diff --git a/src/compile/Component.ts b/src/compile/Component.ts
index 037880eff5..bbcc290518 100644
--- a/src/compile/Component.ts
+++ b/src/compile/Component.ts
@@ -26,6 +26,7 @@ type ComponentOptions = {
 	namespace?: string;
 	tag?: string;
 	immutable?: boolean;
+	accessors?: boolean;
 };
 
 // We need to tell estree-walker that it should always
@@ -52,6 +53,7 @@ export default class Component {
 	componentOptions: ComponentOptions;
 	namespace: string;
 	tag: string;
+	accessors: boolean;
 
 	vars: Var[] = [];
 	var_lookup: Map<string, Var> = new Map();
@@ -1155,7 +1157,10 @@ export default class Component {
 
 function process_component_options(component: Component, nodes) {
 	const componentOptions: ComponentOptions = {
-		immutable: component.compileOptions.immutable || false
+		immutable: component.compileOptions.immutable || false,
+		accessors: 'accessors' in component.compileOptions
+			? component.compileOptions.accessors
+			: !!component.compileOptions.customElement
 	};
 
 	const node = nodes.find(node => node.name === 'svelte:options');
@@ -1229,14 +1234,15 @@ function process_component_options(component: Component, nodes) {
 						break;
 					}
 
+					case 'accessors':
 					case 'immutable':
-						const code = `invalid-immutable-value`;
-						const message = `immutable attribute must be true or false`
+						const code = `invalid-${name}-value`;
+						const message = `${name} attribute must be true or false`
 						const value = get_value(attribute, code, message);
 
 						if (typeof value !== 'boolean') component.error(attribute, { code, message });
 
-						componentOptions.immutable = value;
+						componentOptions[name] = value;
 						break;
 
 					default:
@@ -1250,7 +1256,7 @@ function process_component_options(component: Component, nodes) {
 			else {
 				component.error(attribute, {
 					code: `invalid-options-attribute`,
-					message: `<svelte:options> can only have static 'tag', 'namespace' and 'immutable' attributes`
+					message: `<svelte:options> can only have static 'tag', 'namespace', 'accessors' and 'immutable' attributes`
 				});
 			}
 		});
diff --git a/src/compile/index.ts b/src/compile/index.ts
index 704d5bd706..aee72fcd9e 100644
--- a/src/compile/index.ts
+++ b/src/compile/index.ts
@@ -16,6 +16,7 @@ const valid_options = [
 	'cssOutputFilename',
 	'sveltePath',
 	'dev',
+	'accessors',
 	'immutable',
 	'hydratable',
 	'legacy',
diff --git a/src/compile/render-dom/index.ts b/src/compile/render-dom/index.ts
index 5def2edd04..b7a5698c93 100644
--- a/src/compile/render-dom/index.ts
+++ b/src/compile/render-dom/index.ts
@@ -102,7 +102,7 @@ export default function dom(
 					return ${x.name};
 				}
 			`);
-		} else {
+		} else if (component.componentOptions.accessors) {
 			body.push(deindent`
 				get ${x.export_name}() {
 					return this.$$.ctx.${x.name};
@@ -111,12 +111,14 @@ export default function dom(
 		}
 
 		if (variable.writable && !renderer.readonly.has(x.export_name)) {
-			body.push(deindent`
-				set ${x.export_name}(${x.name}) {
-					this.$set({ ${x.name} });
-					@flush();
-				}
-			`);
+			if (component.componentOptions.accessors) {
+				body.push(deindent`
+					set ${x.export_name}(${x.name}) {
+						this.$set({ ${x.name} });
+						@flush();
+					}
+				`);
+			}
 		} else if (component.compileOptions.dev) {
 			body.push(deindent`
 				set ${x.export_name}(value) {
diff --git a/src/interfaces.ts b/src/interfaces.ts
index b3e778a48b..bc2a672c47 100644
--- a/src/interfaces.ts
+++ b/src/interfaces.ts
@@ -49,6 +49,7 @@ export interface CompileOptions {
 	sveltePath?: string;
 
 	dev?: boolean;
+	accessors?: boolean;
 	immutable?: boolean;
 	hydratable?: boolean;
 	legacy?: boolean;
diff --git a/test/hydration/samples/element-ref/main.svelte b/test/hydration/samples/element-ref/main.svelte
index 20aaa794fa..f81f55e42d 100644
--- a/test/hydration/samples/element-ref/main.svelte
+++ b/test/hydration/samples/element-ref/main.svelte
@@ -1,3 +1,5 @@
+<svelte:options accessors/>
+
 <script>
 	export let h1;
 </script>
diff --git a/test/hydration/samples/if-block-update/main.svelte b/test/hydration/samples/if-block-update/main.svelte
index 5c22693283..136266a445 100644
--- a/test/hydration/samples/if-block-update/main.svelte
+++ b/test/hydration/samples/if-block-update/main.svelte
@@ -1,3 +1,5 @@
+<svelte:options accessors={true}/>
+
 <script>
 	export let foo;
 	export let bar;
diff --git a/test/js/samples/action-custom-event-handler/expected.js b/test/js/samples/action-custom-event-handler/expected.js
index b8b0432e0a..f5b3a87c84 100644
--- a/test/js/samples/action-custom-event-handler/expected.js
+++ b/test/js/samples/action-custom-event-handler/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, createElement, detachNode, flush, init, insert, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, createElement, detachNode, init, insert, noop, safe_not_equal } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var button, foo_action;
@@ -56,15 +56,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["bar"]);
 	}
-
-	get bar() {
-		return this.$$.ctx.bar;
-	}
-
-	set bar(bar) {
-		this.$set({ bar });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/bind-width-height/expected.js b/test/js/samples/bind-width-height/expected.js
index 8f83048023..f8b17f3de7 100644
--- a/test/js/samples/bind-width-height/expected.js
+++ b/test/js/samples/bind-width-height/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, addResizeListener, add_render_callback, createElement, detachNode, flush, init, insert, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, addResizeListener, add_render_callback, createElement, detachNode, init, insert, noop, safe_not_equal } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var div, div_resize_listener;
@@ -53,24 +53,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["w", "h"]);
 	}
-
-	get w() {
-		return this.$$.ctx.w;
-	}
-
-	set w(w) {
-		this.$set({ w });
-		flush();
-	}
-
-	get h() {
-		return this.$$.ctx.h;
-	}
-
-	set h(h) {
-		this.$set({ h });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/collapses-text-around-comments/expected.js b/test/js/samples/collapses-text-around-comments/expected.js
index 64db968c37..5a8971391c 100644
--- a/test/js/samples/collapses-text-around-comments/expected.js
+++ b/test/js/samples/collapses-text-around-comments/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, append, createElement, createText, detachNode, flush, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, append, createElement, createText, detachNode, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
 
 function add_css() {
 	var style = createElement("style");
@@ -56,15 +56,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		if (!document.getElementById("svelte-1a7i8ec-style")) add_css();
 		init(this, options, instance, create_fragment, safe_not_equal, ["foo"]);
 	}
-
-	get foo() {
-		return this.$$.ctx.foo;
-	}
-
-	set foo(foo) {
-		this.$set({ foo });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/computed-collapsed-if/expected.js b/test/js/samples/computed-collapsed-if/expected.js
index 7f3224f5cd..855a70e7ae 100644
--- a/test/js/samples/computed-collapsed-if/expected.js
+++ b/test/js/samples/computed-collapsed-if/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, flush, init, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, init, noop, safe_not_equal } from "svelte/internal";
 
 function create_fragment(ctx) {
 	return {
@@ -35,23 +35,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["x", "a", "b"]);
 	}
-
-	get x() {
-		return this.$$.ctx.x;
-	}
-
-	set x(x) {
-		this.$set({ x });
-		flush();
-	}
-
-	get a() {
-		return this.$$.ctx.a;
-	}
-
-	get b() {
-		return this.$$.ctx.b;
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/debug-empty/expected.js b/test/js/samples/debug-empty/expected.js
index 9e747d9317..9fd782a3c4 100644
--- a/test/js/samples/debug-empty/expected.js
+++ b/test/js/samples/debug-empty/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponentDev, addLoc, append, createElement, createText, detachNode, flush, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
+import { SvelteComponentDev, addLoc, append, createElement, createText, detachNode, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
 
 const file = undefined;
 
@@ -70,15 +70,6 @@ class SvelteComponent extends SvelteComponentDev {
 			console.warn("<SvelteComponent> was created without expected prop 'name'");
 		}
 	}
-
-	get name() {
-		return this.$$.ctx.name;
-	}
-
-	set name(name) {
-		this.$set({ name });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
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 f6060ca3ae..ad8e0b24ab 100644
--- a/test/js/samples/debug-foo-bar-baz-things/expected.js
+++ b/test/js/samples/debug-foo-bar-baz-things/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponentDev, addLoc, append, createElement, createText, destroyEach, detachNode, flush, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
+import { SvelteComponentDev, addLoc, append, createElement, createText, destroyEach, detachNode, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
 
 const file = undefined;
 
@@ -167,42 +167,6 @@ class SvelteComponent extends SvelteComponentDev {
 			console.warn("<SvelteComponent> was created without expected prop 'baz'");
 		}
 	}
-
-	get things() {
-		return this.$$.ctx.things;
-	}
-
-	set things(things) {
-		this.$set({ things });
-		flush();
-	}
-
-	get foo() {
-		return this.$$.ctx.foo;
-	}
-
-	set foo(foo) {
-		this.$set({ foo });
-		flush();
-	}
-
-	get bar() {
-		return this.$$.ctx.bar;
-	}
-
-	set bar(bar) {
-		this.$set({ bar });
-		flush();
-	}
-
-	get baz() {
-		return this.$$.ctx.baz;
-	}
-
-	set baz(baz) {
-		this.$set({ baz });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/debug-foo/expected.js b/test/js/samples/debug-foo/expected.js
index bf6faaf864..a9af1676e2 100644
--- a/test/js/samples/debug-foo/expected.js
+++ b/test/js/samples/debug-foo/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponentDev, addLoc, append, createElement, createText, destroyEach, detachNode, flush, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
+import { SvelteComponentDev, addLoc, append, createElement, createText, destroyEach, detachNode, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
 
 const file = undefined;
 
@@ -159,24 +159,6 @@ class SvelteComponent extends SvelteComponentDev {
 			console.warn("<SvelteComponent> was created without expected prop 'foo'");
 		}
 	}
-
-	get things() {
-		return this.$$.ctx.things;
-	}
-
-	set things(things) {
-		this.$set({ things });
-		flush();
-	}
-
-	get foo() {
-		return this.$$.ctx.foo;
-	}
-
-	set foo(foo) {
-		this.$set({ foo });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/deconflict-builtins/expected.js b/test/js/samples/deconflict-builtins/expected.js
index fc57045661..8161f7c661 100644
--- a/test/js/samples/deconflict-builtins/expected.js
+++ b/test/js/samples/deconflict-builtins/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, append, createComment, createElement as createElement_1, createText, destroyEach, detachNode, flush, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, append, createComment, createElement as createElement_1, createText, destroyEach, detachNode, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
 
 function get_each_context(ctx, list, i) {
 	const child_ctx = Object.create(ctx);
@@ -115,15 +115,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["createElement"]);
 	}
-
-	get createElement() {
-		return this.$$.ctx.createElement;
-	}
-
-	set createElement(createElement) {
-		this.$set({ createElement });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/deconflict-globals/expected.js b/test/js/samples/deconflict-globals/expected.js
index 181514f1a0..c9754108af 100644
--- a/test/js/samples/deconflict-globals/expected.js
+++ b/test/js/samples/deconflict-globals/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, flush, init, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, init, noop, safe_not_equal } from "svelte/internal";
 import { onMount } from "svelte";
 
 function create_fragment(ctx) {
@@ -32,15 +32,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["foo"]);
 	}
-
-	get foo() {
-		return this.$$.ctx.foo;
-	}
-
-	set foo(foo) {
-		this.$set({ foo });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
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 7495bd1c52..b8976fd405 100644
--- a/test/js/samples/dev-warning-missing-data-computed/expected.js
+++ b/test/js/samples/dev-warning-missing-data-computed/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponentDev, addLoc, append, createElement, createText, detachNode, flush, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
+import { SvelteComponentDev, addLoc, append, createElement, createText, detachNode, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
 
 const file = undefined;
 
@@ -76,15 +76,6 @@ class SvelteComponent extends SvelteComponentDev {
 			console.warn("<SvelteComponent> was created without expected prop 'foo'");
 		}
 	}
-
-	get foo() {
-		return this.$$.ctx.foo;
-	}
-
-	set foo(foo) {
-		this.$set({ foo });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/do-use-dataset/expected.js b/test/js/samples/do-use-dataset/expected.js
index 84dae1581a..fd8aeab7b2 100644
--- a/test/js/samples/do-use-dataset/expected.js
+++ b/test/js/samples/do-use-dataset/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, createElement, createText, detachNode, flush, init, insert, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, createElement, createText, detachNode, init, insert, noop, safe_not_equal } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var div0, text, div1;
@@ -53,15 +53,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["bar"]);
 	}
-
-	get bar() {
-		return this.$$.ctx.bar;
-	}
-
-	set bar(bar) {
-		this.$set({ bar });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/dont-use-dataset-in-legacy/expected.js b/test/js/samples/dont-use-dataset-in-legacy/expected.js
index bea8e498c2..ab0db608ee 100644
--- a/test/js/samples/dont-use-dataset-in-legacy/expected.js
+++ b/test/js/samples/dont-use-dataset-in-legacy/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, createElement, createText, detachNode, flush, init, insert, noop, safe_not_equal, setAttribute } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, createElement, createText, detachNode, init, insert, noop, safe_not_equal, setAttribute } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var div0, text, div1;
@@ -53,15 +53,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["bar"]);
 	}
-
-	get bar() {
-		return this.$$.ctx.bar;
-	}
-
-	set bar(bar) {
-		this.$set({ bar });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/dont-use-dataset-in-svg/expected.js b/test/js/samples/dont-use-dataset-in-svg/expected.js
index e56ad1d7b8..7648e60313 100644
--- a/test/js/samples/dont-use-dataset-in-svg/expected.js
+++ b/test/js/samples/dont-use-dataset-in-svg/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, append, createSvgElement, detachNode, flush, init, insert, noop, safe_not_equal, setAttribute } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, append, createSvgElement, detachNode, init, insert, noop, safe_not_equal, setAttribute } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var svg, g0, g1;
@@ -51,15 +51,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["bar"]);
 	}
-
-	get bar() {
-		return this.$$.ctx.bar;
-	}
-
-	set bar(bar) {
-		this.$set({ bar });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/each-block-array-literal/expected.js b/test/js/samples/each-block-array-literal/expected.js
index c5af19fbe7..8cc11dff47 100644
--- a/test/js/samples/each-block-array-literal/expected.js
+++ b/test/js/samples/each-block-array-literal/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, append, createComment, createElement, createText, destroyEach, detachNode, flush, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, append, createComment, createElement, createText, destroyEach, detachNode, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
 
 function get_each_context(ctx, list, i) {
 	const child_ctx = Object.create(ctx);
@@ -118,51 +118,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["a", "b", "c", "d", "e"]);
 	}
-
-	get a() {
-		return this.$$.ctx.a;
-	}
-
-	set a(a) {
-		this.$set({ a });
-		flush();
-	}
-
-	get b() {
-		return this.$$.ctx.b;
-	}
-
-	set b(b) {
-		this.$set({ b });
-		flush();
-	}
-
-	get c() {
-		return this.$$.ctx.c;
-	}
-
-	set c(c) {
-		this.$set({ c });
-		flush();
-	}
-
-	get d() {
-		return this.$$.ctx.d;
-	}
-
-	set d(d) {
-		this.$set({ d });
-		flush();
-	}
-
-	get e() {
-		return this.$$.ctx.e;
-	}
-
-	set e(e) {
-		this.$set({ e });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/each-block-changed-check/expected.js b/test/js/samples/each-block-changed-check/expected.js
index 864c176e8a..d43771b9a2 100644
--- a/test/js/samples/each-block-changed-check/expected.js
+++ b/test/js/samples/each-block-changed-check/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, append, createElement, createText, destroyEach, detachAfter, detachNode, flush, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, append, createElement, createText, destroyEach, detachAfter, detachNode, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
 
 function get_each_context(ctx, list, i) {
 	const child_ctx = Object.create(ctx);
@@ -158,42 +158,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["comments", "elapsed", "time", "foo"]);
 	}
-
-	get comments() {
-		return this.$$.ctx.comments;
-	}
-
-	set comments(comments) {
-		this.$set({ comments });
-		flush();
-	}
-
-	get elapsed() {
-		return this.$$.ctx.elapsed;
-	}
-
-	set elapsed(elapsed) {
-		this.$set({ elapsed });
-		flush();
-	}
-
-	get time() {
-		return this.$$.ctx.time;
-	}
-
-	set time(time) {
-		this.$set({ time });
-		flush();
-	}
-
-	get foo() {
-		return this.$$.ctx.foo;
-	}
-
-	set foo(foo) {
-		this.$set({ foo });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/each-block-keyed-animated/expected.js b/test/js/samples/each-block-keyed-animated/expected.js
index 907f7b88f4..cd37a916f6 100644
--- a/test/js/samples/each-block-keyed-animated/expected.js
+++ b/test/js/samples/each-block-keyed-animated/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, append, blankObject, createComment, createElement, createText, create_animation, detachNode, fixAndOutroAndDestroyBlock, fix_position, flush, init, insert, noop, safe_not_equal, setData, updateKeyedEach } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, append, blankObject, createComment, createElement, createText, create_animation, detachNode, fixAndOutroAndDestroyBlock, fix_position, init, insert, noop, safe_not_equal, setData, updateKeyedEach } from "svelte/internal";
 
 function get_each_context(ctx, list, i) {
 	const child_ctx = Object.create(ctx);
@@ -130,15 +130,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["things"]);
 	}
-
-	get things() {
-		return this.$$.ctx.things;
-	}
-
-	set things(things) {
-		this.$set({ things });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/each-block-keyed/expected.js b/test/js/samples/each-block-keyed/expected.js
index ac6854fcda..081391780f 100644
--- a/test/js/samples/each-block-keyed/expected.js
+++ b/test/js/samples/each-block-keyed/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, append, blankObject, createComment, createElement, createText, destroyBlock, detachNode, flush, init, insert, noop, safe_not_equal, setData, updateKeyedEach } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, append, blankObject, createComment, createElement, createText, destroyBlock, detachNode, init, insert, noop, safe_not_equal, setData, updateKeyedEach } from "svelte/internal";
 
 function get_each_context(ctx, list, i) {
 	const child_ctx = Object.create(ctx);
@@ -100,15 +100,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["things"]);
 	}
-
-	get things() {
-		return this.$$.ctx.things;
-	}
-
-	set things(things) {
-		this.$set({ things });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/if-block-no-update/expected.js b/test/js/samples/if-block-no-update/expected.js
index 4e8ebee7c0..b161285ffb 100644
--- a/test/js/samples/if-block-no-update/expected.js
+++ b/test/js/samples/if-block-no-update/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, createComment, createElement, detachNode, flush, init, insert, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, createComment, createElement, detachNode, init, insert, noop, safe_not_equal } from "svelte/internal";
 
 // (7:0) {:else}
 function create_else_block(ctx) {
@@ -106,15 +106,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["foo"]);
 	}
-
-	get foo() {
-		return this.$$.ctx.foo;
-	}
-
-	set foo(foo) {
-		this.$set({ foo });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/if-block-simple/expected.js b/test/js/samples/if-block-simple/expected.js
index 20247e086e..db5fe0c42c 100644
--- a/test/js/samples/if-block-simple/expected.js
+++ b/test/js/samples/if-block-simple/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, createComment, createElement, detachNode, flush, init, insert, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, createComment, createElement, detachNode, init, insert, noop, safe_not_equal } from "svelte/internal";
 
 // (5:0) {#if foo}
 function create_if_block(ctx) {
@@ -80,15 +80,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["foo"]);
 	}
-
-	get foo() {
-		return this.$$.ctx.foo;
-	}
-
-	set foo(foo) {
-		this.$set({ foo });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/inline-style-optimized-multiple/expected.js b/test/js/samples/inline-style-optimized-multiple/expected.js
index d3864dca1c..4b2c59672a 100644
--- a/test/js/samples/inline-style-optimized-multiple/expected.js
+++ b/test/js/samples/inline-style-optimized-multiple/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, createElement, detachNode, flush, init, insert, noop, safe_not_equal, setStyle } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, createElement, detachNode, init, insert, noop, safe_not_equal, setStyle } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var div;
@@ -53,33 +53,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["color", "x", "y"]);
 	}
-
-	get color() {
-		return this.$$.ctx.color;
-	}
-
-	set color(color) {
-		this.$set({ color });
-		flush();
-	}
-
-	get x() {
-		return this.$$.ctx.x;
-	}
-
-	set x(x) {
-		this.$set({ x });
-		flush();
-	}
-
-	get y() {
-		return this.$$.ctx.y;
-	}
-
-	set y(y) {
-		this.$set({ y });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/inline-style-optimized-url/expected.js b/test/js/samples/inline-style-optimized-url/expected.js
index e310acc6db..dd64e40950 100644
--- a/test/js/samples/inline-style-optimized-url/expected.js
+++ b/test/js/samples/inline-style-optimized-url/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, createElement, detachNode, flush, init, insert, noop, safe_not_equal, setStyle } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, createElement, detachNode, init, insert, noop, safe_not_equal, setStyle } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var div;
@@ -46,15 +46,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["data"]);
 	}
-
-	get data() {
-		return this.$$.ctx.data;
-	}
-
-	set data(data) {
-		this.$set({ data });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/inline-style-optimized/expected.js b/test/js/samples/inline-style-optimized/expected.js
index b1286fdf06..3948bc5fb0 100644
--- a/test/js/samples/inline-style-optimized/expected.js
+++ b/test/js/samples/inline-style-optimized/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, createElement, detachNode, flush, init, insert, noop, safe_not_equal, setStyle } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, createElement, detachNode, init, insert, noop, safe_not_equal, setStyle } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var div;
@@ -46,15 +46,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["color"]);
 	}
-
-	get color() {
-		return this.$$.ctx.color;
-	}
-
-	set color(color) {
-		this.$set({ color });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/inline-style-unoptimized/expected.js b/test/js/samples/inline-style-unoptimized/expected.js
index 335ee65327..b9379a6838 100644
--- a/test/js/samples/inline-style-unoptimized/expected.js
+++ b/test/js/samples/inline-style-unoptimized/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, createElement, createText, detachNode, flush, init, insert, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, createElement, createText, detachNode, init, insert, noop, safe_not_equal } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var div0, text, div1, div1_style_value;
@@ -59,33 +59,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["style", "key", "value"]);
 	}
-
-	get style() {
-		return this.$$.ctx.style;
-	}
-
-	set style(style) {
-		this.$set({ style });
-		flush();
-	}
-
-	get key() {
-		return this.$$.ctx.key;
-	}
-
-	set key(key) {
-		this.$set({ key });
-		flush();
-	}
-
-	get value() {
-		return this.$$.ctx.value;
-	}
-
-	set value(value) {
-		this.$set({ value });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/input-files/expected.js b/test/js/samples/input-files/expected.js
index c8653a51c8..697364106b 100644
--- a/test/js/samples/input-files/expected.js
+++ b/test/js/samples/input-files/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, addListener, createElement, detachNode, flush, init, insert, noop, safe_not_equal, setAttribute } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, addListener, createElement, detachNode, init, insert, noop, safe_not_equal, setAttribute } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var input, dispose;
@@ -50,15 +50,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["files"]);
 	}
-
-	get files() {
-		return this.$$.ctx.files;
-	}
-
-	set files(files) {
-		this.$set({ files });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/input-range/expected.js b/test/js/samples/input-range/expected.js
index 7b7e5db0f1..fff193f8e5 100644
--- a/test/js/samples/input-range/expected.js
+++ b/test/js/samples/input-range/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, addListener, createElement, detachNode, flush, init, insert, noop, run_all, safe_not_equal, setAttribute, toNumber } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, addListener, createElement, detachNode, init, insert, noop, run_all, safe_not_equal, setAttribute, toNumber } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var input, dispose;
@@ -58,15 +58,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["value"]);
 	}
-
-	get value() {
-		return this.$$.ctx.value;
-	}
-
-	set value(value) {
-		this.$set({ value });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/input-without-blowback-guard/expected.js b/test/js/samples/input-without-blowback-guard/expected.js
index 9dcd265990..e97e4d1b0d 100644
--- a/test/js/samples/input-without-blowback-guard/expected.js
+++ b/test/js/samples/input-without-blowback-guard/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, addListener, createElement, detachNode, flush, init, insert, noop, safe_not_equal, setAttribute } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, addListener, createElement, detachNode, init, insert, noop, safe_not_equal, setAttribute } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var input, dispose;
@@ -54,15 +54,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["foo"]);
 	}
-
-	get foo() {
-		return this.$$.ctx.foo;
-	}
-
-	set foo(foo) {
-		this.$set({ foo });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/media-bindings/expected.js b/test/js/samples/media-bindings/expected.js
index 359ba388aa..97b6dbc82c 100644
--- a/test/js/samples/media-bindings/expected.js
+++ b/test/js/samples/media-bindings/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, addListener, add_render_callback, createElement, detachNode, flush, init, insert, noop, run_all, safe_not_equal, timeRangesToArray } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, addListener, add_render_callback, createElement, detachNode, init, insert, noop, run_all, safe_not_equal, timeRangesToArray } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var audio, audio_updating = false, audio_animationframe, audio_is_paused = true, dispose;
@@ -125,69 +125,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["buffered", "seekable", "played", "currentTime", "duration", "paused", "volume"]);
 	}
-
-	get buffered() {
-		return this.$$.ctx.buffered;
-	}
-
-	set buffered(buffered) {
-		this.$set({ buffered });
-		flush();
-	}
-
-	get seekable() {
-		return this.$$.ctx.seekable;
-	}
-
-	set seekable(seekable) {
-		this.$set({ seekable });
-		flush();
-	}
-
-	get played() {
-		return this.$$.ctx.played;
-	}
-
-	set played(played) {
-		this.$set({ played });
-		flush();
-	}
-
-	get currentTime() {
-		return this.$$.ctx.currentTime;
-	}
-
-	set currentTime(currentTime) {
-		this.$set({ currentTime });
-		flush();
-	}
-
-	get duration() {
-		return this.$$.ctx.duration;
-	}
-
-	set duration(duration) {
-		this.$set({ duration });
-		flush();
-	}
-
-	get paused() {
-		return this.$$.ctx.paused;
-	}
-
-	set paused(paused) {
-		this.$set({ paused });
-		flush();
-	}
-
-	get volume() {
-		return this.$$.ctx.volume;
-	}
-
-	set volume(volume) {
-		this.$set({ volume });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/reactive-values-non-topologically-ordered/expected.js b/test/js/samples/reactive-values-non-topologically-ordered/expected.js
index dc76e9e712..1145cf9b7e 100644
--- a/test/js/samples/reactive-values-non-topologically-ordered/expected.js
+++ b/test/js/samples/reactive-values-non-topologically-ordered/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, flush, init, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, init, noop, safe_not_equal } from "svelte/internal";
 
 function create_fragment(ctx) {
 	return {
@@ -39,15 +39,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["x"]);
 	}
-
-	get x() {
-		return this.$$.ctx.x;
-	}
-
-	set x(x) {
-		this.$set({ x });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/select-dynamic-value/expected.js b/test/js/samples/select-dynamic-value/expected.js
index fefac893b7..8e875e3dd0 100644
--- a/test/js/samples/select-dynamic-value/expected.js
+++ b/test/js/samples/select-dynamic-value/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, append, createElement, detachNode, flush, init, insert, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, append, createElement, detachNode, init, insert, noop, safe_not_equal } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var select, option0, option1, select_value_value;
@@ -72,15 +72,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["current"]);
 	}
-
-	get current() {
-		return this.$$.ctx.current;
-	}
-
-	set current(current) {
-		this.$set({ current });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/title/expected.js b/test/js/samples/title/expected.js
index d34401af87..c9be2e6039 100644
--- a/test/js/samples/title/expected.js
+++ b/test/js/samples/title/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, flush, init, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, init, noop, safe_not_equal } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var title_value;
@@ -37,15 +37,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["custom"]);
 	}
-
-	get custom() {
-		return this.$$.ctx.custom;
-	}
-
-	set custom(custom) {
-		this.$set({ custom });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/transition-local/expected.js b/test/js/samples/transition-local/expected.js
index d997df92ab..c24e680820 100644
--- a/test/js/samples/transition-local/expected.js
+++ b/test/js/samples/transition-local/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, add_render_callback, createComment, createElement, create_in_transition, detachNode, flush, init, insert, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, add_render_callback, createComment, createElement, create_in_transition, detachNode, init, insert, noop, safe_not_equal } from "svelte/internal";
 
 // (8:0) {#if x}
 function create_if_block(ctx) {
@@ -141,24 +141,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["x", "y"]);
 	}
-
-	get x() {
-		return this.$$.ctx.x;
-	}
-
-	set x(x) {
-		this.$set({ x });
-		flush();
-	}
-
-	get y() {
-		return this.$$.ctx.y;
-	}
-
-	set y(y) {
-		this.$set({ y });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/use-elements-as-anchors/expected.js b/test/js/samples/use-elements-as-anchors/expected.js
index 38d51c7cf1..2c46938496 100644
--- a/test/js/samples/use-elements-as-anchors/expected.js
+++ b/test/js/samples/use-elements-as-anchors/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, append, createComment, createElement, createText, detachNode, flush, init, insert, noop, safe_not_equal } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, append, createComment, createElement, createText, detachNode, init, insert, noop, safe_not_equal } from "svelte/internal";
 
 // (10:1) {#if a}
 function create_if_block_4(ctx) {
@@ -265,51 +265,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["a", "b", "c", "d", "e"]);
 	}
-
-	get a() {
-		return this.$$.ctx.a;
-	}
-
-	set a(a) {
-		this.$set({ a });
-		flush();
-	}
-
-	get b() {
-		return this.$$.ctx.b;
-	}
-
-	set b(b) {
-		this.$set({ b });
-		flush();
-	}
-
-	get c() {
-		return this.$$.ctx.c;
-	}
-
-	set c(c) {
-		this.$set({ c });
-		flush();
-	}
-
-	get d() {
-		return this.$$.ctx.d;
-	}
-
-	set d(d) {
-		this.$set({ d });
-		flush();
-	}
-
-	get e() {
-		return this.$$.ctx.e;
-	}
-
-	set e(e) {
-		this.$set({ e });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/window-binding-scroll/expected.js b/test/js/samples/window-binding-scroll/expected.js
index 99ada33208..e1e03bf66d 100644
--- a/test/js/samples/window-binding-scroll/expected.js
+++ b/test/js/samples/window-binding-scroll/expected.js
@@ -1,5 +1,5 @@
 /* generated by Svelte vX.Y.Z */
-import { SvelteComponent as SvelteComponent_1, addListener, add_render_callback, append, createElement, createText, detachNode, flush, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
+import { SvelteComponent as SvelteComponent_1, addListener, add_render_callback, append, createElement, createText, detachNode, init, insert, noop, safe_not_equal, setData } from "svelte/internal";
 
 function create_fragment(ctx) {
 	var scrolling = false, clear_scrolling = () => { scrolling = false }, scrolling_timeout, p, text0, text1, dispose;
@@ -70,15 +70,6 @@ class SvelteComponent extends SvelteComponent_1 {
 		super();
 		init(this, options, instance, create_fragment, safe_not_equal, ["y"]);
 	}
-
-	get y() {
-		return this.$$.ctx.y;
-	}
-
-	set y(y) {
-		this.$set({ y });
-		flush();
-	}
 }
 
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/runtime/index.js b/test/runtime/index.js
index 002ca2605f..5f5d6eb573 100644
--- a/test/runtime/index.js
+++ b/test/runtime/index.js
@@ -72,6 +72,7 @@ describe("runtime", () => {
 			compileOptions.sveltePath = sveltePath;
 			compileOptions.hydratable = hydrate;
 			compileOptions.immutable = config.immutable;
+			compileOptions.accessors = 'accessors' in config ? config.accessors : true;
 
 			Object.keys(require.cache)
 				.filter(x => x.endsWith(".svelte"))