diff --git a/tests/helpers/destroy-app.js b/tests/helpers/destroy-app.js
deleted file mode 100644
index e7f983b..0000000
--- a/tests/helpers/destroy-app.js
+++ /dev/null
@@ -1,5 +0,0 @@
-import { run } from '@ember/runloop';
-
-export default function destroyApp(application) {
-  run(application, 'destroy');
-}
diff --git a/tests/helpers/resolver.js b/tests/helpers/resolver.js
deleted file mode 100644
index 319b45f..0000000
--- a/tests/helpers/resolver.js
+++ /dev/null
@@ -1,11 +0,0 @@
-import Resolver from '../../resolver';
-import config from '../../config/environment';
-
-const resolver = Resolver.create();
-
-resolver.namespace = {
-  modulePrefix: config.modulePrefix,
-  podModulePrefix: config.podModulePrefix,
-};
-
-export default resolver;
diff --git a/tests/helpers/start-app.js b/tests/helpers/start-app.js
deleted file mode 100644
index 6febddf..0000000
--- a/tests/helpers/start-app.js
+++ /dev/null
@@ -1,16 +0,0 @@
-import { run } from '@ember/runloop';
-import { merge } from '@ember/polyfills';
-import Application from '../../app';
-import config from '../../config/environment';
-
-export default function startApp(attrs) {
-  let attributes = merge({}, config.APP);
-  attributes = merge(attributes, attrs); // use defaults, but you can override;
-
-  return run(() => {
-    let application = Application.create(attributes);
-    application.setupForTesting();
-    application.injectTestHelpers();
-    return application;
-  });
-}