diff --git a/package.json b/package.json
index d7d1ca2..5a237e2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@eppo/js-client-sdk-common",
-  "version": "4.8.0",
+  "version": "4.8.1",
   "description": "Common library for Eppo JavaScript SDKs (web, react native, and node)",
   "main": "dist/index.js",
   "files": [
diff --git a/src/client/eppo-client.spec.ts b/src/client/eppo-client.spec.ts
index f0bd5eb..707d567 100644
--- a/src/client/eppo-client.spec.ts
+++ b/src/client/eppo-client.spec.ts
@@ -766,9 +766,6 @@ describe('EppoClient E2E test', () => {
       it('Continues to poll when cache has not expired', async () => {
         class MockStore<T> extends MemoryOnlyConfigurationStore<T> {
           public static expired = false;
-          public isInitialized(): boolean {
-            return true;
-          }
 
           async isExpired(): Promise<boolean> {
             return MockStore.expired;
@@ -802,10 +799,6 @@ describe('EppoClient E2E test', () => {
     });
     it('Does not fetch configurations if the configuration store is unexpired', async () => {
       class MockStore<T> extends MemoryOnlyConfigurationStore<T> {
-        public isInitialized(): boolean {
-          return true;
-        }
-
         async isExpired(): Promise<boolean> {
           return false;
         }
diff --git a/src/client/eppo-client.ts b/src/client/eppo-client.ts
index 29a2721..f59a749 100644
--- a/src/client/eppo-client.ts
+++ b/src/client/eppo-client.ts
@@ -218,10 +218,7 @@ export default class EppoClient {
     );
 
     const pollingCallback = async () => {
-      if (
-        !this.flagConfigurationStore.isInitialized() ||
-        (await this.flagConfigurationStore.isExpired())
-      ) {
+      if (await this.flagConfigurationStore.isExpired()) {
         return configurationRequestor.fetchAndStoreConfigurations();
       }
     };