutator/test-helpers": "^2.5.0",
     "@types/multimatch": "~4.0.0",
-    "@stryker-mutator/mocha-framework": "^2.5.0"
+    "@types/node": "^13.7.1"
   },
   "peerDependencies": {
     "@stryker-mutator/core": "^2.0.0",
diff --git a/packages/mocha-runner/test/integration/MochaFramework.it.spec.ts b/packages/mocha-runner/test/integration/MochaFramework.it.spec.ts
index 7a58f7a450..54a8cf0268 100644
--- a/packages/mocha-runner/test/integration/MochaFramework.it.spec.ts
+++ b/packages/mocha-runner/test/integration/MochaFramework.it.spec.ts
@@ -1,14 +1,14 @@
 import * as path from 'path';
 
+import { expect } from 'chai';
 import { TestSelection } from '@stryker-mutator/api/test_framework';
 import { TestStatus, RunStatus } from '@stryker-mutator/api/test_runner';
-import { expect } from 'chai';
 import { LoggingServer, testInjector } from '@stryker-mutator/test-helpers';
 import MochaTestFramework from '@stryker-mutator/mocha-framework/src/MochaTestFramework';
+import ChildProcessProxy from '@stryker-mutator/core/src/child-proxy/ChildProcessProxy';
 import { LogLevel } from '@stryker-mutator/api/core';
 import { commonTokens } from '@stryker-mutator/api/plugin';
 
-import ChildProcessProxy from '../../../core/src/child-proxy/ChildProcessProxy';
 import { MochaTestRunner } from '../../src/MochaTestRunner';
 
 const test0: Readonly<TestSelection> = Object.freeze({
diff --git a/packages/mocha-runner/test/unit/MochaTestRunner.spec.ts b/packages/mocha-runner/test/unit/MochaTestRunner.spec.ts
index b2398e12bd..59948d423e 100644
--- a/packages/mocha-runner/test/unit/MochaTestRunner.spec.ts
+++ b/packages/mocha-runner/test/unit/MochaTestRunner.spec.ts
@@ -217,9 +217,9 @@ describe(MochaTestRunner.name, () => {
       sut = createSut({ fileNames: ['foo.js', 'bar.js'] });
       discoveredFiles.push('foo.js'); // should still purge 'bar.js'
       sut.init();
-      require.cache['foo.js'] = 'foo';
-      require.cache['bar.js'] = 'bar';
-      require.cache['baz.js'] = 'baz';
+      require.cache['foo.js'] = 'foo' as any;
+      require.cache['bar.js'] = 'bar' as any;
+      require.cache['baz.js'] = 'baz' as any;
 
       // Act
       await actRun();
diff --git a/packages/mutator-specification/package.json b/packages/mutator-specification/package.json
index 127dcae9ed..a8c4f0de09 100644
--- a/packages/mutator-specification/package.json
+++ b/packages/mutator-specification/package.json
@@ -18,5 +18,8 @@
     "node": ">=8"
   },
   "homepage": "https://github.com/stryker-mutator/stryker/tree/master/packages/javascript-mutator#readme",
-  "license": "Apache-2.0"
+  "license": "Apache-2.0",
+  "devDependencies": {
+    "@types/node": "^13.7.1"
+  }
 }
diff --git a/packages/test-helpers/package.json b/packages/test-helpers/package.json
index 514c9a53af..cdccacf7a9 100644
--- a/packages/test-helpers/package.json
+++ b/packages/test-helpers/package.json
@@ -21,6 +21,7 @@
   },
   "devDependencies": {
     "@stryker-mutator/api": "^2.5.0",
+    "@types/node": "^13.7.1",
     "typed-inject": "~2.1.1"
   }
 }
diff --git a/packages/typescript/package.json b/packages/typescript/package.json
index 438cd87128..5f4cece11d 100644
--- a/packages/typescript/package.json
+++ b/packages/typescript/package.json
@@ -45,6 +45,7 @@
     "@stryker-mutator/mutator-specification": "^2.5.0",
     "@stryker-mutator/test-helpers": "^2.5.0",
     "@types/lodash.flatmap": "~4.5.3",
+    "@types/node": "^13.7.1",
     "@types/semver": "~7.1.0",
     "surrial": "~1.0.0"
   },
diff --git a/packages/util/package.json b/packages/util/package.json
index 257d07b78f..f82d437b49 100644
--- a/packages/util/package.json
+++ b/packages/util/package.json
@@ -24,5 +24,8 @@
   "bugs": {
     "url": "https://github.com/stryker-mutator/stryker/issues"
   },
-  "homepage": "https://github.com/stryker-mutator/stryker/tree/master/packages/util#readme"
+  "homepage": "https://github.com/stryker-mutator/stryker/tree/master/packages/util#readme",
+  "devDependencies": {
+    "@types/node": "^13.7.1"
+  }
 }
diff --git a/packages/vue-mutator/package.json b/packages/vue-mutator/package.json
index 15ce8bd089..4d75b916e2 100644
--- a/packages/vue-mutator/package.json
+++ b/packages/vue-mutator/package.json
@@ -36,6 +36,7 @@
     "@stryker-mutator/javascript-mutator": "^2.5.0",
     "@stryker-mutator/test-helpers": "^2.5.0",
     "@stryker-mutator/typescript": "^2.5.0",
+    "@types/node": "^13.7.1",
     "vue-template-compiler": "^2.0.0"
   },
   "dependencies": {
diff --git a/packages/wct-runner/package.json b/packages/wct-runner/package.json
index a933e28e23..bdaea9e42f 100644
--- a/packages/wct-runner/package.json
+++ b/packages/wct-runner/package.json
@@ -27,6 +27,7 @@
   },
   "devDependencies": {
     "@stryker-mutator/test-helpers": "^2.5.0",
+    "@types/node": "^13.7.1",
     "@types/socket.io": "^2.1.0",
     "chai": "~4.2.0",
     "mocha": "~5.2.0",
diff --git a/packages/webpack-transpiler/package.json b/packages/webpack-transpiler/package.json
index 2b9571ce85..f95bd1e1b6 100644
--- a/packages/webpack-transpiler/package.json
+++ b/packages/webpack-transpiler/package.json
@@ -37,6 +37,7 @@
   "devDependencies": {
     "@stryker-mutator/test-helpers": "^2.5.0",
     "@types/memory-fs": "~0.3.0",
+    "@types/node": "^13.7.1",
     "@types/webpack": "~4.41.0",
     "raw-loader": "~4.0.0",
     "webpack": "~4.41.0"
diff --git a/packages/webpack-transpiler/src/compiler/ConfigLoader.ts b/packages/webpack-transpiler/src/compiler/ConfigLoader.ts
index d3cf6f4974..832ca57157 100644
--- a/packages/webpack-transpiler/src/compiler/ConfigLoader.ts
+++ b/packages/webpack-transpiler/src/compiler/ConfigLoader.ts
@@ -8,6 +8,8 @@ import { Configuration } from 'webpack';
 import { pluginTokens } from '../pluginTokens';
 import { StrykerWebpackConfig } from '../WebpackTranspiler';
 
+import { NodeRequireFunction } from './NodeRequireFunction';
+
 const PROGRESS_PLUGIN_NAME = 'ProgressPlugin';
 
 export default class ConfigLoader {
diff --git a/packages/webpack-transpiler/src/compiler/NodeRequireFunction.ts b/packages/webpack-transpiler/src/compiler/NodeRequireFunction.ts
new file mode 100644
index 0000000000..aa9eff6637
--- /dev/null
+++ b/packages/webpack-transpiler/src/compiler/NodeRequireFunction.ts
@@ -0,0 +1 @@
+export type NodeRequireFunction = (moduleName: string) => any;
diff --git a/stryker.parent.conf.js b/stryker.parent.conf.js
index 0dbb0be01f..8b2a94a06b 100644
--- a/stryker.parent.conf.js
+++ b/stryker.parent.conf.js
@@ -16,7 +16,6 @@ module.exports = {
   plugins: [
     require.resolve('./packages/mocha-runner/src/index'),
     require.resolve('./packages/mocha-framework/src/index'),
-    require.resolve('./packages/html-reporter/src/index'),
     require.resolve('./packages/typescript/src/index'),
   ],
   dashboard: {