tidy up

packages/svelte/src/internal/client/constants.js

@@ -23,9 +23,8 @@ export const HEAD_EFFECT = 1 << 20;
 export const EFFECT_HAS_DERIVED = 1 << 21;
 
 // Flags used for async
-export const IS_ASYNC = 1 << 22;
-export const REACTION_IS_UPDATING = 1 << 23;
-export const BOUNDARY_SUSPENDED = 1 << 24;
+export const REACTION_IS_UPDATING = 1 << 22;
+export const BOUNDARY_SUSPENDED = 1 << 23;
 
 export const STATE_SYMBOL = Symbol('$state');
 export const STATE_SYMBOL_METADATA = Symbol('$state metadata');

packages/svelte/src/internal/client/reactivity/deriveds.js

@@ -6,7 +6,6 @@ import {
 	DESTROYED,
 	DIRTY,
 	EFFECT_HAS_DERIVED,
-	IS_ASYNC,
 	MAYBE_DIRTY,
 	UNOWNED
 } from '../constants.js';
@@ -114,7 +113,7 @@ export function async_derived(fn) {
 			// TODO we should probably null out active effect here,
 			// rather than inside `restore()`
 		}
-	}, IS_ASYNC);
+	});
 
 	return Promise.resolve(promise).then(() => value);
 }

packages/svelte/src/internal/client/reactivity/effects.js

@@ -36,7 +36,6 @@ import {
 	MAYBE_DIRTY,
 	EFFECT_HAS_DERIVED,
 	BOUNDARY_EFFECT,
-	IS_ASYNC,
 	TEMPLATE_EFFECT
 } from '../constants.js';
 import { set } from './sources.js';
@@ -149,7 +148,7 @@ function create_effect(type, fn, sync, push = true) {
 		effect.first === null &&
 		effect.nodes_start === null &&
 		effect.teardown === null &&
-		(effect.f & (EFFECT_HAS_DERIVED | BOUNDARY_EFFECT | IS_ASYNC)) === 0;
+		(effect.f & (EFFECT_HAS_DERIVED | BOUNDARY_EFFECT)) === 0;
 
 	if (!inert && !is_root && push) {
 		if (parent_effect !== null) {