diff --git a/res/msi/CustomActions/CustomActions.cpp b/res/msi/CustomActions/CustomActions.cpp
index 85ea27fe8bd..209b31a89f3 100644
--- a/res/msi/CustomActions/CustomActions.cpp
+++ b/res/msi/CustomActions/CustomActions.cpp
@@ -1,6 +1,6 @@
 // CustomAction.cpp : Defines the entry point for the custom action.
 #include "pch.h"
-
+#include <stdlib.h>
 #include <strutil.h>
 #include <shellapi.h>
 #include <tlhelp32.h>
@@ -70,26 +70,6 @@ UINT __stdcall RemoveInstallFolder(
     return WcaFinalize(er);
 }
 
-#include "../../../src/platform/windows_delete_test_cert.cc";
-UINT __stdcall DeleteTestCerts(
-    __in MSIHANDLE hInstall)
-{
-    HRESULT hr = S_OK;
-    DWORD er = ERROR_SUCCESS;
-
-    hr = WcaInitialize(hInstall, "DeleteTestCerts");
-    ExitOnFailure(hr, "Failed to initialize");
-
-    WcaLog(LOGMSG_STANDARD, "Initialized.");
-
-    DeleteRustDeskTestCertsW();
-    WcaLog(LOGMSG_STANDARD, "DeleteRustDeskTestCertsW finished.");
-
-LExit:
-    er = SUCCEEDED(hr) ? ERROR_SUCCESS : ERROR_INSTALL_FAILURE;
-    return WcaFinalize(er);
-}
-
 // https://learn.microsoft.com/en-us/windows/win32/api/winternl/nf-winternl-ntqueryinformationprocess
 // **NtQueryInformationProcess** may be altered or unavailable in future versions of Windows.
 // Applications should use the alternate functions listed in this topic.
diff --git a/res/msi/CustomActions/CustomActions.def b/res/msi/CustomActions/CustomActions.def
index 08a539cb7e9..0673ee1ad6d 100644
--- a/res/msi/CustomActions/CustomActions.def
+++ b/res/msi/CustomActions/CustomActions.def
@@ -3,5 +3,4 @@ LIBRARY "CustomActions"
 EXPORTS
     CustomActionHello
     RemoveInstallFolder
-    DeleteTestCerts
     TerminateProcesses
diff --git a/res/msi/Package/Components/RustDesk.wxs b/res/msi/Package/Components/RustDesk.wxs
index cf41ba01a55..f01c4999d4e 100644
--- a/res/msi/Package/Components/RustDesk.wxs
+++ b/res/msi/Package/Components/RustDesk.wxs
@@ -30,7 +30,6 @@
 
 			<Custom Action="RemoveInstallFolder.SetParam" After="RemoveFiles"/>
 			<Custom Action="RemoveInstallFolder" After="RemoveInstallFolder.SetParam"/>
-			<Custom Action="DeleteTestCerts" After="RemoveFiles"/>
 		</InstallExecuteSequence>
 
 		<!-- Shortcuts -->
diff --git a/res/msi/Package/Fragments/CustomActions.wxs b/res/msi/Package/Fragments/CustomActions.wxs
index 500b5da409c..0c1e61e4de6 100644
--- a/res/msi/Package/Fragments/CustomActions.wxs
+++ b/res/msi/Package/Fragments/CustomActions.wxs
@@ -6,7 +6,6 @@
 
     <CustomAction Id="CustomActionHello" DllEntry="CustomActionHello" Impersonate="yes" Execute="immediate" Return="ignore" BinaryRef="Custom_Actions_Dll"/>
     <CustomAction Id="RemoveInstallFolder" DllEntry="RemoveInstallFolder" Impersonate="no" Execute="deferred" Return="ignore" BinaryRef="Custom_Actions_Dll"/>
-    <CustomAction Id="DeleteTestCerts" DllEntry="DeleteTestCerts" Impersonate="no" Execute="deferred" Return="ignore" BinaryRef="Custom_Actions_Dll"/>
     <CustomAction Id="TerminateProcesses" DllEntry="TerminateProcesses" Impersonate="yes" Execute="immediate" Return="ignore" BinaryRef="Custom_Actions_Dll"/>
   </Fragment>
 </Wix>