diff --git a/reactos/lib/kernel32/file/find.c b/reactos/lib/kernel32/file/find.c
index 02fa156085f..b1d7b2bfb98 100644
--- a/reactos/lib/kernel32/file/find.c
+++ b/reactos/lib/kernel32/file/find.c
@@ -94,7 +94,7 @@ InternalFindFirstFile (
 	PKERNEL32_FIND_FILE_DATA IData;
 	IO_STATUS_BLOCK IoStatusBlock;
 	UNICODE_STRING NtPathU;
-	UNICODE_STRING PatternStr;
+	UNICODE_STRING PatternStr = RTL_CONSTANT_STRING(L"*");
 	NTSTATUS Status;
 	PWSTR e1, e2;
 	WCHAR CurrentDir[256];
@@ -234,11 +234,7 @@ InternalFindFirstFile (
 	}
 
 	/* change pattern: "*.*" --> "*" */
-	if (!wcscmp (SearchPattern, L"*.*"))
-	{
-	    RtlRosInitUnicodeStringFromLiteral(&PatternStr, L"*");
-	}
-	else
+	if (wcscmp (SearchPattern, L"*.*"))
 	{
 	    RtlInitUnicodeString(&PatternStr, SearchPattern);
 	}
diff --git a/reactos/lib/kernel32/k32.h b/reactos/lib/kernel32/k32.h
index a95732247ed..38cd3b0bdf3 100755
--- a/reactos/lib/kernel32/k32.h
+++ b/reactos/lib/kernel32/k32.h
@@ -34,7 +34,6 @@
 
 /* FIXME: KILL ROSRTL */
 #include <rosrtl/thread.h>
-#include <rosrtl/string.h>
 #include <rosrtl/registry.h>
 
 /* Internal Kernel32 Header */
diff --git a/reactos/lib/kernel32/misc/comm.c b/reactos/lib/kernel32/misc/comm.c
index 45de5e59bb9..58ce8c05540 100644
--- a/reactos/lib/kernel32/misc/comm.c
+++ b/reactos/lib/kernel32/misc/comm.c
@@ -210,8 +210,8 @@ COMMDCB_ParseBool(LPWSTR *StrTail,
     BOOL bRetVal;
     ULONG_PTR nValue;
     static COMMDCB_PARAM_STRFLAG a_BoolFlags[] = {
-       { ROS_STRING_INITIALIZER(L"off"), FALSE },
-       { ROS_STRING_INITIALIZER(L"on"),  TRUE }
+       { RTL_CONSTANT_STRING(L"off"), FALSE },
+       { RTL_CONSTANT_STRING(L"on"),  TRUE }
     };
 
     /* try to recognize the next flag as a boolean */
@@ -339,9 +339,9 @@ COMMDCB_PARAM_HANDLER(dtr)
     BOOL bRetVal;
     ULONG_PTR nValue;
     static COMMDCB_PARAM_STRFLAG a_DTRFlags[] = {
-        { ROS_STRING_INITIALIZER(L"hs"),  DTR_CONTROL_HANDSHAKE },
-        { ROS_STRING_INITIALIZER(L"off"), DTR_CONTROL_DISABLE },
-        { ROS_STRING_INITIALIZER(L"on"),  DTR_CONTROL_ENABLE }
+        { RTL_CONSTANT_STRING(L"hs"),  DTR_CONTROL_HANDSHAKE },
+        { RTL_CONSTANT_STRING(L"off"), DTR_CONTROL_DISABLE },
+        { RTL_CONSTANT_STRING(L"on"),  DTR_CONTROL_ENABLE }
     };
 
     (void)Timeouts;
@@ -450,10 +450,10 @@ COMMDCB_PARAM_HANDLER(rts)
     DWORD nRetVal;
     ULONG_PTR nValue;
     static COMMDCB_PARAM_STRFLAG a_RTSFlags[] = {
-        { ROS_STRING_INITIALIZER(L"hs"),  RTS_CONTROL_HANDSHAKE },
-        { ROS_STRING_INITIALIZER(L"off"), RTS_CONTROL_DISABLE },
-        { ROS_STRING_INITIALIZER(L"on"),  RTS_CONTROL_ENABLE },
-        { ROS_STRING_INITIALIZER(L"tg"),  RTS_CONTROL_TOGGLE }
+        { RTL_CONSTANT_STRING(L"hs"),  RTS_CONTROL_HANDSHAKE },
+        { RTL_CONSTANT_STRING(L"off"), RTS_CONTROL_DISABLE },
+        { RTL_CONSTANT_STRING(L"on"),  RTS_CONTROL_ENABLE },
+        { RTL_CONSTANT_STRING(L"tg"),  RTS_CONTROL_TOGGLE }
     };
 
     (void)Timeouts;
@@ -480,9 +480,9 @@ COMMDCB_PARAM_HANDLER(stop)
     BOOL bRetVal;
     ULONG_PTR nValue;
     static COMMDCB_PARAM_STRFLAG a_StopFlags[] = {
-        { ROS_STRING_INITIALIZER(L"1"),   ONESTOPBIT },
-        { ROS_STRING_INITIALIZER(L"1.5"), ONE5STOPBITS },
-        { ROS_STRING_INITIALIZER(L"2"),   TWOSTOPBITS }
+        { RTL_CONSTANT_STRING(L"1"),   ONESTOPBIT },
+        { RTL_CONSTANT_STRING(L"1.5"), ONE5STOPBITS },
+        { RTL_CONSTANT_STRING(L"2"),   TWOSTOPBITS }
     };
 
     (void)Timeouts;
@@ -572,7 +572,7 @@ COMMDCB_PARAM_HANDLER(xon)
 /* FUNCTIONS */
 #define COMMDCB_PARAM(__P__) \
  { \
-  ROS_STRING_INITIALIZER( L""#__P__ ), \
+  RTL_CONSTANT_STRING( L""#__P__ ), \
   (ULONG_PTR)&COMMDCB_ ## __P__ ## Param \
  }
 
diff --git a/reactos/lib/kernel32/misc/computername.c b/reactos/lib/kernel32/misc/computername.c
index 3e100ccb08f..92962ec9fb9 100644
--- a/reactos/lib/kernel32/misc/computername.c
+++ b/reactos/lib/kernel32/misc/computername.c
@@ -144,7 +144,9 @@ GetComputerNameExW (
 
     case ComputerNameDnsFullyQualified:
 	RtlInitUnicodeString(&Dot,L".");
-	RosInitializeString(&ResultString,0,*nSize * sizeof(WCHAR),lpBuffer);
+	RtlInitUnicodeString(&ResultString, NULL);
+    ResultString.Length = *nSize * sizeof(WCHAR);
+    ResultString.MaximumLength = *nSize * sizeof(WCHAR);
 	RtlInitUnicodeString(&RegKey,
 			     L"\\Registry\\Machine\\System"
 			     L"\\CurrentControlSet\\Services\\Tcpip"
diff --git a/reactos/lib/kernel32/misc/dllmain.c b/reactos/lib/kernel32/misc/dllmain.c
index 7aa6df08389..e0b3f9a88df 100644
--- a/reactos/lib/kernel32/misc/dllmain.c
+++ b/reactos/lib/kernel32/misc/dllmain.c
@@ -47,7 +47,7 @@ static NTSTATUS
 OpenBaseDirectory(PHANDLE DirHandle)
 {
   OBJECT_ATTRIBUTES ObjectAttributes;
-  UNICODE_STRING Name = ROS_STRING_INITIALIZER(L"\\BaseNamedObjects");
+  UNICODE_STRING Name = RTL_CONSTANT_STRING(L"\\BaseNamedObjects");
   NTSTATUS Status;
 
   InitializeObjectAttributes(&ObjectAttributes,
diff --git a/reactos/lib/kernel32/misc/lang.c b/reactos/lib/kernel32/misc/lang.c
index c030e8cab49..f6686d1233f 100644
--- a/reactos/lib/kernel32/misc/lang.c
+++ b/reactos/lib/kernel32/misc/lang.c
@@ -293,7 +293,8 @@ EnumSystemLocalesW (
 {
 	NTSTATUS result;
 	HANDLE langKey;
-	UNICODE_STRING langKeyName;
+	UNICODE_STRING langKeyName = RTL_CONSTANT_STRING(
+    L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Nls\\Locale");
 	OBJECT_ATTRIBUTES objectAttributes;
 	ULONG index, length;
 	unsigned char fullInfo[sizeof(KEY_VALUE_FULL_INFORMATION)+255*2]; //FIXME: MAX_PATH*2
@@ -314,9 +315,6 @@ EnumSystemLocalesW (
 	// Open language registry key
 	//FIXME: Should we use critical section here?
 
-	RtlRosInitUnicodeStringFromLiteral(&langKeyName,
-		L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Nls\\Locale");
-
 	InitializeObjectAttributes(&objectAttributes,
 			     &langKeyName,
 			     OBJ_CASE_INSENSITIVE,