diff --git a/frontend/src/index.tsx b/frontend/src/index.tsx
index 8c84139ae..8278f0a2b 100644
--- a/frontend/src/index.tsx
+++ b/frontend/src/index.tsx
@@ -12,14 +12,12 @@ import { GlobalStyle } from 'style/GlobalStyle';
 const queryClient = new QueryClient();
 
 const main = async () => {
-  if (process.env.NODE_ENV === 'development') {
-    await worker.start({
-      serviceWorker: {
-        url: '/mockServiceWorker.js',
-      },
-      onUnhandledRequest: 'bypass',
-    });
-  }
+  await worker.start({
+    serviceWorker: {
+      url: '/mockServiceWorker.js',
+    },
+    onUnhandledRequest: 'bypass',
+  });
 
   const domNode = document.getElementById('root');
   const root = createRoot(domNode);
diff --git a/frontend/src/style/GlobalStyle.ts b/frontend/src/style/GlobalStyle.ts
index f15c887bd..da46eaa22 100644
--- a/frontend/src/style/GlobalStyle.ts
+++ b/frontend/src/style/GlobalStyle.ts
@@ -3,13 +3,7 @@ import { createGlobalStyle } from 'styled-components';
 import { reset } from './reset';
 
 export const GlobalStyle = createGlobalStyle`
-  @import url("https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@100;300;400;500;700;900&display=swap");
-
   ${reset}
-
-  * {
-    font-family: "Noto Sans KR", sans-serif !important;
-  }
   
   /********** hidden scroll **********/
   html,