diff --git a/packages/block-library/src/quote/block.json b/packages/block-library/src/quote/block.json
index 2ae37f9f36f766..d5f511c5747093 100644
--- a/packages/block-library/src/quote/block.json
+++ b/packages/block-library/src/quote/block.json
@@ -91,14 +91,6 @@
 			"clientNavigation": true
 		}
 	},
-	"styles": [
-		{
-			"name": "default",
-			"label": "Default",
-			"isDefault": true
-		},
-		{ "name": "plain", "label": "Plain" }
-	],
 	"editorStyle": "wp-block-quote-editor",
 	"style": "wp-block-quote"
 }
diff --git a/packages/block-library/src/quote/theme.scss b/packages/block-library/src/quote/theme.scss
index 2c5983003986a1..24068d36b82e6c 100644
--- a/packages/block-library/src/quote/theme.scss
+++ b/packages/block-library/src/quote/theme.scss
@@ -21,7 +21,7 @@
 		border: none;
 		padding-left: 0;
 	}
-	// .is-style-large and .is-large are kept for backwards compatibility.
+	// .is-style-plain, .is-style-large and .is-large are kept for backwards compatibility.
 	// They are not wrapped in `:where()` to keep specificity as it was before
 	// they were deprecated.
 	&:where(.is-style-plain),
diff --git a/test/e2e/specs/editor/various/patterns.spec.js b/test/e2e/specs/editor/various/patterns.spec.js
index a3af79289f2701..16f04f09a073d3 100644
--- a/test/e2e/specs/editor/various/patterns.spec.js
+++ b/test/e2e/specs/editor/various/patterns.spec.js
@@ -607,6 +607,8 @@ test.describe( 'Synced pattern', () => {
 				.getByRole( 'button', { name: 'Styles', exact: true } )
 		).toBeVisible();
 
+		await page.click( 'role=menuitem[name="Plain Style"i]' ); // Update the selector based on UI changes.
+
 		await editor.clickBlockOptionsMenuItem( 'Create pattern' );
 
 		const createPatternDialog = editor.page.getByRole( 'dialog', {