diff --git a/src/generators/dom/index.ts b/src/generators/dom/index.ts
index 825b5e2a2e..ff8bcf8949 100644
--- a/src/generators/dom/index.ts
+++ b/src/generators/dom/index.ts
@@ -174,8 +174,8 @@ export default function dom(
 		? `@proto `
 		: deindent`
 		{
-			${['get', 'fire', 'observe', 'on', 'set']
-				.map(n => `${n}: @${n}`)
+			${['destroy', 'get', 'fire', 'observe', 'on', 'set', 'teardown']
+				.map(n => `${n}: @${n === 'teardown' ? 'destroy' : n}`)
 				.join(',\n')}
 		}`;
 
@@ -207,6 +207,7 @@ export default function dom(
 			};
 
 			this._handlers = Object.create( null );
+			${templateProperties.ondestroy && `this._handlers.destroy = [@template.ondestroy.bind(this)]`}
 
 			this._root = options._root || this;
 			this._yield = options._yield;
@@ -263,19 +264,6 @@ export default function dom(
 			${_set}
 		};
 
-		${name}.prototype.teardown = ${name}.prototype.destroy = function destroy ( detach ) {
-			if ( this._destroyed ) return${options.dev && ` console.warn( 'Component was already destroyed' )`};
-			this.fire( 'destroy' );
-			${templateProperties.ondestroy && `@template.ondestroy.call( this );`}
-
-			if ( detach !== false ) this._fragment.unmount();
-			this._fragment.destroy();
-			this._fragment = null;
-
-			this._state = {};
-			this._destroyed = true;
-		};
-
 		${templateProperties.setup && `@template.setup( ${name} );`}
 	`);
 
diff --git a/src/shared/index.js b/src/shared/index.js
index 119f50452b..87f4728f8f 100644
--- a/src/shared/index.js
+++ b/src/shared/index.js
@@ -3,6 +3,24 @@ export * from './dom.js';
 export * from './transitions.js';
 export * from './utils.js';
 
+export function destroy(detach) {
+	if (!this._destroyed) {
+		this.fire('destroy');
+
+		if (detach !== false) this._fragment.unmount();
+		this._fragment.destroy();
+		this._fragment = null;
+
+		this._state = {};
+		this._destroyed = true;
+	}
+}
+
+export function destroyDev(detach) {
+	if (this._destroyed) console.warn('Component was already destroyed');
+	destroy.call(this, detach);
+}
+
 export function differs(a, b) {
 	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
 }
@@ -105,6 +123,7 @@ export function onDev(eventName, handler) {
 }
 
 export function set(newState) {
+	if (this._destroyed) return;
 	this._set(assign({}, newState));
 	if (this._root._lock) return;
 	this._root._lock = true;
@@ -119,17 +138,21 @@ export function callAll(fns) {
 }
 
 export var proto = {
+	destroy: destroy,
 	get: get,
 	fire: fire,
 	observe: observe,
 	on: on,
-	set: set
+	set: set,
+	teardown: destroy
 };
 
 export var protoDev = {
+	destroy: destroyDev,
 	get: get,
 	fire: fire,
 	observe: observeDev,
 	on: onDev,
-	set: set
+	set: set,
+	teardown: destroyDev
 };
diff --git a/test/js/samples/collapses-text-around-comments/expected-bundle.js b/test/js/samples/collapses-text-around-comments/expected-bundle.js
index c9fa1ef590..053e4c2c12 100644
--- a/test/js/samples/collapses-text-around-comments/expected-bundle.js
+++ b/test/js/samples/collapses-text-around-comments/expected-bundle.js
@@ -37,6 +37,19 @@ function setAttribute(node, attribute, value) {
 	node.setAttribute(attribute, value);
 }
 
+function destroy(detach) {
+	if (!this._destroyed) {
+		this.fire('destroy');
+
+		if (detach !== false) this._fragment.unmount();
+		this._fragment.destroy();
+		this._fragment = null;
+
+		this._state = {};
+		this._destroyed = true;
+	}
+}
+
 function differs(a, b) {
 	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
 }
@@ -114,6 +127,7 @@ function on(eventName, handler) {
 }
 
 function set(newState) {
+	if (this._destroyed) return;
 	this._set(assign({}, newState));
 	if (this._root._lock) return;
 	this._root._lock = true;
@@ -128,11 +142,13 @@ function callAll(fns) {
 }
 
 var proto = {
+	destroy: destroy,
 	get: get,
 	fire: fire,
 	observe: observe,
 	on: on,
-	set: set
+	set: set,
+	teardown: destroy
 };
 
 var template = (function () {
@@ -222,16 +238,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
diff --git a/test/js/samples/collapses-text-around-comments/expected.js b/test/js/samples/collapses-text-around-comments/expected.js
index a5dc4d5d58..697716bdfe 100644
--- a/test/js/samples/collapses-text-around-comments/expected.js
+++ b/test/js/samples/collapses-text-around-comments/expected.js
@@ -87,16 +87,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/computed-collapsed-if/expected-bundle.js b/test/js/samples/computed-collapsed-if/expected-bundle.js
index 35825f465d..a52a992476 100644
--- a/test/js/samples/computed-collapsed-if/expected-bundle.js
+++ b/test/js/samples/computed-collapsed-if/expected-bundle.js
@@ -13,6 +13,19 @@ function assign(target) {
 	return target;
 }
 
+function destroy(detach) {
+	if (!this._destroyed) {
+		this.fire('destroy');
+
+		if (detach !== false) this._fragment.unmount();
+		this._fragment.destroy();
+		this._fragment = null;
+
+		this._state = {};
+		this._destroyed = true;
+	}
+}
+
 function differs(a, b) {
 	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
 }
@@ -90,6 +103,7 @@ function on(eventName, handler) {
 }
 
 function set(newState) {
+	if (this._destroyed) return;
 	this._set(assign({}, newState));
 	if (this._root._lock) return;
 	this._root._lock = true;
@@ -104,11 +118,13 @@ function callAll(fns) {
 }
 
 var proto = {
+	destroy: destroy,
 	get: get,
 	fire: fire,
 	observe: observe,
 	on: on,
-	set: set
+	set: set,
+	teardown: destroy
 };
 
 function recompute ( state, newState, oldState, isInitial ) {
@@ -175,16 +191,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
diff --git a/test/js/samples/computed-collapsed-if/expected.js b/test/js/samples/computed-collapsed-if/expected.js
index bb2b420c84..25058a55f6 100644
--- a/test/js/samples/computed-collapsed-if/expected.js
+++ b/test/js/samples/computed-collapsed-if/expected.js
@@ -64,16 +64,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/css-media-query/expected-bundle.js b/test/js/samples/css-media-query/expected-bundle.js
index ebbfffd1ec..8ecdac50c1 100644
--- a/test/js/samples/css-media-query/expected-bundle.js
+++ b/test/js/samples/css-media-query/expected-bundle.js
@@ -33,6 +33,19 @@ function setAttribute(node, attribute, value) {
 	node.setAttribute(attribute, value);
 }
 
+function destroy(detach) {
+	if (!this._destroyed) {
+		this.fire('destroy');
+
+		if (detach !== false) this._fragment.unmount();
+		this._fragment.destroy();
+		this._fragment = null;
+
+		this._state = {};
+		this._destroyed = true;
+	}
+}
+
 function differs(a, b) {
 	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
 }
@@ -110,6 +123,7 @@ function on(eventName, handler) {
 }
 
 function set(newState) {
+	if (this._destroyed) return;
 	this._set(assign({}, newState));
 	if (this._root._lock) return;
 	this._root._lock = true;
@@ -124,11 +138,13 @@ function callAll(fns) {
 }
 
 var proto = {
+	destroy: destroy,
 	get: get,
 	fire: fire,
 	observe: observe,
 	on: on,
-	set: set
+	set: set,
+	teardown: destroy
 };
 
 function encapsulateStyles ( node ) {
@@ -201,16 +217,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
diff --git a/test/js/samples/css-media-query/expected.js b/test/js/samples/css-media-query/expected.js
index d9af1bfe54..15a7e61159 100644
--- a/test/js/samples/css-media-query/expected.js
+++ b/test/js/samples/css-media-query/expected.js
@@ -70,16 +70,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/each-block-changed-check/expected-bundle.js b/test/js/samples/each-block-changed-check/expected-bundle.js
index 9afe02d871..f77ab22f89 100644
--- a/test/js/samples/each-block-changed-check/expected-bundle.js
+++ b/test/js/samples/each-block-changed-check/expected-bundle.js
@@ -46,6 +46,19 @@ function createText(data) {
 	return document.createTextNode(data);
 }
 
+function destroy(detach) {
+	if (!this._destroyed) {
+		this.fire('destroy');
+
+		if (detach !== false) this._fragment.unmount();
+		this._fragment.destroy();
+		this._fragment = null;
+
+		this._state = {};
+		this._destroyed = true;
+	}
+}
+
 function differs(a, b) {
 	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
 }
@@ -123,6 +136,7 @@ function on(eventName, handler) {
 }
 
 function set(newState) {
+	if (this._destroyed) return;
 	this._set(assign({}, newState));
 	if (this._root._lock) return;
 	this._root._lock = true;
@@ -137,11 +151,13 @@ function callAll(fns) {
 }
 
 var proto = {
+	destroy: destroy,
 	get: get,
 	fire: fire,
 	observe: observe,
 	on: on,
-	set: set
+	set: set,
+	teardown: destroy
 };
 
 function create_main_fragment ( state, component ) {
@@ -321,16 +337,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
diff --git a/test/js/samples/each-block-changed-check/expected.js b/test/js/samples/each-block-changed-check/expected.js
index 6072df4896..c849754884 100644
--- a/test/js/samples/each-block-changed-check/expected.js
+++ b/test/js/samples/each-block-changed-check/expected.js
@@ -177,16 +177,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/event-handlers-custom/expected-bundle.js b/test/js/samples/event-handlers-custom/expected-bundle.js
index fa20cbc9ef..12857effdd 100644
--- a/test/js/samples/event-handlers-custom/expected-bundle.js
+++ b/test/js/samples/event-handlers-custom/expected-bundle.js
@@ -31,6 +31,19 @@ function createText(data) {
 	return document.createTextNode(data);
 }
 
+function destroy(detach) {
+	if (!this._destroyed) {
+		this.fire('destroy');
+
+		if (detach !== false) this._fragment.unmount();
+		this._fragment.destroy();
+		this._fragment = null;
+
+		this._state = {};
+		this._destroyed = true;
+	}
+}
+
 function differs(a, b) {
 	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
 }
@@ -108,6 +121,7 @@ function on(eventName, handler) {
 }
 
 function set(newState) {
+	if (this._destroyed) return;
 	this._set(assign({}, newState));
 	if (this._root._lock) return;
 	this._root._lock = true;
@@ -122,11 +136,13 @@ function callAll(fns) {
 }
 
 var proto = {
+	destroy: destroy,
 	get: get,
 	fire: fire,
 	observe: observe,
 	on: on,
-	set: set
+	set: set,
+	teardown: destroy
 };
 
 var template = (function () {
@@ -209,16 +225,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
diff --git a/test/js/samples/event-handlers-custom/expected.js b/test/js/samples/event-handlers-custom/expected.js
index abbfef0f91..b4bf41c8a5 100644
--- a/test/js/samples/event-handlers-custom/expected.js
+++ b/test/js/samples/event-handlers-custom/expected.js
@@ -80,16 +80,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/if-block-no-update/expected-bundle.js b/test/js/samples/if-block-no-update/expected-bundle.js
index 73ac6bcf63..56ab031da3 100644
--- a/test/js/samples/if-block-no-update/expected-bundle.js
+++ b/test/js/samples/if-block-no-update/expected-bundle.js
@@ -37,6 +37,19 @@ function createComment() {
 	return document.createComment('');
 }
 
+function destroy(detach) {
+	if (!this._destroyed) {
+		this.fire('destroy');
+
+		if (detach !== false) this._fragment.unmount();
+		this._fragment.destroy();
+		this._fragment = null;
+
+		this._state = {};
+		this._destroyed = true;
+	}
+}
+
 function differs(a, b) {
 	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
 }
@@ -114,6 +127,7 @@ function on(eventName, handler) {
 }
 
 function set(newState) {
+	if (this._destroyed) return;
 	this._set(assign({}, newState));
 	if (this._root._lock) return;
 	this._root._lock = true;
@@ -128,11 +142,13 @@ function callAll(fns) {
 }
 
 var proto = {
+	destroy: destroy,
 	get: get,
 	fire: fire,
 	observe: observe,
 	on: on,
-	set: set
+	set: set,
+	teardown: destroy
 };
 
 function create_main_fragment ( state, component ) {
@@ -256,16 +272,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
diff --git a/test/js/samples/if-block-no-update/expected.js b/test/js/samples/if-block-no-update/expected.js
index e346847b37..4fdddb4f0c 100644
--- a/test/js/samples/if-block-no-update/expected.js
+++ b/test/js/samples/if-block-no-update/expected.js
@@ -121,16 +121,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/if-block-simple/expected-bundle.js b/test/js/samples/if-block-simple/expected-bundle.js
index 2ce85c33e6..aca06df4f4 100644
--- a/test/js/samples/if-block-simple/expected-bundle.js
+++ b/test/js/samples/if-block-simple/expected-bundle.js
@@ -37,6 +37,19 @@ function createComment() {
 	return document.createComment('');
 }
 
+function destroy(detach) {
+	if (!this._destroyed) {
+		this.fire('destroy');
+
+		if (detach !== false) this._fragment.unmount();
+		this._fragment.destroy();
+		this._fragment = null;
+
+		this._state = {};
+		this._destroyed = true;
+	}
+}
+
 function differs(a, b) {
 	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
 }
@@ -114,6 +127,7 @@ function on(eventName, handler) {
 }
 
 function set(newState) {
+	if (this._destroyed) return;
 	this._set(assign({}, newState));
 	if (this._root._lock) return;
 	this._root._lock = true;
@@ -128,11 +142,13 @@ function callAll(fns) {
 }
 
 var proto = {
+	destroy: destroy,
 	get: get,
 	fire: fire,
 	observe: observe,
 	on: on,
-	set: set
+	set: set,
+	teardown: destroy
 };
 
 function create_main_fragment ( state, component ) {
@@ -232,16 +248,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
diff --git a/test/js/samples/if-block-simple/expected.js b/test/js/samples/if-block-simple/expected.js
index efd23dc55d..03ab6d1598 100644
--- a/test/js/samples/if-block-simple/expected.js
+++ b/test/js/samples/if-block-simple/expected.js
@@ -97,16 +97,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/non-imported-component/expected-bundle.js b/test/js/samples/non-imported-component/expected-bundle.js
index c37d2f042a..e9a1ef969d 100644
--- a/test/js/samples/non-imported-component/expected-bundle.js
+++ b/test/js/samples/non-imported-component/expected-bundle.js
@@ -25,6 +25,19 @@ function createText(data) {
 	return document.createTextNode(data);
 }
 
+function destroy(detach) {
+	if (!this._destroyed) {
+		this.fire('destroy');
+
+		if (detach !== false) this._fragment.unmount();
+		this._fragment.destroy();
+		this._fragment = null;
+
+		this._state = {};
+		this._destroyed = true;
+	}
+}
+
 function differs(a, b) {
 	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
 }
@@ -102,6 +115,7 @@ function on(eventName, handler) {
 }
 
 function set(newState) {
+	if (this._destroyed) return;
 	this._set(assign({}, newState));
 	if (this._root._lock) return;
 	this._root._lock = true;
@@ -116,11 +130,13 @@ function callAll(fns) {
 }
 
 var proto = {
+	destroy: destroy,
 	get: get,
 	fire: fire,
 	observe: observe,
 	on: on,
-	set: set
+	set: set,
+	teardown: destroy
 };
 
 var template = (function () {
@@ -215,16 +231,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
diff --git a/test/js/samples/non-imported-component/expected.js b/test/js/samples/non-imported-component/expected.js
index 195fb2b7b1..629390ca63 100644
--- a/test/js/samples/non-imported-component/expected.js
+++ b/test/js/samples/non-imported-component/expected.js
@@ -94,16 +94,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/onrender-onteardown-rewritten/expected-bundle.js b/test/js/samples/onrender-onteardown-rewritten/expected-bundle.js
index eb9a6cdd4f..041326fdf3 100644
--- a/test/js/samples/onrender-onteardown-rewritten/expected-bundle.js
+++ b/test/js/samples/onrender-onteardown-rewritten/expected-bundle.js
@@ -13,6 +13,19 @@ function assign(target) {
 	return target;
 }
 
+function destroy(detach) {
+	if (!this._destroyed) {
+		this.fire('destroy');
+
+		if (detach !== false) this._fragment.unmount();
+		this._fragment.destroy();
+		this._fragment = null;
+
+		this._state = {};
+		this._destroyed = true;
+	}
+}
+
 function differs(a, b) {
 	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
 }
@@ -90,6 +103,7 @@ function on(eventName, handler) {
 }
 
 function set(newState) {
+	if (this._destroyed) return;
 	this._set(assign({}, newState));
 	if (this._root._lock) return;
 	this._root._lock = true;
@@ -104,11 +118,13 @@ function callAll(fns) {
 }
 
 var proto = {
+	destroy: destroy,
 	get: get,
 	fire: fire,
 	observe: observe,
 	on: on,
-	set: set
+	set: set,
+	teardown: destroy
 };
 
 var template = (function () {
@@ -142,6 +158,7 @@ function SvelteComponent ( options ) {
 	};
 
 	this._handlers = Object.create( null );
+	this._handlers.destroy = [template.ondestroy.bind(this)];
 
 	this._root = options._root || this;
 	this._yield = options._yield;
@@ -177,17 +194,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-	template.ondestroy.call( this );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
diff --git a/test/js/samples/onrender-onteardown-rewritten/expected.js b/test/js/samples/onrender-onteardown-rewritten/expected.js
index e35b716595..f40d3e0a5c 100644
--- a/test/js/samples/onrender-onteardown-rewritten/expected.js
+++ b/test/js/samples/onrender-onteardown-rewritten/expected.js
@@ -31,6 +31,7 @@ function SvelteComponent ( options ) {
 	};
 
 	this._handlers = Object.create( null );
+	this._handlers.destroy = [template.ondestroy.bind(this)]
 
 	this._root = options._root || this;
 	this._yield = options._yield;
@@ -66,17 +67,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-	template.ondestroy.call( this );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/setup-method/expected-bundle.js b/test/js/samples/setup-method/expected-bundle.js
index 6c4e62fa04..d27a1ef958 100644
--- a/test/js/samples/setup-method/expected-bundle.js
+++ b/test/js/samples/setup-method/expected-bundle.js
@@ -13,6 +13,19 @@ function assign(target) {
 	return target;
 }
 
+function destroy(detach) {
+	if (!this._destroyed) {
+		this.fire('destroy');
+
+		if (detach !== false) this._fragment.unmount();
+		this._fragment.destroy();
+		this._fragment = null;
+
+		this._state = {};
+		this._destroyed = true;
+	}
+}
+
 function differs(a, b) {
 	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
 }
@@ -90,6 +103,7 @@ function on(eventName, handler) {
 }
 
 function set(newState) {
+	if (this._destroyed) return;
 	this._set(assign({}, newState));
 	if (this._root._lock) return;
 	this._root._lock = true;
@@ -104,11 +118,13 @@ function callAll(fns) {
 }
 
 var proto = {
+	destroy: destroy,
 	get: get,
 	fire: fire,
 	observe: observe,
 	on: on,
-	set: set
+	set: set,
+	teardown: destroy
 };
 
 var template = (function () {
@@ -176,18 +192,6 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 template.setup( SvelteComponent );
 
 export default SvelteComponent;
diff --git a/test/js/samples/setup-method/expected.js b/test/js/samples/setup-method/expected.js
index 3e72768ac8..d82ab92039 100644
--- a/test/js/samples/setup-method/expected.js
+++ b/test/js/samples/setup-method/expected.js
@@ -65,18 +65,6 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 template.setup( SvelteComponent );
 
-export default SvelteComponent;
+export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/use-elements-as-anchors/expected-bundle.js b/test/js/samples/use-elements-as-anchors/expected-bundle.js
index b969e80971..dd1ed072bb 100644
--- a/test/js/samples/use-elements-as-anchors/expected-bundle.js
+++ b/test/js/samples/use-elements-as-anchors/expected-bundle.js
@@ -37,6 +37,19 @@ function createComment() {
 	return document.createComment('');
 }
 
+function destroy(detach) {
+	if (!this._destroyed) {
+		this.fire('destroy');
+
+		if (detach !== false) this._fragment.unmount();
+		this._fragment.destroy();
+		this._fragment = null;
+
+		this._state = {};
+		this._destroyed = true;
+	}
+}
+
 function differs(a, b) {
 	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
 }
@@ -114,6 +127,7 @@ function on(eventName, handler) {
 }
 
 function set(newState) {
+	if (this._destroyed) return;
 	this._set(assign({}, newState));
 	if (this._root._lock) return;
 	this._root._lock = true;
@@ -128,11 +142,13 @@ function callAll(fns) {
 }
 
 var proto = {
+	destroy: destroy,
 	get: get,
 	fire: fire,
 	observe: observe,
 	on: on,
-	set: set
+	set: set,
+	teardown: destroy
 };
 
 function create_main_fragment ( state, component ) {
@@ -416,16 +432,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
diff --git a/test/js/samples/use-elements-as-anchors/expected.js b/test/js/samples/use-elements-as-anchors/expected.js
index 046bf7fcbc..2a214d1ca0 100644
--- a/test/js/samples/use-elements-as-anchors/expected.js
+++ b/test/js/samples/use-elements-as-anchors/expected.js
@@ -281,16 +281,4 @@ SvelteComponent.prototype._set = function _set ( newState ) {
 	dispatchObservers( this, this._observers.post, newState, oldState );
 };
 
-SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
-	if ( this._destroyed ) return;
-	this.fire( 'destroy' );
-
-	if ( detach !== false ) this._fragment.unmount();
-	this._fragment.destroy();
-	this._fragment = null;
-
-	this._state = {};
-	this._destroyed = true;
-};
-
 export default SvelteComponent;
\ No newline at end of file
diff --git a/test/runtime/samples/lifecycle-events/_config.js b/test/runtime/samples/lifecycle-events/_config.js
index 3dcb0d5192..2a9d25564a 100644
--- a/test/runtime/samples/lifecycle-events/_config.js
+++ b/test/runtime/samples/lifecycle-events/_config.js
@@ -1,7 +1,7 @@
 export default {
-	test ( assert, component ) {
-		assert.deepEqual( component.events, [ 'render' ]);
+	test(assert, component) {
+		assert.deepEqual(component.events, ['create']);
 		component.destroy();
-		assert.deepEqual( component.events, [ 'render', 'teardown' ]);
+		assert.deepEqual(component.events, ['create', 'destroy']);
 	}
 };
diff --git a/test/runtime/samples/lifecycle-events/main.html b/test/runtime/samples/lifecycle-events/main.html
index 1989d158c0..b39ce292d6 100644
--- a/test/runtime/samples/lifecycle-events/main.html
+++ b/test/runtime/samples/lifecycle-events/main.html
@@ -2,12 +2,12 @@
 
 <script>
 	export default {
-		oncreate () {
-			this.events = [ 'render' ];
+		oncreate() {
+			this.events = ['create'];
 		},
 
-		ondestroy () {
-			this.events.push( 'teardown' );
+		ondestroy() {
+			this.events.push('destroy');
 		}
 	};
-</script>
+</script>
\ No newline at end of file
diff --git a/test/runtime/samples/set-after-destroy/_config.js b/test/runtime/samples/set-after-destroy/_config.js
new file mode 100644
index 0000000000..1f8fb08f73
--- /dev/null
+++ b/test/runtime/samples/set-after-destroy/_config.js
@@ -0,0 +1,10 @@
+export default {
+	data: {
+		x: 1
+	},
+
+	test(assert, component) {
+		component.destroy();
+		component.set({ x: 2 });
+	}
+};
\ No newline at end of file
diff --git a/test/runtime/samples/set-after-destroy/main.html b/test/runtime/samples/set-after-destroy/main.html
new file mode 100644
index 0000000000..e60a1a28e2
--- /dev/null
+++ b/test/runtime/samples/set-after-destroy/main.html
@@ -0,0 +1 @@
+<div>{{x}}</div>
\ No newline at end of file