diff --git a/packages/google-cloud-dialogflow/system-test/.eslintrc.yml b/packages/google-cloud-dialogflow/system-test/.eslintrc.yml
index f9605165c0f..282535f55f6 100644
--- a/packages/google-cloud-dialogflow/system-test/.eslintrc.yml
+++ b/packages/google-cloud-dialogflow/system-test/.eslintrc.yml
@@ -1,5 +1,3 @@
 ---
-env:
-  mocha: true
 rules:
   no-console: off
diff --git a/packages/google-cloud-dialogflow/test/.eslintrc.yml b/packages/google-cloud-dialogflow/test/.eslintrc.yml
deleted file mode 100644
index 6db2a46c535..00000000000
--- a/packages/google-cloud-dialogflow/test/.eslintrc.yml
+++ /dev/null
@@ -1,3 +0,0 @@
----
-env:
-  mocha: true
diff --git a/packages/google-cloud-dialogflow/test/gapic-v2.js b/packages/google-cloud-dialogflow/test/gapic-v2.js
index 99a9a4a69b4..0d837484a60 100644
--- a/packages/google-cloud-dialogflow/test/gapic-v2.js
+++ b/packages/google-cloud-dialogflow/test/gapic-v2.js
@@ -15,6 +15,7 @@
 'use strict';
 
 const assert = require('assert');
+const {describe, it} = require('mocha');
 const {PassThrough} = require('stream');
 
 const dialogflowModule = require('../src');
diff --git a/packages/google-cloud-dialogflow/test/gapic-v2beta1.js b/packages/google-cloud-dialogflow/test/gapic-v2beta1.js
index bae752b531f..282160d75a3 100644
--- a/packages/google-cloud-dialogflow/test/gapic-v2beta1.js
+++ b/packages/google-cloud-dialogflow/test/gapic-v2beta1.js
@@ -15,6 +15,7 @@
 'use strict';
 
 const assert = require('assert');
+const {describe, it} = require('mocha');
 const {PassThrough} = require('stream');
 
 const dialogflowModule = require('../src');