diff --git a/reactos/subsys/smss/smapi.c b/reactos/subsys/smss/smapi.c
index 8920b9f0488..8fd1ed219d6 100644
--- a/reactos/subsys/smss/smapi.c
+++ b/reactos/subsys/smss/smapi.c
@@ -357,11 +357,9 @@ NTSTATUS
 SmCreateApiPort(VOID)
 {
   OBJECT_ATTRIBUTES  ObjectAttributes = {0};
-  UNICODE_STRING     UnicodeString = {0};
+  UNICODE_STRING     UnicodeString = RTL_CONSTANT_STRING(L"\\SmApiPort");
   NTSTATUS           Status = STATUS_SUCCESS;
 
-  RtlRosInitUnicodeStringFromLiteral(&UnicodeString,
-		       L"\\SmApiPort");
   InitializeObjectAttributes(&ObjectAttributes,
 			     &UnicodeString,
 			     PORT_ALL_ACCESS,
diff --git a/reactos/subsys/smss/smss.h b/reactos/subsys/smss/smss.h
index 1b3d338614b..3386acdf754 100644
--- a/reactos/subsys/smss/smss.h
+++ b/reactos/subsys/smss/smss.h
@@ -3,12 +3,8 @@
 
 #include <windows.h>
 #define NTOS_MODE_USER
-#define READY_FOR_NEW_NTDLL
 #include <ndk/ntndk.h>
 
-#include <rosrtl/string.h>
-#include <wchar.h>
-
 #include <sm/api.h>
 #include <sm/helper.h>
 
diff --git a/reactos/subsys/smss/smss.xml b/reactos/subsys/smss/smss.xml
index 02d919c7fd0..e7e7dea011e 100644
--- a/reactos/subsys/smss/smss.xml
+++ b/reactos/subsys/smss/smss.xml
@@ -5,6 +5,7 @@
 	<library>smlib</library>
 	<library>ntdll</library>
 	<linkerflag>-lgcc</linkerflag>
+    <pch>smss.h</pch>
 	<file>client.c</file>
 	<file>debug.c</file>
 	<file>init.c</file>