diff --git a/test/js/samples/capture-inject-state/expected.js b/test/js/samples/capture-inject-state/expected.js
index 859314556580..017d9868d543 100644
--- a/test/js/samples/capture-inject-state/expected.js
+++ b/test/js/samples/capture-inject-state/expected.js
@@ -14,6 +14,7 @@ import {
 	space,
 	subscribe,
 	text,
+	validate_slot,
 	validate_store
 } from "svelte/internal";
 
@@ -114,6 +115,9 @@ function instance($$self, $$props, $$invalidate) {
 		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$") console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
+	let { $$slots = {}, $$scope } = $$props;
+	validate_slot($$slots, []);
+
 	$$self.$set = $$props => {
 		if ("prop" in $$props) $$subscribe_prop($$invalidate(0, prop = $$props.prop));
 		if ("alias" in $$props) $$invalidate(1, realName = $$props.alias);
diff --git a/test/js/samples/debug-empty/expected.js b/test/js/samples/debug-empty/expected.js
index 87d78bd69821..6f16a655eede 100644
--- a/test/js/samples/debug-empty/expected.js
+++ b/test/js/samples/debug-empty/expected.js
@@ -12,7 +12,8 @@ import {
 	safe_not_equal,
 	set_data_dev,
 	space,
-	text
+	text,
+	validate_slot
 } from "svelte/internal";
 
 const file = undefined;
@@ -75,6 +76,9 @@ function instance($$self, $$props, $$invalidate) {
 		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$") console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
+	let { $$slots = {}, $$scope } = $$props;
+	validate_slot($$slots, []);
+
 	$$self.$set = $$props => {
 		if ("name" in $$props) $$invalidate(0, name = $$props.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 589c4a783288..4352e981f842 100644
--- a/test/js/samples/debug-foo-bar-baz-things/expected.js
+++ b/test/js/samples/debug-foo-bar-baz-things/expected.js
@@ -14,7 +14,8 @@ import {
 	set_data_dev,
 	space,
 	text,
-	validate_each_argument
+	validate_each_argument,
+	validate_slot
 } from "svelte/internal";
 
 const file = undefined;
@@ -179,6 +180,9 @@ function instance($$self, $$props, $$invalidate) {
 		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$") console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
+	let { $$slots = {}, $$scope } = $$props;
+	validate_slot($$slots, []);
+
 	$$self.$set = $$props => {
 		if ("things" in $$props) $$invalidate(0, things = $$props.things);
 		if ("foo" in $$props) $$invalidate(1, foo = $$props.foo);
diff --git a/test/js/samples/debug-foo/expected.js b/test/js/samples/debug-foo/expected.js
index 10129e1b2837..8767eb3acaba 100644
--- a/test/js/samples/debug-foo/expected.js
+++ b/test/js/samples/debug-foo/expected.js
@@ -14,7 +14,8 @@ import {
 	set_data_dev,
 	space,
 	text,
-	validate_each_argument
+	validate_each_argument,
+	validate_slot
 } from "svelte/internal";
 
 const file = undefined;
@@ -171,6 +172,9 @@ function instance($$self, $$props, $$invalidate) {
 		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$") console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
+	let { $$slots = {}, $$scope } = $$props;
+	validate_slot($$slots, []);
+
 	$$self.$set = $$props => {
 		if ("things" in $$props) $$invalidate(0, things = $$props.things);
 		if ("foo" in $$props) $$invalidate(1, foo = $$props.foo);
diff --git a/test/js/samples/debug-hoisted/expected.js b/test/js/samples/debug-hoisted/expected.js
index 190ff12c50ee..a774f99b5de3 100644
--- a/test/js/samples/debug-hoisted/expected.js
+++ b/test/js/samples/debug-hoisted/expected.js
@@ -4,7 +4,8 @@ import {
 	dispatch_dev,
 	init,
 	noop,
-	safe_not_equal
+	safe_not_equal,
+	validate_slot
 } from "svelte/internal";
 
 const file = undefined;
@@ -56,6 +57,8 @@ function instance($$self, $$props, $$invalidate) {
 		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$") console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
+	let { $$slots = {}, $$scope } = $$props;
+	validate_slot($$slots, []);
 	$$self.$capture_state = () => ({ obj, kobzol });
 
 	$$self.$inject_state = $$props => {
diff --git a/test/js/samples/debug-no-dependencies/expected.js b/test/js/samples/debug-no-dependencies/expected.js
index a097869e747b..3f89b93bc11d 100644
--- a/test/js/samples/debug-no-dependencies/expected.js
+++ b/test/js/samples/debug-no-dependencies/expected.js
@@ -11,7 +11,8 @@ import {
 	safe_not_equal,
 	space,
 	text,
-	validate_each_argument
+	validate_each_argument,
+	validate_slot
 } from "svelte/internal";
 
 const file = undefined;
@@ -141,6 +142,8 @@ function instance($$self, $$props) {
 		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$") console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
+	let { $$slots = {}, $$scope } = $$props;
+	validate_slot($$slots, []);
 	return [];
 }
 
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 9c28e0406450..658260a080bf 100644
--- a/test/js/samples/dev-warning-missing-data-computed/expected.js
+++ b/test/js/samples/dev-warning-missing-data-computed/expected.js
@@ -12,7 +12,8 @@ import {
 	safe_not_equal,
 	set_data_dev,
 	space,
-	text
+	text,
+	validate_slot
 } from "svelte/internal";
 
 const file = undefined;
@@ -72,6 +73,9 @@ function instance($$self, $$props, $$invalidate) {
 		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$") console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
+	let { $$slots = {}, $$scope } = $$props;
+	validate_slot($$slots, []);
+
 	$$self.$set = $$props => {
 		if ("foo" in $$props) $$invalidate(0, foo = $$props.foo);
 	};
diff --git a/test/js/samples/loop-protect/expected.js b/test/js/samples/loop-protect/expected.js
index f433bd61a962..3dfd75911e84 100644
--- a/test/js/samples/loop-protect/expected.js
+++ b/test/js/samples/loop-protect/expected.js
@@ -11,7 +11,8 @@ import {
 	insert_dev,
 	loop_guard,
 	noop,
-	safe_not_equal
+	safe_not_equal,
+	validate_slot
 } from "svelte/internal";
 
 const { console: console_1 } = globals;
@@ -110,6 +111,9 @@ function instance($$self, $$props, $$invalidate) {
 		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$") console_1.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
+	let { $$slots = {}, $$scope } = $$props;
+	validate_slot($$slots, []);
+
 	function div_binding($$value) {
 		binding_callbacks[$$value ? "unshift" : "push"](() => {
 			$$invalidate(0, node = $$value);
@@ -161,4 +165,4 @@ class Component extends SvelteComponentDev {
 	}
 }
 
-export default Component;
+export default Component;
\ No newline at end of file