diff --git a/Readme.md b/Readme.md
index 187d656..e182fa4 100644
--- a/Readme.md
+++ b/Readme.md
@@ -406,10 +406,6 @@ For more information, check [this](https://forum.winehq.org/viewtopic.php?f=8&t=
 
 - `custompatch_glsl_shader.patch` = GLSL shaders patch for Wine.
 
-- `custompatch_msi-add-dummyactionthreads.patch` = Add MSI dummy actions since Wine lacks a proper implementation of MSI custom action server. See details [here](https://bugs.winehq.org/show_bug.cgi?id=18070)
-
-Basically, this patch helps you installing many useful programs on Wine which would otherwise be impossible.
-
 - `custompatch_photoshop_getticks_input.c.patch` = Photoshop brush patch for Wine. Details [here](https://bugs.winehq.org/show_bug.cgi?id=29871)
 
 - `custompatch_photoshop_keepfocus_message.c.patch` = Patch for keeping window focus while using Camera Raw plugin.
diff --git a/wine-playonlinux/custompatch_msi-add-dummyactionthreads.patch b/wine-playonlinux/custompatch_msi-add-dummyactionthreads.patch
deleted file mode 100644
index eaaab0a..0000000
--- a/wine-playonlinux/custompatch_msi-add-dummyactionthreads.patch
+++ /dev/null
@@ -1,80 +0,0 @@
---- a/dlls/msi/action.c
-+++ a/dlls/msi/action.c
-@@ -7862,6 +7862,59 @@ static UINT ACTION_PerformActionSequence(MSIPACKAGE *package, UINT seq)
-     return rc;
- }
- 
-+/* Dummy thread just to initialize an MTA for the benefit of custom action DLLs */
-+static HANDLE dummy_thread_sync_event = NULL;
-+static HANDLE dummy_thread_stop_event = NULL;
-+static HANDLE dummy_thread_handle = NULL;
-+
-+DWORD WINAPI dummy_thread_proc(void *arg)
-+{
-+    HRESULT hr;
-+    DWORD dwWaitResult;
-+
-+    hr = CoInitializeEx(0, COINIT_MULTITHREADED);
-+    if (FAILED(hr))
-+        WARN("CoInitializeEx failed %u\n", hr);
-+
-+    SetEvent(dummy_thread_sync_event);
-+    dwWaitResult = WaitForSingleObject(dummy_thread_stop_event, INFINITE);
-+
-+    if (dwWaitResult != WAIT_OBJECT_0)
-+        ERR("WaitForSingleObject failed?\n");
-+
-+    CoUninitialize();
-+    return 0;
-+}
-+
-+static void start_dummy_thread(void)
-+{
-+    if (dummy_thread_handle) return;
-+
-+    dummy_thread_sync_event = CreateEventA(NULL, TRUE, FALSE, "DummyThreadUpAndRunning");
-+    if (dummy_thread_sync_event == NULL)
-+        ERR("Can't create dummy thread sync event\n");
-+    dummy_thread_stop_event = CreateEventA(NULL, TRUE, FALSE, "DummyThreadStop");
-+    if (dummy_thread_stop_event == NULL)
-+        ERR("Can't create dummy thread stop event\n");
-+    dummy_thread_handle = CreateThread(NULL, 0, dummy_thread_proc, NULL, 0, NULL);
-+    if (dummy_thread_handle == NULL)
-+        ERR("Can't create dummy thread\n");
-+
-+    WaitForSingleObject(dummy_thread_sync_event, INFINITE);
-+}
-+
-+static void end_dummy_thread(void)
-+{
-+    SetEvent(dummy_thread_stop_event);
-+    WaitForSingleObject(dummy_thread_handle, INFINITE);
-+
-+    CloseHandle(dummy_thread_sync_event);
-+    CloseHandle(dummy_thread_stop_event);
-+    CloseHandle(dummy_thread_handle);
-+
-+    dummy_thread_handle = NULL;
-+}
-+
- /****************************************************
-  * TOP level entry points
-  *****************************************************/
-@@ -7938,6 +7991,8 @@ UINT MSI_InstallPackage( MSIPACKAGE *package, LPCWSTR szPackagePath,
-     msi_adjust_privilege_properties( package );
-     msi_set_context( package );
- 
-+    start_dummy_thread();
-+    
-     productcode = msi_dup_property( package->db, szProductCode );
-     if (strcmpiW( productcode, package->ProductCode ))
-     {
-@@ -7985,6 +8040,8 @@ UINT MSI_InstallPackage( MSIPACKAGE *package, LPCWSTR szPackagePath,
- 
-     /* finish up running custom actions */
-     ACTION_FinishCustomActions(package);
-+    
-+    end_dummy_thread();
- 
-     if (package->need_rollback && !reinstall)
-     {