diff --git a/packages/common/components/src/api/popup.ts b/packages/common/components/src/api/popup.ts
index 0fee0f5b7..23f2eb808 100644
--- a/packages/common/components/src/api/popup.ts
+++ b/packages/common/components/src/api/popup.ts
@@ -1,6 +1,22 @@
 import { getApiClient } from "./client";
 import { ENDPOINT } from "../config";
 
+export interface Popup {
+  popupSn: number;
+  popupTypeCd: string;
+  popupTypeNm: string;
+  contsTypeCd: string;
+  contsTypeNm: string;
+  popupTtl: string;
+  popupWdth: number;
+  popupHgt: number;
+  popupEndUseYn: string;
+  useYn: string;
+  mdfcnDt: string;
+  mdfr: string;
+  mdfrNm: string;
+}
+
 export interface PopupInfo {
   popupSn: number;
   popupTypeCd: string;
@@ -23,39 +39,10 @@ export interface PopupInfo {
   mdfrNm: string;
 }
 
-interface SortConfig {
-  empty: boolean;
-  sorted: boolean;
-  unsorted: boolean;
-}
-
-interface PageableConfig {
-  sort: SortConfig;
-  offset: number;
-  pageNumber: number;
-  pageSize: number;
-  paged: boolean;
-  unpaged: boolean;
-}
-
-interface PageableList<T> {
-  content: T[];
-  pageable: PageableConfig;
-  sort: SortConfig;
-  totalPages: number;
-  totalElements: number;
-  number: number;
-  numberOfElements: number;
-  size: number;
-  first: boolean;
-  last: boolean;
-  empty: boolean;
-}
-
 const client = getApiClient();
 
 export const getUserPopupList = async () => {
-  const response = await client.get<PageableList<PopupInfo>>(
+  const response = await client.get<Popup[]>(
     `${ENDPOINT.CMS_SERVICE.POPUPS}/user/list`,
   );
   return response.data;
diff --git a/packages/common/components/src/ui/header/index.tsx b/packages/common/components/src/ui/header/index.tsx
index 8457b28dd..5733c4168 100644
--- a/packages/common/components/src/ui/header/index.tsx
+++ b/packages/common/components/src/ui/header/index.tsx
@@ -11,7 +11,7 @@ import {
   getUserPopupList,
   getSiteInfo,
   getUserInfo,
-  type PopupInfo,
+  type Popup,
 } from "../../api";
 import {
   DropdownMenu,
@@ -50,7 +50,7 @@ export function Header({ viewOnly }: { viewOnly?: boolean }) {
     queryFn: () => getUserPopupList(),
   });
 
-  const openPopup = useCallback(async (popup: PopupInfo) => {
+  const openPopup = useCallback(async (popup: Popup) => {
     try {
       const cookieName = `cs-popup-hide-for-day-${popup.popupSn}`;
       const hasCookie = getCookie(cookieName);
@@ -79,10 +79,10 @@ export function Header({ viewOnly }: { viewOnly?: boolean }) {
   }, []);
 
   useEffect(() => {
-    if (!userPopupList?.content?.length) return;
+    if (!userPopupList?.length) return;
 
     const timer = setTimeout(() => {
-      userPopupList.content.forEach((popup) => {
+      userPopupList.forEach((popup) => {
         openPopup(popup);
       });
     }, 500);