diff --git a/frameworks/native/backup_ext/src/ext_extension.cpp b/frameworks/native/backup_ext/src/ext_extension.cpp
index 5dcc23aeb2326bee3d5d61471a9c430a7aa6735d..1b33794f6e9113df5dabf08846920f8570c98f93 100644
--- a/frameworks/native/backup_ext/src/ext_extension.cpp
+++ b/frameworks/native/backup_ext/src/ext_extension.cpp
@@ -700,6 +700,11 @@ void BackupExtExtension::DoClear()
         if (!ForceRemoveDirectory(restoreCache)) {
             HILOGI("Failed to delete the restore cache %{public}s", restoreCache.c_str());
         }
+        // delete el1 backup/restore
+        ForceRemoveDirectory(
+            string(BConstants::PATH_BUNDLE_BACKUP_HOME_EL1).append(BConstants::SA_BUNDLE_BACKUP_BACKUP));
+        ForceRemoveDirectory(
+            string(BConstants::PATH_BUNDLE_BACKUP_HOME_EL1).append(BConstants::SA_BUNDLE_BACKUP_RESTORE));
         unique_lock<shared_mutex> lock(lock_);
         tars_.clear();
     } catch (...) {
diff --git a/utils/include/b_resources/b_constants.h b/utils/include/b_resources/b_constants.h
index 8d486942eb3b5e313e84143dae631a5ca3d01422..8a3e99d6a7a2f6c927c72211d5f316a0ae41a8e9 100644
--- a/utils/include/b_resources/b_constants.h
+++ b/utils/include/b_resources/b_constants.h
@@ -76,6 +76,7 @@ static inline std::string_view SA_BUNDLE_BACKUP_BACKUP = "/backup/";
 static inline std::string_view SA_BUNDLE_BACKUP_RESTORE = "/restore/";
 static inline std::string_view SA_BUNDLE_BACKUP_TMP_DIR = "/tmp/";
 static inline std::string_view BACKUP_TOOL_RECEIVE_DIR = "/data/backup/received/";
+static inline std::string_view PATH_BUNDLE_BACKUP_HOME_EL1 = "/data/storage/el1/backup";
 static inline std::string_view PATH_BUNDLE_BACKUP_HOME = "/data/storage/el2/backup";
 static inline std::string_view BACKUP_TOOL_LINK_DIR = "/data/backup";
 static inline std::string_view BACKUP_TOOL_INSTALL_DIR = "/data/backup/install/";