diff --git a/packages/svelte/src/compiler/index.js b/packages/svelte/src/compiler/index.js
index 3f8d117ae9..e2a4dddc07 100644
--- a/packages/svelte/src/compiler/index.js
+++ b/packages/svelte/src/compiler/index.js
@@ -140,6 +140,7 @@ function to_public_ast(source, ast, modern) {
 	if (modern) {
 		const clean = (/** @type {any} */ node) => {
 			delete node.metadata;
+			delete node.parenthesized;
 		};
 
 		ast.options?.attributes.forEach((attribute) => {
diff --git a/packages/svelte/src/compiler/legacy.js b/packages/svelte/src/compiler/legacy.js
index c51cd8434b..e0535f1573 100644
--- a/packages/svelte/src/compiler/legacy.js
+++ b/packages/svelte/src/compiler/legacy.js
@@ -47,6 +47,8 @@ export function convert(source, ast) {
 			_(node, { next }) {
 				// @ts-ignore
 				delete node.metadata;
+				// @ts-ignore
+				delete node.parenthesized;
 				next();
 			},
 			// @ts-ignore
diff --git a/packages/svelte/tests/parser-modern/samples/const-tag-parenthesized-init/output.json b/packages/svelte/tests/parser-modern/samples/const-tag-parenthesized-init/output.json
index 647181d440..83be9b6c94 100644
--- a/packages/svelte/tests/parser-modern/samples/const-tag-parenthesized-init/output.json
+++ b/packages/svelte/tests/parser-modern/samples/const-tag-parenthesized-init/output.json
@@ -77,7 +77,6 @@
 													"column": 24
 												}
 											},
-											"parenthesized": true,
 											"object": {
 												"type": "Identifier",
 												"start": 36,
@@ -188,7 +187,6 @@
 													"column": 24
 												}
 											},
-											"parenthesized": true,
 											"operator": "=",
 											"left": {
 												"type": "Identifier",
@@ -331,7 +329,6 @@
 													"column": 27
 												}
 											},
-											"parenthesized": true,
 											"properties": [
 												{
 													"type": "Property",
diff --git a/packages/svelte/tests/parser-modern/samples/each-block-object-pattern/output.json b/packages/svelte/tests/parser-modern/samples/each-block-object-pattern/output.json
index fd304d6685..60fb4c4c09 100644
--- a/packages/svelte/tests/parser-modern/samples/each-block-object-pattern/output.json
+++ b/packages/svelte/tests/parser-modern/samples/each-block-object-pattern/output.json
@@ -1005,7 +1005,6 @@
 												"column": 60
 											}
 										},
-										"parenthesized": true,
 										"id": null,
 										"expression": false,
 										"generator": false,
diff --git a/packages/svelte/tests/parser-modern/samples/parens/output.json b/packages/svelte/tests/parser-modern/samples/parens/output.json
index b537ef5076..3543cad410 100644
--- a/packages/svelte/tests/parser-modern/samples/parens/output.json
+++ b/packages/svelte/tests/parser-modern/samples/parens/output.json
@@ -25,7 +25,6 @@
 							"column": 9
 						}
 					},
-					"parenthesized": true,
 					"leadingComments": [
 						{
 							"type": "Block",