diff --git a/src/logic/getBrowserStoreData.ts b/src/logic/getBrowserStoreData.ts
index 68e4190..cb87b03 100644
--- a/src/logic/getBrowserStoreData.ts
+++ b/src/logic/getBrowserStoreData.ts
@@ -1,6 +1,6 @@
-export default async (storageType: Storage, storeName: string) => {
+export default (storageType: Storage, storeName: string) => {
+  const sessionStorageData = storageType.getItem(storeName);
   try {
-    const sessionStorageData = await storageType.getItem(storeName);
     return sessionStorageData ? JSON.parse(sessionStorageData) : undefined;
   } catch {
     return undefined;
diff --git a/src/logic/getSyncStoreData.ts b/src/logic/getSyncStoreData.ts
index f70651b..c099969 100644
--- a/src/logic/getSyncStoreData.ts
+++ b/src/logic/getSyncStoreData.ts
@@ -34,8 +34,8 @@ export default function getSyncStoreData(
         store,
       });
     } else {
-      Object.entries(syncStoreOption).forEach(async ([key, values]) => {
-        const browserStore = await getBrowserStoreData(storageType, key);
+      Object.entries(syncStoreOption).forEach(([key, values]) => {
+        const browserStore = getBrowserStoreData(storageType, key);
         values.forEach((value: string) => {
           store = {
             ...store,
diff --git a/src/logic/storeFactory.ts b/src/logic/storeFactory.ts
index a5c0097..d182fb3 100644
--- a/src/logic/storeFactory.ts
+++ b/src/logic/storeFactory.ts
@@ -2,16 +2,16 @@ import { STORE_DEFAULT_NAME } from '../constants';
 import { GetStoreName, GetStore, SetStore, Store } from '../types';
 import getStoreData from './getBrowserStoreData';
 
-export default async function storeFactory<T>(
+export default function storeFactory<T>(
   storageType: Storage,
   name: string | undefined,
-): Promise<{
+): {
   set: SetStore;
   get: GetStore;
   getName: GetStoreName;
-}> {
+} {
   const storeName = name || STORE_DEFAULT_NAME;
-  let store: Store = await getStoreData(storageType, storeName);
+  let store: Store = getStoreData(storageType, storeName);
 
   const getName = (): string => storeName;
 
diff --git a/src/stateMachine.tsx b/src/stateMachine.tsx
index 153966b..daeb903 100644
--- a/src/stateMachine.tsx
+++ b/src/stateMachine.tsx
@@ -57,23 +57,23 @@ export function createStore<T extends Store = Store>(
   },
 ) {
   const storeName = options ? options.name : STORE_DEFAULT_NAME;
-  storeFactory<T>(storageType, storeName).then(methods => {
-    if (isDevMode && isClient) {
-      // @ts-ignore
-      window['STATE_MACHINE_NAME'] = storeName;
-    }
+  const methods = storeFactory<T>(storageType, storeName);
 
-    getName = methods.getName;
-    getStore = methods.get;
-    setStore = methods.set;
-    middleWaresArray = options.middleWares;
+  if (isDevMode && isClient) {
+    // @ts-ignore
+    window['STATE_MACHINE_NAME'] = storeName;
+  }
 
-    setUpDevTools(isDevMode, storageType, getName, getStore);
+  getName = methods.getName;
+  getStore = methods.get;
+  setStore = methods.set;
+  middleWaresArray = options.middleWares;
 
-    setStore(
-      getSyncStoreData(getStore() || defaultStoreData, options, storageType),
-    );
-  });
+  setUpDevTools(isDevMode, storageType, getName, getStore);
+
+  setStore(
+    getSyncStoreData(getStore() || defaultStoreData, options, storageType),
+  );
 }
 
 export function StateMachineProvider<T>(props: T) {