diff --git a/services/include/updater/updater_const.h b/services/include/updater/updater_const.h
index 38cb92de17553a5f99e9df783305f01c24182bec..6f9176d7e86f7c7ea6defa565726f76b11a0e35e 100644
--- a/services/include/updater/updater_const.h
+++ b/services/include/updater/updater_const.h
@@ -31,6 +31,7 @@ constexpr const char *SYS_INSTALLER_LOG = "/data/updater/log/sys_installer.log";
 constexpr const char *UPDATER_STAGE_LOG = "/data/updater/log/updater_stage_log";
 constexpr const char *UPDATER_LOG_FILE = "updater_log";
 constexpr const char *UPDATER_STAGE_FILE = "updater_stage_log";
+constexpr const char *SYS_INSTALLER_PATH = "/mnt/sys_installer";
 constexpr const char *UPDATER_PATH = "/data/updater";
 constexpr const char *UPDATER_LOCALE_FILE = "locale";
 constexpr const char *UPDATER_RESULT_FILE = "updater_result";
diff --git a/services/updater.cpp b/services/updater.cpp
index fc32733c9918a213e33ec110954b002da737a884..c8c00ae73616bd18ca34009dd1b339a99531e79e 100644
--- a/services/updater.cpp
+++ b/services/updater.cpp
@@ -279,12 +279,6 @@ __attribute__((weak)) bool PreStartBinaryEntry([[maybe_unused]] const std::strin
     return true;
 }
 
-__attribute__((weak)) bool EnableCodeSignForBinary([[maybe_unused]] const std::string &fullPath)
-{
-    LOG(INFO) << "no need to enable code sign for binary";
-    return true;
-}
-
 float g_progressRatio = 1.0;
 
 void SetTotalProgressRatio(float ratio)
@@ -728,11 +722,6 @@ UpdaterStatus StartUpdaterProc(PkgManager::PkgManagerPtr pkgManager, UpdaterPara
 #ifdef WITH_SELINUX
     Restorecon(fullPath.c_str());
 #endif // WITH_SELINUX
-    if (!EnableCodeSignForBinary(fullPath)) {
-        LOG(ERROR) << "Failed to sign for binary";
-        UPDATER_LAST_WORD(UPDATE_ERROR, "Failed to sign for binary");
-        return UPDATE_ERROR;
-    }
     pid_t pid = fork();
     if (pid < 0) {
         ERROR_CODE(CODE_FORK_FAIL);
@@ -765,6 +754,6 @@ std::string GetWorkPath()
         return G_WORK_PATH;
     }
 
-    return std::string(UPDATER_PATH) + "/";
+    return std::string(SYS_INSTALLER_PATH) + "/";
 }
 } // namespace Updater
diff --git a/services/updater_main.h b/services/updater_main.h
index c8a430c944f91a586c0227655c5ecdc39b80bd0f..bd1cc22f48641b0a9651af6706ae72215292bc60 100644
--- a/services/updater_main.h
+++ b/services/updater_main.h
@@ -94,7 +94,6 @@ UpdaterStatus NotifyActionResult(UpdaterParams &upParams,
     UpdaterStatus &status, const std::vector<NotifyAction> &notifyActionVec);
 UpdaterStatus UpdateSubPkg(UpdaterParams &upParams);
 void NotifyPreCheck(UpdaterStatus &status, UpdaterParams &upParams);
-bool EnableCodeSignForBinary([[maybe_unused]] const std::string &fullPath);
 #ifdef __cplusplus
 #if __cplusplus
 }