diff --git a/site/source/components/App.tsx b/site/source/components/App.tsx
index 2bc8412d4..c023d98f4 100644
--- a/site/source/components/App.tsx
+++ b/site/source/components/App.tsx
@@ -4,17 +4,10 @@ import {
 	useLazyPromise,
 	usePromise,
 	useWorkerEngine,
-	WorkerEngine,
 } from '@publicodes/worker-react'
 import { ErrorBoundary } from '@sentry/react'
 import { FallbackRender } from '@sentry/react/types/errorboundary'
-import React, {
-	ComponentProps,
-	StrictMode,
-	Suspense,
-	useEffect,
-	useState,
-} from 'react'
+import { ComponentProps, StrictMode, useEffect, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import { Route, Routes } from 'react-router-dom'
 import { css, styled } from 'styled-components'
@@ -59,8 +52,6 @@ const TestWorkerEngine = () => {
 		{ defaultValue: 'loading...' }
 	)
 
-	// const date = useAsyncGetRule('date', { defaultValue: 'loading...' })
-	// const SMIC = useAsyncGetRule('SMIC', { defaultValue: 'loading...' })
 	const date = workerEngine.getRule('date')
 	const SMIC = workerEngine.getRule('SMIC')
 
diff --git a/site/source/components/Notifications.tsx b/site/source/components/Notifications.tsx
index ccca2db05..e7af279f0 100644
--- a/site/source/components/Notifications.tsx
+++ b/site/source/components/Notifications.tsx
@@ -1,6 +1,6 @@
 import { useWorkerEngine, WorkerEngine } from '@publicodes/worker-react'
 import { DottedName } from 'modele-social'
-import Engine, { RuleNode } from 'publicodes'
+import { RuleNode } from 'publicodes'
 import { useTranslation } from 'react-i18next'
 import { useDispatch, useSelector } from 'react-redux'
 import { styled } from 'styled-components'
@@ -32,17 +32,16 @@ type Notification = {
 async function getNotifications(workerEngine: WorkerEngine) {
 	return (
 		await Promise.all(
-			Object.values(await workerEngine.asyncGetParsedRules()).map(
-				async (rule) =>
-					rule.rawNode.type === 'notification' &&
-					!!(await workerEngine.asyncEvaluate(rule.dottedName)).nodeValue
-						? {
-								dottedName: rule.dottedName,
-								sévérité: rule.rawNode.sévérité,
-								résumé: rule.rawNode.résumé,
-								description: rule.rawNode.description,
-						  }
-						: null
+			Object.values(workerEngine.getParsedRules()).map(async (rule) =>
+				rule.rawNode.type === 'notification' &&
+				!!(await workerEngine.asyncEvaluate(rule.dottedName)).nodeValue
+					? {
+							dottedName: rule.dottedName,
+							sévérité: rule.rawNode.sévérité,
+							résumé: rule.rawNode.résumé,
+							description: rule.rawNode.description,
+					  }
+					: null
 			)
 		)
 	).filter(isNotNull)
diff --git a/site/source/components/References.tsx b/site/source/components/References.tsx
index ea2597598..8656aed4a 100644
--- a/site/source/components/References.tsx
+++ b/site/source/components/References.tsx
@@ -17,19 +17,7 @@ export function References({
 	references?: Record<string, string>
 	dottedName?: DottedName | undefined
 }): JSX.Element | null {
-	return null
 	const workerEngine = useWorkerEngine()
-	const parentRefences = usePromise(async () => {
-		if (!dottedName && !references) {
-			return null
-		}
-		const parentRule = utils.ruleParent(dottedName as string) as DottedName
-		if (!parentRule) {
-			return null
-		}
-
-		return (await workerEngine.asyncGetRule(parentRule)).rawNode.références
-	}, [dottedName, references, workerEngine])
 
 	if (!dottedName && !references) {
 		return null
@@ -46,11 +34,11 @@ export function References({
 	}
 
 	// If no reference, check if parent has some that we could use
-	// const parentRule = utils.ruleParent(dottedName as string) as DottedName
-	// if (!parentRule) {
-	// 	return null
-	// }
-	// const parentRefences = engine.getRule(parentRule).rawNode.références
+	const parentRule = utils.ruleParent(dottedName as string) as DottedName
+	if (!parentRule) {
+		return null
+	}
+	const parentRefences = workerEngine.getRule(parentRule).rawNode.références
 	if (!parentRefences) {
 		return null
 	}
@@ -144,12 +132,13 @@ const getDomain = (link: string) =>
 	)
 
 export function RuleReferences({ dottedNames }: { dottedNames: DottedName[] }) {
+	const workerEngine = useWorkerEngine()
 	const references = usePromise(
 		async () => {
 			const values = await Promise.all(
 				dottedNames.map(
 					async (dottedName) =>
-						(await asyncEvaluate(`${dottedName} != non`)).nodeValue
+						(await workerEngine.asyncEvaluate(`${dottedName} != non`)).nodeValue
 				)
 			)
 
@@ -158,7 +147,7 @@ export function RuleReferences({ dottedNames }: { dottedNames: DottedName[] }) {
 					.filter(isNotNullOrUndefined)
 					.map(async (dottedName) =>
 						Object.entries(
-							(await asyncGetRule(dottedName as DottedName)).rawNode
+							workerEngine.getRule(dottedName as DottedName).rawNode
 								.références ?? {}
 						)
 					)
diff --git a/site/source/components/Simulation/SimulationGoal.tsx b/site/source/components/Simulation/SimulationGoal.tsx
index 0edc0f6bb..38c61f30a 100644
--- a/site/source/components/Simulation/SimulationGoal.tsx
+++ b/site/source/components/Simulation/SimulationGoal.tsx
@@ -60,7 +60,6 @@ export function SimulationGoal({
 			}),
 		[workerEngine, dottedName, round, isTypeBoolean, currentUnit]
 	)
-	// const rule = useAsyncGetRule(dottedName)
 	const rule = workerEngine.getRule(dottedName)
 	const initialRender = useInitialRender()
 	const [isFocused, setFocused] = useState(false)
diff --git a/site/source/components/conversation/Conversation.tsx b/site/source/components/conversation/Conversation.tsx
index f4942fdc2..a78cb0067 100644
--- a/site/source/components/conversation/Conversation.tsx
+++ b/site/source/components/conversation/Conversation.tsx
@@ -1,6 +1,6 @@
 import { useWorkerEngine, WorkerEngine } from '@publicodes/worker-react'
 import { DottedName } from 'modele-social'
-import Engine, { PublicodesExpression, RuleNode } from 'publicodes'
+import { PublicodesExpression, RuleNode } from 'publicodes'
 import React, { useCallback, useEffect, useState } from 'react'
 import { Trans, useTranslation } from 'react-i18next'
 import { useDispatch, useSelector } from 'react-redux'
@@ -88,7 +88,6 @@ export default function Conversation({
 
 	const formRef = React.useRef<HTMLFormElement>(null)
 	const workerEngine = useWorkerEngine()
-	// const rule = useAsyncGetRule(currentQuestion)
 	const rule = workerEngine.getRule(currentQuestion)
 
 	const question = usePromise(
diff --git a/site/source/components/conversation/RuleInput.tsx b/site/source/components/conversation/RuleInput.tsx
index c39a9e72b..120e336e1 100644
--- a/site/source/components/conversation/RuleInput.tsx
+++ b/site/source/components/conversation/RuleInput.tsx
@@ -12,20 +12,14 @@ import {
 	reduceAST,
 	RuleNode,
 } from 'publicodes'
-import React, { useEffect } from 'react'
+import React from 'react'
 
 import NumberInput from '@/components/conversation/NumberInput'
 import SelectCommune from '@/components/conversation/select/SelectCommune'
-import { DateFieldProps } from '@/design-system/field/DateField'
 import { getMeta, isNotNull } from '@/utils'
 
 import { Choice, MultipleAnswerInput, OuiNonInput } from './ChoicesInput'
-import DateInput from './DateInput'
 import { MultipleChoicesInput } from './MulipleChoicesInput'
-import ParagrapheInput from './ParagrapheInput'
-import SelectPaysDétachement from './select/SelectPaysDétachement'
-import SelectAtmp from './select/SelectTauxRisque'
-import TextInput from './TextInput'
 
 type InputType = 'radio' | 'card' | 'toggle' | 'select'
 
diff --git a/site/source/components/simulationExplanation/InstitutionsPartenaires.tsx b/site/source/components/simulationExplanation/InstitutionsPartenaires.tsx
index 8d580ebcb..4fecf6eed 100644
--- a/site/source/components/simulationExplanation/InstitutionsPartenaires.tsx
+++ b/site/source/components/simulationExplanation/InstitutionsPartenaires.tsx
@@ -183,11 +183,12 @@ const caisses = [
 
 function CaisseRetraite({ role }: { role?: string }) {
 	const unit = useSelector(targetUnitSelector)
+	const workerEngine = useWorkerEngine()
 	const rules = usePromiseOnSituationChange(
 		() =>
 			Promise.all(
 				caisses.map((caisse) =>
-					asyncGetRule(
+					workerEngine.getRule(
 						`dirigeant . indépendant . PL . ${caisse} . cotisations` as DottedName
 					)
 				)
@@ -255,9 +256,6 @@ function CaisseRetraite({ role }: { role?: string }) {
 export function InstitutionsPartenairesArtisteAuteur() {
 	const unit = useSelector(targetUnitSelector)
 	const workerEngine = useWorkerEngine()
-	// const descriptionIRCEC = useAsyncGetRule(
-	// 	'artiste-auteur . cotisations . IRCEC' as DottedName
-	// )?.rawNode.description
 	const descriptionIRCEC = workerEngine.getRule(
 		'artiste-auteur . cotisations . IRCEC' as DottedName
 	)?.rawNode.description