diff --git a/test/js/samples/debug-empty/expected.js b/test/js/samples/debug-empty/expected.js
index 5821faadf1..358363c661 100644
--- a/test/js/samples/debug-empty/expected.js
+++ b/test/js/samples/debug-empty/expected.js
@@ -103,7 +103,7 @@ class Component extends SvelteComponentDev {
 		});
 
 		const { ctx } = this.$$;
-		const props = options.props || ({});
+		const props = options.props || {};
 
 		if (/*name*/ ctx[0] === undefined && !("name" in props)) {
 			console.warn("<Component> was created without expected prop 'name'");
diff --git a/test/js/samples/debug-foo-bar-baz-things/expected.js b/test/js/samples/debug-foo-bar-baz-things/expected.js
index a1d6dba3b3..fc65c59eda 100644
--- a/test/js/samples/debug-foo-bar-baz-things/expected.js
+++ b/test/js/samples/debug-foo-bar-baz-things/expected.js
@@ -210,7 +210,7 @@ class Component extends SvelteComponentDev {
 		});
 
 		const { ctx } = this.$$;
-		const props = options.props || ({});
+		const props = options.props || {};
 
 		if (/*things*/ ctx[0] === undefined && !("things" in props)) {
 			console.warn("<Component> was created without expected prop 'things'");
diff --git a/test/js/samples/debug-foo/expected.js b/test/js/samples/debug-foo/expected.js
index af79667cc2..710d6b2232 100644
--- a/test/js/samples/debug-foo/expected.js
+++ b/test/js/samples/debug-foo/expected.js
@@ -198,7 +198,7 @@ class Component extends SvelteComponentDev {
 		});
 
 		const { ctx } = this.$$;
-		const props = options.props || ({});
+		const props = options.props || {};
 
 		if (/*things*/ ctx[0] === undefined && !("things" in props)) {
 			console.warn("<Component> was created without expected prop 'things'");
diff --git a/test/js/samples/dev-warning-missing-data-computed/expected.js b/test/js/samples/dev-warning-missing-data-computed/expected.js
index beb794a50c..cc16de67e6 100644
--- a/test/js/samples/dev-warning-missing-data-computed/expected.js
+++ b/test/js/samples/dev-warning-missing-data-computed/expected.js
@@ -107,7 +107,7 @@ class Component extends SvelteComponentDev {
 		});
 
 		const { ctx } = this.$$;
-		const props = options.props || ({});
+		const props = options.props || {};
 
 		if (/*foo*/ ctx[0] === undefined && !("foo" in props)) {
 			console.warn("<Component> was created without expected prop 'foo'");