diff --git a/src/test_runner.js b/src/test_runner.js
deleted file mode 100644
index a352a03f1f44..000000000000
--- a/src/test_runner.js
+++ /dev/null
@@ -1,163 +0,0 @@
-/* eslint-disable */
-
-import jestSnapshot from 'jest-snapshot';
-import ReactTestRenderer from 'react-test-renderer';
-import diff from 'jest-diff';
-import chalk from 'chalk';
-import promptly from 'promptly';
-import path from 'path';
-import { filterStorybook } from './util';
-
-export default async function runTests(storybook, options) {
-  const {
-    configDir = './.storybook',
-    update,
-    updateInteractive: updateI,
-    grep
-  } = options;
-
-  const allTestState = {
-    added: 0,
-    matched: 0,
-    unmatched: 0,
-    updated: 0,
-    obsolete: 0,
-  }
-
-  for (const group of filterStorybook(storybook, grep)) {
-
-    const filePath = path.resolve(`${configDir}`, `${group.kind}`);
-    console.log(chalk.underline(`${group.kind}`));
-    const fakeJasmine = {
-      Spec: () => {}
-    }
-    const state = jestSnapshot.getSnapshotState(fakeJasmine, filePath);
-    const snapshot = state.snapshot;
-
-    for (const story of group.stories) {
-      state.setSpecName(story.name);
-      state.setCounter(0);
-      const key = `${story.name}`
-      const hasSnapshot = snapshot.has(key);
-      const context = { kind: group.kind, story: story.name };
-      const tree = story.render(context);
-      const renderer = ReactTestRenderer.create(tree);
-      const actual = renderer.toJSON()
-
-      if (!snapshot.fileExists() || !hasSnapshot) {
-        // If the file does not exist of snapshot of this name is not present
-        // add it.
-        logState('added', story.name);
-        snapshot.add(key, actual);
-        allTestState.added++;
-        continue;
-      }
-
-      const matches = snapshot.matches(key, actual);
-      const pass = matches.pass;
-      if (pass) {
-        // Snapshot matches with the story
-        logState('matched', story.name);
-        allTestState.matched++;
-        continue;
-      }
-
-      // Snapshot does not match story
-      if(update) {
-        snapshot.add(key, actual);
-        logState('updated', story.name);
-        allTestState.updated++;
-        continue;
-      }
-
-      const diffMessage = diff(
-        matches.expected.trim(),
-        matches.actual.trim(),
-        {
-          aAnnotation: 'Snapshot',
-          bAnnotation: 'Current story',
-        },
-      );
-
-      logState('unmatched', story.name, { diffMessage });
-
-      if(updateI) {
-        const shouldUpdate = await confirmUpate();
-        if(shouldUpdate) {
-          snapshot.add(key, actual);
-          logState('updated', story.name);
-          allTestState.updated++;
-          continue;
-        }
-      }
-
-      allTestState.unmatched++;
-    }
-
-    if(update) {
-      snapshot.removeUncheckedKeys();
-    }
-    snapshot.save(update);
-    allTestState.obsolete += snapshot.getUncheckedCount();
-    process.stdout.write('\n');
-  }
-  logAllState(allTestState);
-}
-
-function logState(state, storyName, other) {
-  switch (state) {
-    case 'added':
-      process.stdout.write(chalk.cyan(`+ ${storyName}: Added`));
-      break;
-    case 'updated':
-      process.stdout.write(chalk.cyan(`● ${storyName}: Updated`));
-      break;
-    case 'matched':
-      process.stdout.write(chalk.green(`✓ ${storyName}`));
-      break;
-    case 'unmatched':
-      process.stdout.write('\n');
-      process.stdout.write(chalk.red(`✗ ${storyName}\n`));
-      process.stdout.write('  ' + other.diffMessage.split('\n').join('\n  '));
-      process.stdout.write('\n');
-      break;
-    default:
-      process.stdout.write(`Error occured when testing ${storyName}`);
-  }
-  process.stdout.write('\n');
-}
-
-function logAllState(state) {
-  const { added, matched, unmatched, updated, obsolete } = state;
-  const total = added + matched + unmatched + updated;
-  process.stdout.write(chalk.bold('Test summary\n'));
-  process.stdout.write(`> ${total} stories tested.\n`);
-  if(matched > 0) {
-    process.stdout.write(chalk.green(`> ${matched}/${total} stories matched with snapshots.\n`));
-  }
-  if(unmatched > 0) {
-    process.stdout.write(chalk.red(`> ${unmatched}/${total} differ from snapshots.\n`));
-  }
-  if(updated > 0) {
-    process.stdout.write(chalk.cyan(`> ${updated} snapshots updated to match current stories.\n`));
-  }
-  if(added > 0) {
-    process.stdout.write(chalk.cyan(`> ${added} snapshots newly added.\n`));
-  }
-  if(obsolete > 0) {
-    process.stdout.write(chalk.cyan(`> ${obsolete} unused snapshots remaining. Run with -u to remove them.\n`));
-  }
-}
-
-async function confirmUpate() {
-  process.stdout.write('\nReceived story is different from stored snapshot.\n');
-
-  let ans = await promptly.prompt('Should this snapshot be updated?(y/n)');
-  while(ans != 'y' && ans != 'n'){
-    process.stdout.write('Enter only y (yes) or n (no)\n');
-    ans = await promptly.prompt('Should this snapshot be updated?(y/n)');
-  }
-  process.stdout.write('\n');
-
-  return ans === 'y';
-}