diff --git a/plugins/woocommerce-admin/changelogs/fix-7693 b/plugins/woocommerce-admin/changelogs/fix-7693
new file mode 100644
index 00000000000..413ecce92fb
--- /dev/null
+++ b/plugins/woocommerce-admin/changelogs/fix-7693
@@ -0,0 +1,4 @@
+Significance: patch
+Type: Dev
+
+Remove unused task styling classes #8234
diff --git a/plugins/woocommerce-admin/client/inbox-panel/dissmiss-all-modal.js b/plugins/woocommerce-admin/client/inbox-panel/dismiss-all-modal.js
similarity index 96%
rename from plugins/woocommerce-admin/client/inbox-panel/dissmiss-all-modal.js
rename to plugins/woocommerce-admin/client/inbox-panel/dismiss-all-modal.js
index efbf1f4a7a9..5fe8387ec3b 100644
--- a/plugins/woocommerce-admin/client/inbox-panel/dissmiss-all-modal.js
+++ b/plugins/woocommerce-admin/client/inbox-panel/dismiss-all-modal.js
@@ -7,7 +7,7 @@ import { useDispatch } from '@wordpress/data';
 import { Button, Modal } from '@wordpress/components';
 import { __ } from '@wordpress/i18n';
 
-const DissmissAllModal = ( { onClose } ) => {
+const DismissAllModal = ( { onClose } ) => {
 	const { createNotice } = useDispatch( 'core/notices' );
 
 	const { batchUpdateNotes, removeAllNotes } = useDispatch(
@@ -81,4 +81,4 @@ const DissmissAllModal = ( { onClose } ) => {
 	);
 };
 
-export default DissmissAllModal;
+export default DismissAllModal;
diff --git a/plugins/woocommerce-admin/client/inbox-panel/index.js b/plugins/woocommerce-admin/client/inbox-panel/index.js
index b90bfbf5e08..bf4d84949bd 100644
--- a/plugins/woocommerce-admin/client/inbox-panel/index.js
+++ b/plugins/woocommerce-admin/client/inbox-panel/index.js
@@ -26,7 +26,7 @@ import moment from 'moment';
 import { ActivityCard } from '~/activity-panel/activity-card';
 import { hasValidNotes, truncateRenderableHTML } from './utils';
 import { getScreenName } from '../utils';
-import DismissAllModal from './dissmiss-all-modal';
+import DismissAllModal from './dismiss-all-modal';
 import './index.scss';
 
 const renderEmptyCard = () => (
diff --git a/plugins/woocommerce-admin/client/profile-wizard/index.js b/plugins/woocommerce-admin/client/profile-wizard/index.js
index 5a172632357..c666f5bb509 100644
--- a/plugins/woocommerce-admin/client/profile-wizard/index.js
+++ b/plugins/woocommerce-admin/client/profile-wizard/index.js
@@ -76,7 +76,6 @@ class ProfileWizard extends Component {
 
 	componentDidMount() {
 		document.body.classList.remove( 'woocommerce-admin-is-loading' );
-		document.body.classList.add( 'woocommerce-onboarding' );
 		document.body.classList.add( 'woocommerce-profile-wizard__body' );
 		document.body.classList.add( 'woocommerce-admin-full-screen' );
 		document.body.classList.add( 'is-wp-toolbar-disabled' );
@@ -87,7 +86,6 @@ class ProfileWizard extends Component {
 	}
 
 	componentWillUnmount() {
-		document.body.classList.remove( 'woocommerce-onboarding' );
 		document.body.classList.remove( 'woocommerce-profile-wizard__body' );
 		document.body.classList.remove( 'woocommerce-admin-full-screen' );
 		document.body.classList.remove( 'is-wp-toolbar-disabled' );
diff --git a/plugins/woocommerce-admin/client/two-column-tasks/dissmiss-modal.js b/plugins/woocommerce-admin/client/two-column-tasks/dismiss-modal.js
similarity index 95%
rename from plugins/woocommerce-admin/client/two-column-tasks/dissmiss-modal.js
rename to plugins/woocommerce-admin/client/two-column-tasks/dismiss-modal.js
index 3fa6052a249..4fca328dbc0 100644
--- a/plugins/woocommerce-admin/client/two-column-tasks/dissmiss-modal.js
+++ b/plugins/woocommerce-admin/client/two-column-tasks/dismiss-modal.js
@@ -4,7 +4,7 @@
 import { Button, Modal } from '@wordpress/components';
 import { __ } from '@wordpress/i18n';
 
-const DissmissModal = ( {
+const DismissModal = ( {
 	showDismissModal,
 	setShowDismissModal,
 	hideTasks,
@@ -55,4 +55,4 @@ const DissmissModal = ( {
 	);
 };
 
-export default DissmissModal;
+export default DismissModal;
diff --git a/plugins/woocommerce-admin/client/two-column-tasks/index.js b/plugins/woocommerce-admin/client/two-column-tasks/index.js
index 81429136825..1663f2d5807 100644
--- a/plugins/woocommerce-admin/client/two-column-tasks/index.js
+++ b/plugins/woocommerce-admin/client/two-column-tasks/index.js
@@ -2,7 +2,6 @@
  * External dependencies
  */
 import { __ } from '@wordpress/i18n';
-import { useEffect } from '@wordpress/element';
 import { useSelect } from '@wordpress/data';
 import { ONBOARDING_STORE_NAME, OPTIONS_STORE_NAME } from '@woocommerce/data';
 
@@ -35,11 +34,6 @@ const TaskDashboard = ( { query, twoColumns } ) => {
 		isResolving: isResolvingOptions,
 	} = useSelect( taskDashboardSelect );
 
-	useEffect( () => {
-		document.body.classList.add( 'woocommerce-onboarding' );
-		document.body.classList.add( 'woocommerce-task-dashboard__body' );
-	}, [] );
-
 	const { task } = query;
 
 	const { isResolving, taskLists } = useSelect( ( select ) => {
diff --git a/plugins/woocommerce-admin/client/two-column-tasks/style.scss b/plugins/woocommerce-admin/client/two-column-tasks/style.scss
index 8f022fe68e8..bf3a58ac0db 100644
--- a/plugins/woocommerce-admin/client/two-column-tasks/style.scss
+++ b/plugins/woocommerce-admin/client/two-column-tasks/style.scss
@@ -74,7 +74,7 @@
 	}
 }
 
-.woocommerce-task-dashboard__body .woocommerce-task-dashboard__container .woocommerce-task-card.completed {
+.woocommerce-task-dashboard__container .woocommerce-task-card.completed {
 	display: block;
 	.components-card__header {
 		display: block;
@@ -273,7 +273,7 @@
 	}
 }
 
-.woocommerce-task-dashboard__body .woocommerce-task-dismiss-modal {
+.woocommerce-task-dismiss-modal {
 	width: 565px;
 	max-width: 100%;
 
diff --git a/plugins/woocommerce-admin/client/two-column-tasks/task-list.js b/plugins/woocommerce-admin/client/two-column-tasks/task-list.js
index bf95f923d22..9fead528b32 100644
--- a/plugins/woocommerce-admin/client/two-column-tasks/task-list.js
+++ b/plugins/woocommerce-admin/client/two-column-tasks/task-list.js
@@ -17,7 +17,7 @@ import classnames from 'classnames';
  */
 import '../tasks/task-list.scss';
 import taskHeaders from './task-headers';
-import DismissModal from './dissmiss-modal';
+import DismissModal from './dismiss-modal';
 import TaskListCompleted from './completed';
 
 export const TaskList = ( {