diff --git a/src/components/__tests__/button.test.js b/src/components/__tests__/button.test.js
index d965be2..32f845d 100644
--- a/src/components/__tests__/button.test.js
+++ b/src/components/__tests__/button.test.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { JSDOM } from 'jsdom'
 import { Button } from '@components/button'
 
diff --git a/src/components/__tests__/checkbox.test.js b/src/components/__tests__/checkbox.test.js
index 2462466..f854deb 100644
--- a/src/components/__tests__/checkbox.test.js
+++ b/src/components/__tests__/checkbox.test.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { JSDOM } from 'jsdom'
 import { Checkbox } from '@components/checkbox'
 
diff --git a/src/components/__tests__/container.test.js b/src/components/__tests__/container.test.js
index fdee9b9..732d77a 100644
--- a/src/components/__tests__/container.test.js
+++ b/src/components/__tests__/container.test.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { JSDOM } from 'jsdom'
 import { Container } from '@components/container'
 import { Button } from '@components/button'
diff --git a/src/components/__tests__/modal.test.js b/src/components/__tests__/modal.test.js
index 5f00e83..1c413a9 100644
--- a/src/components/__tests__/modal.test.js
+++ b/src/components/__tests__/modal.test.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { JSDOM } from 'jsdom'
 import { Modal } from '@components/modal'
 import { Button } from '@components/button'
diff --git a/src/components/__tests__/page.test.js b/src/components/__tests__/page.test.js
index 6b64e8b..41cdcf0 100644
--- a/src/components/__tests__/page.test.js
+++ b/src/components/__tests__/page.test.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { JSDOM } from 'jsdom'
 import { Page } from '@components/page'
 import { Modal } from '@components/modal'
diff --git a/src/components/__tests__/snackbar.test.js b/src/components/__tests__/snackbar.test.js
index 077b587..2063bd2 100644
--- a/src/components/__tests__/snackbar.test.js
+++ b/src/components/__tests__/snackbar.test.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { JSDOM } from 'jsdom'
 import { Snackbar } from '@components/snackbar'
 
diff --git a/src/components/__tests__/tab.test.js b/src/components/__tests__/tab.test.js
index 5b31ddd..27294fb 100644
--- a/src/components/__tests__/tab.test.js
+++ b/src/components/__tests__/tab.test.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { JSDOM } from 'jsdom'
 import { Tab } from '@components/tab'
 import { Button } from '@components/button'
diff --git a/src/components/__tests__/textarea.test.js b/src/components/__tests__/textarea.test.js
index aa18b25..606b601 100644
--- a/src/components/__tests__/textarea.test.js
+++ b/src/components/__tests__/textarea.test.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { JSDOM } from 'jsdom'
 import { Textarea } from '@components/textarea'
 
diff --git a/src/components/button.js b/src/components/button.js
index f3ad51a..2f7c65d 100644
--- a/src/components/button.js
+++ b/src/components/button.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { isConfigVerified } from '@utilities/config/config-verifier'
 import { setEvents } from '@utilities/components/set-events'
 import { setAttributes } from '@utilities/components/set-attributes'
diff --git a/src/components/checkbox.js b/src/components/checkbox.js
index 458dd8b..2e55b04 100644
--- a/src/components/checkbox.js
+++ b/src/components/checkbox.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { isConfigVerified } from '@utilities/config/config-verifier'
 import { setAttributes } from '@utilities/components/set-attributes'
 
diff --git a/src/components/container.js b/src/components/container.js
index c0daada..fda0dd9 100644
--- a/src/components/container.js
+++ b/src/components/container.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { isConfigVerified } from '@utilities/config/config-verifier'
 import { setAttributes } from '@utilities/components/set-attributes'
 
diff --git a/src/components/modal.js b/src/components/modal.js
index a56e78d..3d5961f 100644
--- a/src/components/modal.js
+++ b/src/components/modal.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { isConfigVerified } from '@utilities/config/config-verifier'
 import { setAttributes } from '@utilities/components/set-attributes'
 
diff --git a/src/components/page.js b/src/components/page.js
index 61a5e34..ad5521f 100644
--- a/src/components/page.js
+++ b/src/components/page.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { isConfigVerified } from '@utilities/config/config-verifier'
 import { setAttributes } from '@utilities/components/set-attributes'
 import { Button } from './button'
diff --git a/src/components/snackbar.js b/src/components/snackbar.js
index 4c0ff0f..144a791 100644
--- a/src/components/snackbar.js
+++ b/src/components/snackbar.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { isConfigVerified } from '@utilities/config/config-verifier'
 import { setAttributes } from '@utilities/components/set-attributes'
 
diff --git a/src/components/tab.js b/src/components/tab.js
index 8193784..cd69a68 100644
--- a/src/components/tab.js
+++ b/src/components/tab.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { isConfigVerified } from '@utilities/config/config-verifier'
 import { setAttributes } from '@utilities/components/set-attributes'
 
diff --git a/src/components/textarea.js b/src/components/textarea.js
index 01973d2..3c8e7ef 100644
--- a/src/components/textarea.js
+++ b/src/components/textarea.js
@@ -1,5 +1,3 @@
-'use strict'
-
 import { isConfigVerified } from '@utilities/config/config-verifier'
 import { setAttributes } from '@utilities/components/set-attributes'