diff --git a/src/compiler/parse/acorn.js b/src/compiler/parse/acorn.js
index 4b5a6e5166..85d219d8c9 100644
--- a/src/compiler/parse/acorn.js
+++ b/src/compiler/parse/acorn.js
@@ -2,7 +2,6 @@ import * as code_red from 'code-red';
 
 /**
  * @param {string} source
- * @returns {any}
  */
 export const parse = (source) =>
 	code_red.parse(source, {
@@ -14,7 +13,6 @@ export const parse = (source) =>
 /**
  * @param {string} source
  * @param {number} index
- * @returns {any}
  */
 export const parse_expression_at = (source, index) =>
 	code_red.parseExpressionAt(source, index, {
diff --git a/src/runtime/internal/Component.js b/src/runtime/internal/Component.js
index ad39801d35..63ed04a715 100644
--- a/src/runtime/internal/Component.js
+++ b/src/runtime/internal/Component.js
@@ -314,7 +314,6 @@ if (typeof HTMLElement === 'function') {
  * @param {any} value
  * @param {Record<string, CustomElementPropDefinition>} props_definition
  * @param {'toAttribute' | 'toProp'} [transform]
- * @returns {any}
  */
 function get_custom_element_value(prop, value, props_definition, transform) {
 	const type = props_definition[prop]?.type;
@@ -431,7 +430,6 @@ export class SvelteComponent {
 		this.$destroy = noop;
 	}
 
-	/** @returns {any} */
 	$on(type, callback) {
 		if (!is_function(callback)) {
 			return noop;
diff --git a/src/runtime/internal/animations.js b/src/runtime/internal/animations.js
index a589413841..d2471f1260 100644
--- a/src/runtime/internal/animations.js
+++ b/src/runtime/internal/animations.js
@@ -7,7 +7,6 @@ import { create_rule, delete_rule } from './style_manager.js';
  * @param {Element & ElementCSSInlineStyle} node
  * @param {import('./private.js').PositionRect} from
  * @param {import('./private.js').AnimationFn} fn
- * @returns {any}
  */
 export function create_animation(node, from, fn, params) {
 	if (!from) return noop;
diff --git a/src/runtime/internal/dev.js b/src/runtime/internal/dev.js
index 135e0988ab..d788cbd62a 100644
--- a/src/runtime/internal/dev.js
+++ b/src/runtime/internal/dev.js
@@ -252,7 +252,6 @@ export function validate_void_dynamic_element(tag) {
 	}
 }
 
-/** @returns {any} */
 export function construct_svelte_component_dev(component, props) {
 	const error_message = 'this={...} of <svelte:component> should specify a Svelte component.';
 	try {
diff --git a/src/runtime/internal/dom.js b/src/runtime/internal/dom.js
index 23c73b26d1..51fb5d6c08 100644
--- a/src/runtime/internal/dom.js
+++ b/src/runtime/internal/dom.js
@@ -552,8 +552,6 @@ export function init_binding_group_dynamic(group, indexes) {
 	 * @type {HTMLInputElement[]} */
 	let _inputs;
 
-	/**
-	 * @returns {any} */
 	function get_binding_group(group) {
 		for (let i = 0; i < indexes.length; i++) {
 			group = group[indexes[i]] = group[indexes[i]] || [];
@@ -779,8 +777,6 @@ export function claim_comment(nodes, data) {
 	);
 }
 
-/**
- * @returns {any} */
 function find_comment(nodes, text, start) {
 	for (let i = start; i < nodes.length; i += 1) {
 		const node = nodes[i];
@@ -900,15 +896,11 @@ export function select_options(select, value) {
 	}
 }
 
-/**
- * @returns {any} */
 export function select_value(select) {
 	const selected_option = select.querySelector(':checked');
 	return selected_option && selected_option.__value;
 }
 
-/**
- * @returns {any} */
 export function select_multiple_value(select) {
 	return [].map.call(select.querySelectorAll(':checked'), (option) => option.__value);
 }
@@ -1203,8 +1195,6 @@ export function get_custom_elements_slots(element) {
 	return result;
 }
 
-/**
- * @returns {any} */
 export function construct_svelte_component(component, props) {
 	return new component(props);
 }
diff --git a/src/runtime/internal/lifecycle.js b/src/runtime/internal/lifecycle.js
index 68c02eced9..2ee476122c 100644
--- a/src/runtime/internal/lifecycle.js
+++ b/src/runtime/internal/lifecycle.js
@@ -7,7 +7,6 @@ export function set_current_component(component) {
 	current_component = component;
 }
 
-/** @returns {any} */
 export function get_current_component() {
 	if (!current_component) throw new Error('Function called outside component initialization');
 	return current_component;
diff --git a/src/runtime/internal/spread.js b/src/runtime/internal/spread.js
index 12ec86626f..6a9c336b90 100644
--- a/src/runtime/internal/spread.js
+++ b/src/runtime/internal/spread.js
@@ -30,7 +30,6 @@ export function get_spread_update(levels, updates) {
 	return update;
 }
 
-/** @returns {any} */
 export function get_spread_object(spread_props) {
 	return typeof spread_props === 'object' && spread_props !== null ? spread_props : {};
 }
diff --git a/src/runtime/internal/ssr.js b/src/runtime/internal/ssr.js
index 48818b392f..0bba8adfee 100644
--- a/src/runtime/internal/ssr.js
+++ b/src/runtime/internal/ssr.js
@@ -90,7 +90,6 @@ export function escape(value, is_attr = false) {
 	return escaped + str.substring(last);
 }
 
-/** @returns {any} */
 export function escape_attribute_value(value) {
 	// keep booleans, null, and undefined for the sake of `spread`
 	const should_escape = typeof value === 'string' || (value && typeof value === 'object');
@@ -119,7 +118,6 @@ export const missing_component = {
 	$$render: () => ''
 };
 
-/** @returns {any} */
 export function validate_component(component, name) {
 	if (!component || !component.$$render) {
 		if (name === 'svelte:component') name += ' this={...}';
@@ -141,7 +139,6 @@ let on_destroy;
 
 /** @returns {{ render: (props?: {}, { $$slots, context }?: { $$slots?: {}; context?: Map<any, any>; }) => { html: any; css: { code: string; map: any; }; head: string; }; $$render: (result: any, props: any, bindings: any, slots: any, context: any) => any; }} */
 export function create_ssr_component(fn) {
-	/** @returns {any} */
 	function $$render(result, props, bindings, slots, context) {
 		const parent_component = current_component;
 		const $$ = {
diff --git a/src/runtime/internal/utils.js b/src/runtime/internal/utils.js
index 524b3218a2..e889b51511 100644
--- a/src/runtime/internal/utils.js
+++ b/src/runtime/internal/utils.js
@@ -1,7 +1,6 @@
 /** @returns {void} */
 export function noop() {}
 
-/** @returns {any} */
 export const identity = (x) => x;
 
 /**
@@ -39,12 +38,10 @@ export function add_location(element, file, line, column, char) {
 	};
 }
 
-/** @returns {any} */
 export function run(fn) {
 	return fn();
 }
 
-/** @returns {any} */
 export function blank_object() {
 	return Object.create(null);
 }
@@ -98,7 +95,6 @@ export function validate_store(store, name) {
 	}
 }
 
-/** @returns {any} */
 export function subscribe(store, ...callbacks) {
 	if (store == null) {
 		for (const callback of callbacks) {
@@ -126,7 +122,6 @@ export function component_subscribe(component, store, callback) {
 	component.$$.on_destroy.push(subscribe(store, callback));
 }
 
-/** @returns {any} */
 export function create_slot(definition, ctx, $$scope, fn) {
 	if (definition) {
 		const slot_ctx = get_slot_context(definition, ctx, $$scope, fn);
@@ -134,12 +129,10 @@ export function create_slot(definition, ctx, $$scope, fn) {
 	}
 }
 
-/** @returns {any} */
 function get_slot_context(definition, ctx, $$scope, fn) {
 	return definition[1] && fn ? assign($$scope.ctx.slice(), definition[1](fn(ctx))) : $$scope.ctx;
 }
 
-/** @returns {any} */
 export function get_slot_changes(definition, $$scope, dirty, fn) {
 	if (definition[2] && fn) {
 		const lets = definition[2](fn(dirty));
@@ -235,21 +228,17 @@ export function once(fn) {
 	};
 }
 
-/** @returns {any} */
 export function null_to_empty(value) {
 	return value == null ? '' : value;
 }
 
-/** @returns {any} */
 export function set_store_value(store, ret, value) {
 	store.set(value);
 	return ret;
 }
 
-/** @returns {any} */
 export const has_prop = (obj, prop) => Object.prototype.hasOwnProperty.call(obj, prop);
 
-/** @returns {any} */
 export function action_destroyer(action_result) {
 	return action_result && is_function(action_result.destroy) ? action_result.destroy : noop;
 }
diff --git a/src/runtime/motion/tweened.js b/src/runtime/motion/tweened.js
index 30ecdddb07..bf031ffa88 100644
--- a/src/runtime/motion/tweened.js
+++ b/src/runtime/motion/tweened.js
@@ -58,7 +58,6 @@ export function tweened(value, defaults = {}) {
 	/**
 	 * @param {T} new_value
 	 * @param {import('./private.js').TweenedOptions<T>} opts
-	 * @returns {any}
 	 */
 	function set(new_value, opts) {
 		if (value == null) {