diff --git a/dlls/msxml3/factory.c b/dlls/msxml3/factory.c
index 2a32b3b5b0d..e91666c6d79 100644
--- a/dlls/msxml3/factory.c
+++ b/dlls/msxml3/factory.c
@@ -43,6 +43,8 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
 
+extern GUID CLSID_XMLSchemaCache60;
+
 typedef HRESULT (*ClassFactoryCreateInstanceFunc)(void**);
 typedef HRESULT (*DOMFactoryCreateInstanceFunc)(MSXML_VERSION, void**);
 
diff --git a/dlls/msxml3/uuid.c b/dlls/msxml3/uuid.c
index 4abbe5e4763..7e50b439146 100644
--- a/dlls/msxml3/uuid.c
+++ b/dlls/msxml3/uuid.c
@@ -54,3 +54,5 @@
  * XMLDSOControl                      DSOControl
  *
  */
+
+DEFINE_GUID(CLSID_XMLSchemaCache60, 0x88d96a07, 0xf192, 0x11d4, 0xa6, 0x5f, 0x00, 0x40, 0x96, 0x32, 0x51, 0xe5);
diff --git a/include/msxml2.idl b/include/msxml2.idl
index ede4113ecbf..848bc13952a 100644
--- a/include/msxml2.idl
+++ b/include/msxml2.idl
@@ -1750,14 +1750,6 @@ coclass XMLSchemaCache40
     [default] interface IXMLDOMSchemaCollection2;
 }
 
-[
-    uuid(88d96a07-f192-11d4-a65f-0040963251e5)
-]
-coclass XMLSchemaCache60
-{
-    [default] interface IXMLDOMSchemaCollection2;
-}
-
 [
     helpstring("XML Schema Cache"),
     progid("Msxml2.XMLSchemaCache"),