diff --git a/dlls/cfgmgr32/Makefile.in b/dlls/cfgmgr32/Makefile.in
index 33360dbddd3..9974fbc952e 100644
--- a/dlls/cfgmgr32/Makefile.in
+++ b/dlls/cfgmgr32/Makefile.in
@@ -6,9 +6,6 @@ MODULE    = cfgmgr32.dll
 IMPORTLIB = libcfgmgr32.$(IMPLIBEXT)
 IMPORTS   = setupapi kernel32
 
-C_SRCS = \
-	main.c
-
 @MAKE_DLL_RULES@
 
 @DEPENDENCIES@  # everything below this line is overwritten by make depend
diff --git a/dlls/cfgmgr32/cfgmgr32.spec b/dlls/cfgmgr32/cfgmgr32.spec
index 2d53dd12296..b00648b66e1 100644
--- a/dlls/cfgmgr32/cfgmgr32.spec
+++ b/dlls/cfgmgr32/cfgmgr32.spec
@@ -60,11 +60,11 @@
 @ stub CM_Get_DevNode_Registry_Property_ExW
 @ stub CM_Get_DevNode_Status
 @ stub CM_Get_DevNode_Status_Ex
-@ stdcall CM_Get_Device_IDA(ptr ptr long long)
+@ stdcall CM_Get_Device_IDA(ptr ptr long long) setupapi.CM_Get_Device_IDA
 @ stub CM_Get_Device_IDW
 @ stub CM_Get_Device_ID_ExA
 @ stub CM_Get_Device_ID_ExW
-@ stdcall CM_Get_Device_ID_ListA(ptr ptr long long)
+@ stdcall CM_Get_Device_ID_ListA(ptr ptr long long) setupapi.CM_Get_Device_ID_ListA
 @ stub CM_Get_Device_ID_ListW
 @ stub CM_Get_Device_ID_List_ExA
 @ stub CM_Get_Device_ID_List_ExW
@@ -72,7 +72,7 @@
 @ stub CM_Get_Device_ID_List_SizeW
 @ stub CM_Get_Device_ID_List_Size_ExA
 @ stub CM_Get_Device_ID_List_Size_ExW
-@ stdcall CM_Get_Device_ID_Size(ptr ptr long)
+@ stdcall CM_Get_Device_ID_Size(ptr ptr long) setupapi.CM_Get_Device_ID_Size
 @ stub CM_Get_Device_ID_Size_Ex
 @ stub CM_Get_Device_Interface_AliasA
 @ stub CM_Get_Device_Interface_AliasW
diff --git a/dlls/cfgmgr32/main.c b/dlls/cfgmgr32/main.c
deleted file mode 100644
index 9f27a299469..00000000000
--- a/dlls/cfgmgr32/main.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * cfgmgr32 implementation
- *
- * Copyright 2004 Aric Stewart for CodeWeavers
- * Copyright 2003 Mike McCormack for CodeWeavers
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
- */
-
-#include <stdarg.h>
-#include "windef.h"
-#include "winbase.h"
-#include "winnt.h"
-#include "cfgmgr32.h"
-
-#include "wine/debug.h"
-
-WINE_DEFAULT_DEBUG_CHANNEL(cfgmgr32);
-
-/***********************************************************************
- *		DllMain  (CFGMGR32.@)
- */
-BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
-{
-    switch(reason)
-    {
-    case DLL_WINE_PREATTACH:
-        return FALSE;  /* prefer native version */
-    case DLL_PROCESS_ATTACH:
-        DisableThreadLibraryCalls( inst );
-        break;
-    }
-    return TRUE;
-}
-
-/***********************************************************************
- *		CM_Get_Device_ID_ListA  (CFGMGR32.@)
- */
-CONFIGRET WINAPI CM_Get_Device_ID_ListA( 
-    PCSTR pszFilter, PCHAR Buffer, ULONG BufferLen, ULONG ulFlags )
-{
-    FIXME("%p %p %d %d\n", pszFilter, Buffer, BufferLen, ulFlags );
-    memset(Buffer,0,2);
-    return CR_SUCCESS;
-}
-
-/***********************************************************************
- *		CM_Get_Device_ID_Size  (CFGMGR32.@)
- */
-CONFIGRET WINAPI CM_Get_Device_ID_Size( ULONG*  pulLen, LPVOID dnDevInst,
-                                        ULONG  ulFlags)
-{
-    FIXME("%p %p %u\n",pulLen, dnDevInst, ulFlags);
-    *pulLen = 1;
-    return CR_SUCCESS;
-}
-
-/***********************************************************************
- *		CM_Get_Device_IDA  (CFGMGR32.@)
- */
-CONFIGRET WINAPI CM_Get_Device_IDA( LPVOID dnDevInst, LPSTR Buffer, 
-                                   ULONG  BufferLen, ULONG  ulFlags)
-{
-    FIXME("%p, %p, %u %u\n",dnDevInst, Buffer, BufferLen, ulFlags);
-    Buffer[0] = 0;
-    return CR_SUCCESS;
-}