diff --git a/src/EnhancedMocha.js b/src/EnhancedMocha.js
deleted file mode 100644
index 6431cd0..0000000
--- a/src/EnhancedMocha.js
+++ /dev/null
@@ -1,56 +0,0 @@
-import Mocha from 'mocha';
-
-export default class EnhancedMocha extends Mocha {
-  loadFiles(fn) {
-    const { suite } = this;
-
-    suite.suites.length = 0;
-    suite.tests.length = 0;
-
-    try {
-      const [file] = this.files;
-      if (module.hot) {
-        module.hot.accept(file, () => {
-          if (this.watching) {
-            if (!this.running) this.run();
-            else this.outdated = true;
-          }
-        });
-      }
-      suite.emit('pre-require', global, file, this);
-      // eslint-disable-next-line global-require, import/no-dynamic-require
-      suite.emit('require', require(file), file, this);
-      suite.emit('post-require', global, file, this);
-    } catch (e) {
-      suite.addTest(
-        new Mocha.Test('fix test errors', () => {
-          throw e;
-        })
-      );
-    }
-
-    if (fn) {
-      fn();
-    }
-  }
-
-  watch() {
-    this.outdated = false;
-    this.running = true;
-    this.watching = true;
-
-    // reinit ui to fix ui bugs
-    this.ui(this.options.ui);
-
-    // run the tests
-    this.run((/* failures */) => {
-      this.running = false;
-      if (this.outdated) this.watch();
-    });
-
-    if (module.hot) {
-      // Don't exit the process
-      setInterval(() => {}, 100000);
-    }
-  }
-}
diff --git a/src/index.js b/src/index.js
index 6d5d5ed..7bd17bc 100644
--- a/src/index.js
+++ b/src/index.js
@@ -4,7 +4,6 @@ import validateOptions from 'schema-utils';
 import schema from './options.json';
 
 const startScriptPath = require.resolve('./start.js');
-const enhancedMochaPath = require.resolve('./EnhancedMocha.js');
 const mochaJs = require.resolve('mocha/mocha.js');
 const mochaCss = require.resolve('mocha/mocha.css');
 const { stringify } = JSON;
@@ -44,17 +43,6 @@ export function pitch(req) {
     source.push('\t\treport && report.parentNode.removeChild(report);');
     source.push('\t});');
     source.push('}');
-  } else if (this.target === 'node') {
-    source.push(
-      `import EnhancedMocha from ${stringify(`!!${enhancedMochaPath}`)};`
-    );
-    source.push(
-      `const mocha = new EnhancedMocha({reporter: ${stringify(
-        options.reporter || 'spec'
-      )}});`
-    );
-    source.push(`mocha.addFile(${stringify(`!!${req}`)});`);
-    source.push('mocha.watch();');
   } else {
     throw new Error(`Unsupported target environment ${this.target}`);
   }