diff --git a/MarketPlace/API/Endpoint/MemberEndPoint.swift b/MarketPlace/API/Endpoint/MemberEndPoint.swift
index c0eb0ea..6215d6f 100644
--- a/MarketPlace/API/Endpoint/MemberEndPoint.swift
+++ b/MarketPlace/API/Endpoint/MemberEndPoint.swift
@@ -12,6 +12,7 @@ enum MemberEndPoint: Endpoint {
     case signIn(studentId: String, password: String)
     case fetchFavoriteMarket(lastModifiedAt: String?, pageSize: Int?)
     case saveAccountNum(account: String, accountNumber: String)
+    case deleteAccountNum
 
     var baseURL: URL { URLManager.shared.baseURL }
 
@@ -21,6 +22,7 @@ enum MemberEndPoint: Endpoint {
         case .signIn: return "api/members"
         case .fetchFavoriteMarket: return "api/markets/my-favorite"
         case .saveAccountNum: return "api/members/account/permit"
+        case .deleteAccountNum: return "api/members/account/deny"
         }
     }
 
@@ -30,7 +32,7 @@ enum MemberEndPoint: Endpoint {
                 .get
         case .signIn:
                 .post
-        case .saveAccountNum:
+        case .saveAccountNum, .deleteAccountNum:
                 .patch
         }
     }
diff --git a/MarketPlace/Service/MemberService.swift b/MarketPlace/Service/MemberService.swift
index 82b63e9..50a2ba8 100644
--- a/MarketPlace/Service/MemberService.swift
+++ b/MarketPlace/Service/MemberService.swift
@@ -19,14 +19,15 @@ protocol MemberServiceProtocol {
     
     // MARK: - 계좌번호 저장 API
     func saveAccountNum(account: String, accountNumber: String) async -> NetworkResult<CommonMsgResDTO>
+    
+    // MARK: - 계좌번호 삭제 API
+    func deleteAccountNum() async -> NetworkResult<CommonMsgResDTO>
 }
 
 final class MemberService: MemberServiceProtocol {
     private let networkService: NetworkServiceProtocol
 
-    init(
-        networkService: NetworkServiceProtocol = NetworkService()
-    ) {
+    init(networkService: NetworkServiceProtocol = NetworkService()) {
         self.networkService = networkService
     }
     
@@ -50,4 +51,9 @@ final class MemberService: MemberServiceProtocol {
     func saveAccountNum(account: String, accountNumber: String) async -> NetworkResult<CommonMsgResDTO> {
         return await networkService.request(MemberEndPoint.saveAccountNum(account: account, accountNumber: accountNumber))
     }
+    
+    // MARK: - 계좌번호 저장 API
+    func deleteAccountNum() async -> NetworkResult<CommonMsgResDTO> {
+        return await networkService.request(MemberEndPoint.deleteAccountNum)
+    }
 }
diff --git a/MarketPlace/View/Login/LoginView.swift b/MarketPlace/View/Login/LoginView.swift
index 995adc6..fc93bff 100644
--- a/MarketPlace/View/Login/LoginView.swift
+++ b/MarketPlace/View/Login/LoginView.swift
@@ -142,7 +142,7 @@ struct LoginView: View {
                 }.disabled(studentID.isEmpty || password.isEmpty)
                 
                 HStack(spacing: 20) {
-                    CheckboxView(title: "계정 정보 저장", isChecked: $saveAccount)
+                    CheckboxView(title: "계정 정보 저장", isChecked: $saveAccount, action: { _ in })
                 }
             }
             .padding(.horizontal, 20)
@@ -171,10 +171,12 @@ struct LoginView: View {
 struct CheckboxView: View {
     let title: String
     @Binding var isChecked: Bool
+    let action: ((Bool) -> Void)?
     
     var body: some View {
         Button(action: {
             isChecked.toggle()
+            action?(isChecked)
         }) {
             HStack {
                 Image(systemName: isChecked ? "checkmark.square.fill" : "square")
diff --git a/MarketPlace/View/Main/View/MainView.swift b/MarketPlace/View/Main/View/MainView.swift
index 8c1c119..762e9c5 100644
--- a/MarketPlace/View/Main/View/MainView.swift
+++ b/MarketPlace/View/Main/View/MainView.swift
@@ -7,8 +7,6 @@ struct MainView: View {
     @StateObject var viewModel = MainViewModel()
     @EnvironmentObject var loginVM: LoginViewModel
     
-    @State private var isFullNoticePopUpVisible: Bool = true
-
     var body: some View {
         NavigationStack {
             ZStack {
@@ -50,11 +48,6 @@ struct MainView: View {
                 }
                 .background(Color.white)
                 .edgesIgnoringSafeArea(.bottom)
-                
-                if isFullNoticePopUpVisible {
-                    FullNoticePopUp(isPopupVisible: $isFullNoticePopUpVisible)
-                        .transition(.scale)
-                }
             }
             .task {
                 await viewModel.fetchCouponTopLatest(pageSize: nil)
diff --git a/MarketPlace/View/MyPage/View/RegisterReceiptView.swift b/MarketPlace/View/MyPage/View/RegisterReceiptView.swift
index 68d3066..0067a86 100644
--- a/MarketPlace/View/MyPage/View/RegisterReceiptView.swift
+++ b/MarketPlace/View/MyPage/View/RegisterReceiptView.swift
@@ -88,7 +88,13 @@ struct RegisterReceiptView: View {
                     )
             }.padding(.bottom, 10)
             
-            CheckboxView(title: "계좌번호 저장", isChecked: $isAccountSaved)
+            CheckboxView(title: "계좌번호 저장", isChecked: $isAccountSaved) { saveAccount in
+                if !saveAccount {
+                    Task {
+                        await viewModel.deleteAccountNum()
+                    }
+                }
+            }
             
             Button(action: {
                 // - 계좌번호 임시저장
diff --git a/MarketPlace/ViewModel/MyPage/SubmitReceiptViewModel.swift b/MarketPlace/ViewModel/MyPage/SubmitReceiptViewModel.swift
index 8d98faa..65403c5 100644
--- a/MarketPlace/ViewModel/MyPage/SubmitReceiptViewModel.swift
+++ b/MarketPlace/ViewModel/MyPage/SubmitReceiptViewModel.swift
@@ -53,4 +53,16 @@ final class SubmitReceiptViewModel: ObservableObject {
             print("[saveAccountNum] - [\(statusCode)]: \(message ?? "알 수 없는 오류")")
         }
     }
+    
+    // MARK: - 계좌번호 삭제 API
+    func deleteAccountNum() async {
+        let result = await memberService.deleteAccountNum()
+        
+        switch result {
+        case .success(let data, let statusCode):
+            print(data.message)
+        case .failure(let statusCode, let message):
+            print("[deleteAccountNum] - [\(statusCode)]: \(message ?? "알 수 없는 오류")")
+        }
+    }
 }