diff --git a/frameworks/ans/IAnsManager.idl b/frameworks/ans/IAnsManager.idl
index d7ec4e81fee23918075aa3e5ceb071a460e363f7..87d8151ce43734be8cc27ab2755fa6e2ed27baf3 100644
--- a/frameworks/ans/IAnsManager.idl
+++ b/frameworks/ans/IAnsManager.idl
@@ -309,6 +309,4 @@ interface OHOS.Notification.IAnsManager {
     void SetHashCodeRule([in] unsigned int type);
 
     [macrodef NOTIFICATION_SMART_REMINDER_SUPPORTED] void RegisterSwingCallback([in] IRemoteObject swingCallback);
-
-    void GetOverlayIconScaleSize([out] unsigned int scaleSize);
 }
diff --git a/frameworks/ans/src/notification_request.cpp b/frameworks/ans/src/notification_request.cpp
index a4de9d3c9c898633273f76a88c0a89d4177d9c22..d98cbcf318ed069a981c43cde8d47a55b4273872 100644
--- a/frameworks/ans/src/notification_request.cpp
+++ b/frameworks/ans/src/notification_request.cpp
@@ -343,11 +343,6 @@ const std::shared_ptr<Media::PixelMap> NotificationRequest::GetOverlayIcon() con
     return overlayIcon_;
 }
 
-void NotificationRequest::ResetOverlayIcon() const
-{
-    overlayIcon_ = nullptr;
-}
-
 void NotificationRequest::SetClassification(const std::string &classification)
 {
     classification_ = classification;
diff --git a/frameworks/core/include/ans_image_util.h b/frameworks/core/include/ans_image_util.h
index e87db21651a8de0643a579f91ea6be2824bd24cb..350bdd187f059e2c6d8dca7ac7300c4d1e74f3aa 100644
--- a/frameworks/core/include/ans_image_util.h
+++ b/frameworks/core/include/ans_image_util.h
@@ -76,8 +76,6 @@ public:
 
     static bool ImageScale(const std::shared_ptr<Media::PixelMap> &pixelMap, int32_t width, int32_t height);
 
-    static bool HandleOverSizeOverlayIcon(const std::shared_ptr<Media::PixelMap> &pixelMap);
-
     /**
      * @brief Converts a binary string to a hexadecimal string.
      *
diff --git a/frameworks/core/include/ans_notification.h b/frameworks/core/include/ans_notification.h
index 18e13d5fedf34506a5a95eba6ed8a82969c29a0a..e3caa8cab96d2a46bd369180110ba44dc1af9582 100644
--- a/frameworks/core/include/ans_notification.h
+++ b/frameworks/core/include/ans_notification.h
@@ -1343,14 +1343,6 @@ public:
      */
     ErrCode SetHashCodeRule(const uint32_t type);
 
-    /**
-     * @brief get the scale size of overlay icon.
-     *
-     * @param scaleSize the scale size of overlay icon.
-     * @return Returns ERR_OK on success, others on failure.
-     */
-    ErrCode GetOverlayIconScaleSize(uint32_t &scaleSize);
-
 private:
     /**
      * @brief Gets Ans Manager proxy.
diff --git a/frameworks/core/include/distributed_notification_service_ipc_interface_code.h b/frameworks/core/include/distributed_notification_service_ipc_interface_code.h
index 787a3a29c7b822153c341db814fe3a4586a33a20..1738c062cb69c5e410a8cf32299fb418ce5d8b22 100644
--- a/frameworks/core/include/distributed_notification_service_ipc_interface_code.h
+++ b/frameworks/core/include/distributed_notification_service_ipc_interface_code.h
@@ -111,7 +111,6 @@ namespace Notification {
         REGISTER_PUSH_CALLBACK,
         UNREGISTER_PUSH_CALLBACK,
         DISTRIBUTE_OPERATION,
-        GET_OVERLAY_ICON_SCALE_SIZE,
         // ans_subscriber_interface
         ON_CONNECTED,
         ON_DISCONNECTED,
diff --git a/frameworks/core/src/ans_image_util.cpp b/frameworks/core/src/ans_image_util.cpp
index c9a4504842228d47b1fb1b2150ce5102c9af777d..f5c2458bbae60e7d27ff957b8607eed600609c3f 100644
--- a/frameworks/core/src/ans_image_util.cpp
+++ b/frameworks/core/src/ans_image_util.cpp
@@ -16,8 +16,6 @@
 #include "ans_log_wrapper.h"
 #include "image_packer.h"
 #include "image_source.h"
-#include "ans_notification.h"
-#include "singleton.h"
 
 namespace OHOS {
 namespace Notification {
@@ -185,30 +183,6 @@ bool AnsImageUtil::ImageScale(const std::shared_ptr<Media::PixelMap> &pixelMap,
     return true;
 }
 
-bool AnsImageUtil::HandleOverSizeOverlayIcon(const std::shared_ptr<Media::PixelMap> &pixelMap)
-{
-    uint32_t ccmScaleSize = 0;
-
-    ErrCode code = DelayedSingleton<AnsNotification>::GetInstance()->GetOverlayIconScaleSize(ccmScaleSize);
-    if (code != ERR_OK || ccmScaleSize == 0) {
-        ANS_LOGW("get overlayIcon scale size failed.");
-        return false;
-    }
-    ANS_LOGD("overlayIcon size before scale: %{public}d", pixelMap->GetByteCount());
-    auto icon = AnsImageUtil::ImageScale(pixelMap, ccmScaleSize, ccmScaleSize);
-    if (!icon) {
-        ANS_LOGE("overlayIcon is null after scale.");
-        return false;
-    }
-    ANS_LOGD("overlayIcon size after scale: %{public}d", pixelMap->GetByteCount());
-    auto size = static_cast<uint32_t>(pixelMap->GetByteCount());
-    if (size > MAX_ICON_SIZE) {
-        ANS_LOGW("overlayIcon oversize after scale.");
-        return false;
-    }
-    return true;
-}
-
 std::shared_ptr<Media::PixelMap> AnsImageUtil::CreatePixelMapByString(const std::string &imagedata)
 {
     if (imagedata.empty()) {
diff --git a/frameworks/core/src/ans_notification.cpp b/frameworks/core/src/ans_notification.cpp
index 6bd054f9c1026c60affca7704cc3e9380dc9cd4a..d91ca8db7d427477608fb1e0ee459e58718ffad9 100644
--- a/frameworks/core/src/ans_notification.cpp
+++ b/frameworks/core/src/ans_notification.cpp
@@ -26,7 +26,6 @@
 #include "notification_local_live_view_subscriber.h"
 #include "system_ability_definition.h"
 #include "unique_fd.h"
-#include "ans_image_util.h"
 
 #include <memory>
 #include <thread>
@@ -1599,10 +1598,7 @@ ErrCode AnsNotification::CheckImageSize(const NotificationRequest &request)
     auto overlayIcon = request.GetOverlayIcon();
     if (overlayIcon && NotificationRequest::CheckImageOverSizeForPixelMap(overlayIcon, MAX_ICON_SIZE)) {
         ANS_LOGE("The size of overlay icon exceeds limit");
-        if (!AnsImageUtil::HandleOverSizeOverlayIcon(overlayIcon)) {
-            ANS_LOGE("HandleOverSizeOverlayIcon failed.");
-            request.ResetOverlayIcon();
-        }
+        return ERR_ANS_ICON_OVER_SIZE;
     }
 
     ErrCode err = request.CheckImageSizeForContent();
@@ -2360,19 +2356,6 @@ ErrCode AnsNotification::DisableNotificationFeature(const NotificationDisable &n
     return proxy->DisableNotificationFeature(reqPtr);
 }
 
-ErrCode AnsNotification::GetOverlayIconScaleSize(uint32_t& scale)
-{
-    ANS_LOGI("GetOverlayIconScaleSize proxy called.");
-    HITRACE_METER_NAME(HITRACE_TAG_NOTIFICATION, __PRETTY_FUNCTION__);
-
-    sptr<IAnsManager> proxy = GetAnsManagerProxy();
-    if (!proxy) {
-        ANS_LOGE("GetAnsManagerProxy fail.");
-        return ERR_ANS_SERVICE_NOT_CONNECTED;
-    }
-    return proxy->GetOverlayIconScaleSize(scale);
-}
-
 ErrCode AnsNotification::DistributeOperation(sptr<NotificationOperationInfo>& operationInfo,
     const sptr<IAnsOperationCallback> &callback)
 {
@@ -2440,6 +2423,5 @@ ErrCode AnsNotification::GetAllNotificationsBySlotType(std::vector<sptr<Notifica
     }
     return proxy->GetAllNotificationsBySlotType(notifications, slotType);
 }
-
 }  // namespace Notification
 }  // namespace OHOS
diff --git a/frameworks/core/test/unittest/ans_image_util_test/BUILD.gn b/frameworks/core/test/unittest/ans_image_util_test/BUILD.gn
index ef82e6858a99bad6a7bcfc8a8d156356cf3f1f11..ce61789ec22b8cc9c956389a3f20bf481e92327a 100644
--- a/frameworks/core/test/unittest/ans_image_util_test/BUILD.gn
+++ b/frameworks/core/test/unittest/ans_image_util_test/BUILD.gn
@@ -23,7 +23,6 @@ ohos_unittest("ans_image_util_test") {
   include_dirs = [
     "${core_path}/include",
     "${core_path}/common/include",
-    "${interfaces_path}/kits/native",
     "../mock",
   ]
 
@@ -35,7 +34,7 @@ ohos_unittest("ans_image_util_test") {
     "ans_image_util_unit_test.cpp",
   ]
 
-  deps = [ "${frameworks_module_ans_path}:ans_innerkits" ]
+  deps = []
 
   external_deps = [
     "ability_base:want",
diff --git a/frameworks/core/test/unittest/ans_notification_branch_test/ans_notification_branch_test.cpp b/frameworks/core/test/unittest/ans_notification_branch_test/ans_notification_branch_test.cpp
index 540706e7c12a0a6d085a6811bd6acb485420881b..42f37eca23e22dc802dfc96ef39857a5fc0c3903 100644
--- a/frameworks/core/test/unittest/ans_notification_branch_test/ans_notification_branch_test.cpp
+++ b/frameworks/core/test/unittest/ans_notification_branch_test/ans_notification_branch_test.cpp
@@ -719,11 +719,6 @@ public:
     {
         return ERR_ANS_INVALID_PARAM;
     }
-
-    ErrCode GetOverlayIconScaleSize(uint32_t& scaleSize)
-    {
-        return ERR_ANS_INVALID_PARAM;
-    }
 };
 
 class AnsNotificationBranchTest : public testing::Test {
diff --git a/interfaces/inner_api/notification_request.h b/interfaces/inner_api/notification_request.h
index 21b6e8a32bb780536742e215e7fda1ae66510e3d..6bf541bfe7fa85a9f0fbf1b95507dd22081780af 100644
--- a/interfaces/inner_api/notification_request.h
+++ b/interfaces/inner_api/notification_request.h
@@ -567,12 +567,6 @@ public:
      */
     void SetOverlayIcon(const std::shared_ptr<Media::PixelMap> &overlayIcon);
 
-    /**
-     * @brief reset the overlay icon of this notification.
-     *
-     */
-    void ResetOverlayIcon() const;
-
     /**
      * @brief Obtains the overlay icon of this notification.
      *
@@ -1636,7 +1630,7 @@ private:
     std::shared_ptr<Media::PixelMap> littleIcon_ {};
     std::string littleIconType_ {};
     mutable std::shared_ptr<Media::PixelMap> bigIcon_ {};
-    mutable std::shared_ptr<Media::PixelMap> overlayIcon_ {};
+    std::shared_ptr<Media::PixelMap> overlayIcon_ {};
     std::shared_ptr<NotificationContent> notificationContent_ {};
 
     std::vector<std::shared_ptr<NotificationActionButton>> actionButtons_ {};
diff --git a/services/ans/include/advanced_notification_service.h b/services/ans/include/advanced_notification_service.h
index eeabb3f17bb0d8f6e1bbbf0a4e97a9b99ec5e892..389b5bb2414b696ed2592faf3abd421c52c3b5f2 100644
--- a/services/ans/include/advanced_notification_service.h
+++ b/services/ans/include/advanced_notification_service.h
@@ -1343,8 +1343,6 @@ public:
      */
     ErrCode SetHashCodeRule(const uint32_t type) override;
 
-    ErrCode GetOverlayIconScaleSize(uint32_t& scaleSize) override;
-
 protected:
     /**
      * @brief Query whether there is a agent relationship between the two apps.
diff --git a/services/ans/include/notification_config_parse.h b/services/ans/include/notification_config_parse.h
index b8ba792a4e0fd985796bac31a95bf65886b65b1b..77b9f77450eee8045099742a594fa6dd6f1c358d 100644
--- a/services/ans/include/notification_config_parse.h
+++ b/services/ans/include/notification_config_parse.h
@@ -61,7 +61,6 @@ public:
     void GetCollaborationFilter();
     bool IsInCollaborationFilter(const std::string &bundleName, int32_t uid) const;
     uint32_t GetStartAbilityTimeout();
-    uint32_t GetOverlayIconScaleSize() const;
 
 private:
     std::map<NotificationConstant::SlotType, uint32_t> defaultCurrentSlotReminder_;
@@ -96,7 +95,6 @@ public:
     #endif
     constexpr static const char* CFG_KEY_COLLABORATIVE_DELETE_TYPES = "collaborativeDeleteTypes";
     constexpr static const char* CFG_KEY_START_ABILITY_TIMEOUT = "startAbilityTimeout";
-    constexpr static const char* CFG_KEY_OVERLAYICON_SCALE_SIZE = "overlayIconScaleSize";
 };
 } // namespace Notification
 } // namespace OHOS
diff --git a/services/ans/src/advanced_notification_publish_service.cpp b/services/ans/src/advanced_notification_publish_service.cpp
index 39c8078d1ba371fd795437c21f03712475f771bb..6dabce6780a41c885bded7bede1554d7b668b18b 100644
--- a/services/ans/src/advanced_notification_publish_service.cpp
+++ b/services/ans/src/advanced_notification_publish_service.cpp
@@ -1228,12 +1228,5 @@ ErrCode AdvancedNotificationService::SetHashCodeRule(const uint32_t type)
 
     return result;
 }
-
-ErrCode AdvancedNotificationService::GetOverlayIconScaleSize(uint32_t& scaleSize)
-{
-    ANS_LOGD("%{public}s", __FUNCTION__);
-    scaleSize = NotificationConfigParse::GetInstance()->GetOverlayIconScaleSize();
-    return ERR_OK;
-}
 }  // namespace Notification
 }  // namespace OHOS
diff --git a/services/ans/src/common/notification_config_parse.cpp b/services/ans/src/common/notification_config_parse.cpp
index 2863c12edee4bb6288b5ca5fa11aa88cbd6f0254..e7a444355f58c233dafe917798823235a5245a27 100644
--- a/services/ans/src/common/notification_config_parse.cpp
+++ b/services/ans/src/common/notification_config_parse.cpp
@@ -477,31 +477,6 @@ void NotificationConfigParse::GetReportTrustListConfig()
     return;
 }
 
-uint32_t NotificationConfigParse::GetOverlayIconScaleSize() const
-{
-    uint32_t ret;
-    nlohmann::json root;
-    std::string JsonPoint = "/";
-    JsonPoint.append(CFG_KEY_NOTIFICATION_SERVICE);
-    if (!GetConfigJson(JsonPoint, root)) {
-        ANS_LOGE("Fail to get JsonPoint CCM config file");
-        return 0;
-    }
-    if (!root.contains(CFG_KEY_NOTIFICATION_SERVICE)) {
-        ANS_LOGW("GetOverlayIconScaleSize not found jsonKey");
-        return 0;
-    }
-    nlohmann::json affects = root[CFG_KEY_NOTIFICATION_SERVICE];
-    if (affects.is_null() || affects.empty()) {
-        ANS_LOGE("GetOverlayIconScaleSize failed as invalid json key.");
-        return 0;
-    }
-    if (affects.contains(CFG_KEY_OVERLAYICON_SCALE_SIZE)) {
-        return affects[CFG_KEY_OVERLAYICON_SCALE_SIZE];
-    }
-    return 0;
-}
-
 bool NotificationConfigParse::IsReportTrustList(const std::string& bundleName) const
 {
     return reporteTrustSet_.count(bundleName);
diff --git a/tools/test/mock/mock_ans_manager_stub.h b/tools/test/mock/mock_ans_manager_stub.h
index f886c0e74de48686fceb81155caf6aa66c584e65..6e602d4b5b85f6bb2d8f82daff3c3bb4c0acef83 100644
--- a/tools/test/mock/mock_ans_manager_stub.h
+++ b/tools/test/mock/mock_ans_manager_stub.h
@@ -701,11 +701,6 @@ public:
         return ERR_ANS_INVALID_PARAM;
     }
 
-    ErrCode GetOverlayIconScaleSize(uint32_t &scaleSize) override
-    {
-        return ERR_ANS_INVALID_PARAM;
-    }
-
 private:
     std::string cmd_;
     std::string bundle_;