diff --git a/packages/svelte/tests/runtime-legacy/samples/binding-circular/_config.js b/packages/svelte/tests/runtime-legacy/samples/binding-circular/_config.js
index d2ef0abb1f..9d47f86aad 100644
--- a/packages/svelte/tests/runtime-legacy/samples/binding-circular/_config.js
+++ b/packages/svelte/tests/runtime-legacy/samples/binding-circular/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	ssrHtml: `
 		<select>
-			<option selected="" value="[object Object]">wheeee</option>
+			<option selected value="[object Object]">wheeee</option>
 		</select>
 	`
 });
diff --git a/packages/svelte/tests/runtime-legacy/samples/binding-indirect/_config.js b/packages/svelte/tests/runtime-legacy/samples/binding-indirect/_config.js
index fbd7d662a4..6e1feb70fa 100644
--- a/packages/svelte/tests/runtime-legacy/samples/binding-indirect/_config.js
+++ b/packages/svelte/tests/runtime-legacy/samples/binding-indirect/_config.js
@@ -19,7 +19,7 @@ export default test({
 
 	ssrHtml: `
 		<select>
-			<option selected="" value='[object Object]'>put your left leg in</option>
+			<option selected value='[object Object]'>put your left leg in</option>
 			<option value='[object Object]'>your left leg out</option>
 			<option value='[object Object]'>in, out, in, out</option>
 			<option value='[object Object]'>shake it all about</option>
@@ -41,7 +41,7 @@ export default test({
 			target.innerHTML,
 			`
 			<select>
-				<option ${variant === 'hydrate' ? 'selected="" ' : ''}value='[object Object]'>put your left leg in</option>
+				<option ${variant === 'hydrate' ? 'selected ' : ''}value='[object Object]'>put your left leg in</option>
 				<option value='[object Object]'>your left leg out</option>
 				<option value='[object Object]'>in, out, in, out</option>
 				<option value='[object Object]'>shake it all about</option>
@@ -78,7 +78,7 @@ export default test({
 			target.innerHTML,
 			`
 			<select>
-				<option ${variant === 'hydrate' ? 'selected="" ' : ''}value='[object Object]'>put your left leg in</option>
+				<option ${variant === 'hydrate' ? 'selected ' : ''}value='[object Object]'>put your left leg in</option>
 				<option value='[object Object]'>your left leg out</option>
 				<option value='[object Object]'>in, out, in, out</option>
 				<option value='[object Object]'>shake it all about</option>
@@ -115,7 +115,7 @@ export default test({
 			target.innerHTML,
 			`
 			<select>
-				<option ${variant === 'hydrate' ? 'selected="" ' : ''}value='[object Object]'>put your left leg in</option>
+				<option ${variant === 'hydrate' ? 'selected ' : ''}value='[object Object]'>put your left leg in</option>
 				<option value='[object Object]'>your left leg out</option>
 				<option value='[object Object]'>in, out, in, out</option>
 				<option value='[object Object]'>shake it all about</option>
diff --git a/packages/svelte/tests/runtime-legacy/samples/binding-select-implicit-option-value/_config.js b/packages/svelte/tests/runtime-legacy/samples/binding-select-implicit-option-value/_config.js
index 103876faa5..dd88c10c71 100644
--- a/packages/svelte/tests/runtime-legacy/samples/binding-select-implicit-option-value/_config.js
+++ b/packages/svelte/tests/runtime-legacy/samples/binding-select-implicit-option-value/_config.js
@@ -9,7 +9,7 @@ export default test({
 	ssrHtml: `
 		<select>
 			<option value="1">1</option>
-			<option selected="" value="2">2</option>
+			<option selected value="2">2</option>
 			<option value="3">3</option>
 		</select>
 
@@ -22,7 +22,7 @@ export default test({
 			`
 			<select>
 				<option value="1">1</option>
-				<option ${variant === 'hydrate' ? 'selected="" ' : ''}value="2">2</option>
+				<option ${variant === 'hydrate' ? 'selected ' : ''}value="2">2</option>
 				<option value="3">3</option>
 			</select>
 
@@ -48,7 +48,7 @@ export default test({
 			`
 			<select>
 				<option value="1">1</option>
-				<option ${variant === 'hydrate' ? 'selected="" ' : ''}value="2">2</option>
+				<option ${variant === 'hydrate' ? 'selected ' : ''}value="2">2</option>
 				<option value="3">3</option>
 			</select>
 
diff --git a/packages/svelte/tests/runtime-legacy/samples/binding-select-in-each-block/_config.js b/packages/svelte/tests/runtime-legacy/samples/binding-select-in-each-block/_config.js
index 741804fba1..033ae99bbc 100644
--- a/packages/svelte/tests/runtime-legacy/samples/binding-select-in-each-block/_config.js
+++ b/packages/svelte/tests/runtime-legacy/samples/binding-select-in-each-block/_config.js
@@ -3,13 +3,13 @@ import { test } from '../../test';
 export default test({
 	ssrHtml: `
 		<select>
-			<option selected="" value='hullo'>Hullo</option>
+			<option selected value='hullo'>Hullo</option>
 			<option value='world'>World</option>
 		</select>
 
 		<select>
 			<option value='hullo'>Hullo</option>
-			<option selected="" value='world'>World</option>
+			<option selected value='world'>World</option>
 		</select>
 	`,
 
@@ -24,13 +24,13 @@ export default test({
 			target.innerHTML,
 			`
 			<select>
-				<option ${variant === 'hydrate' ? 'selected="" ' : ''}value='hullo'>Hullo</option>
+				<option ${variant === 'hydrate' ? 'selected ' : ''}value='hullo'>Hullo</option>
 				<option value='world'>World</option>
 			</select>
 
 			<select>
 				<option value='hullo'>Hullo</option>
-				<option ${variant === 'hydrate' ? 'selected="" ' : ''}value='world'>World</option>
+				<option ${variant === 'hydrate' ? 'selected ' : ''}value='world'>World</option>
 			</select>
 		`
 		);
diff --git a/packages/svelte/tests/runtime-legacy/samples/binding-select-initial-value-undefined-2/_config.js b/packages/svelte/tests/runtime-legacy/samples/binding-select-initial-value-undefined-2/_config.js
index cb5d26b913..3cc4992dcb 100644
--- a/packages/svelte/tests/runtime-legacy/samples/binding-select-initial-value-undefined-2/_config.js
+++ b/packages/svelte/tests/runtime-legacy/samples/binding-select-initial-value-undefined-2/_config.js
@@ -8,7 +8,7 @@ export default test({
 
 		<select>
 			<option>a</option>
-			<option selected="">b</option>
+			<option selected>b</option>
 			<option>c</option>
 		</select>
 
diff --git a/packages/svelte/tests/runtime-legacy/samples/select-in-each/_config.js b/packages/svelte/tests/runtime-legacy/samples/select-in-each/_config.js
index edb68b7170..4c94ea1e01 100644
--- a/packages/svelte/tests/runtime-legacy/samples/select-in-each/_config.js
+++ b/packages/svelte/tests/runtime-legacy/samples/select-in-each/_config.js
@@ -7,7 +7,7 @@ export default test({
 			target.innerHTML,
 			`
 			<select>
-				<option${variant === 'hydrate' ? ' selected=""' : ''} value="a">A</option$>
+				<option${variant === 'hydrate' ? ' selected' : ''} value="a">A</option$>
 				<option value="b">B</option>
 			</select>
 			selected: a
@@ -23,7 +23,7 @@ export default test({
 			target.innerHTML,
 			`
 			<select>
-				<option${variant === 'hydrate' ? ' selected=""' : ''} value="a">A</option$>
+				<option${variant === 'hydrate' ? ' selected' : ''} value="a">A</option$>
 				<option value="b">B</option>
 			</select>
 			selected: b