diff --git a/dlls/msxml3/tests/domdoc.c b/dlls/msxml3/tests/domdoc.c
index b2399a8e677..f86026d555c 100644
--- a/dlls/msxml3/tests/domdoc.c
+++ b/dlls/msxml3/tests/domdoc.c
@@ -38,7 +38,6 @@
 #include "initguid.h"
 
 DEFINE_GUID(IID_IObjectSafety, 0xcb5bdc81, 0x93c1, 0x11cf, 0x8f,0x20, 0x00,0x80,0x5f,0x2c,0xd0,0x64);
-DEFINE_GUID(CLSID_DOMDocument60, 0x88d96a05, 0xf192, 0x11d4, 0xa6,0x5f, 0x00,0x40,0x96,0x32,0x51,0xe5);
 
 static int g_unexpectedcall, g_expectedcall;
 
diff --git a/dlls/msxml3/tests/saxreader.c b/dlls/msxml3/tests/saxreader.c
index d2bf5c25020..6480f0708fc 100644
--- a/dlls/msxml3/tests/saxreader.c
+++ b/dlls/msxml3/tests/saxreader.c
@@ -29,8 +29,6 @@
 
 #include "wine/test.h"
 
-#include "initguid.h"
-
 typedef enum _CH {
     CH_ENDTEST,
     CH_PUTDOCUMENTLOCATOR,
@@ -46,8 +44,6 @@ typedef enum _CH {
     CH_SKIPPEDENTITY
 } CH;
 
-DEFINE_GUID(CLSID_SAXXMLReader60, 0x88d96a0c, 0xf192, 0x11d4, 0xa6,0x5f, 0x00,0x40,0x96,0x32,0x51,0xe5);
-
 static const WCHAR szSimpleXML[] = {
 '<','?','x','m','l',' ','v','e','r','s','i','o','n','=','\"','1','.','0','\"',' ','?','>','\n',
 '<','B','a','n','k','A','c','c','o','u','n','t','>','\n',
diff --git a/include/msxml2.idl b/include/msxml2.idl
index 0235e188170..6c37e3d1f1f 100644
--- a/include/msxml2.idl
+++ b/include/msxml2.idl
@@ -1323,6 +1323,15 @@ coclass DOMDocument40
     [default, source] dispinterface XMLDOMDocumentEvents;
 }
 
+[
+    uuid(88d96a05-f192-11d4-a65f-0040963251e5)
+]
+coclass DOMDocument60
+{
+    [default] interface IXMLDOMDocument3;
+    [default, source] dispinterface XMLDOMDocumentEvents;
+}
+
 [
     uuid(F6D90F12-9C73-11D3-B32E-00C04F990BB4)
 ]
@@ -1359,6 +1368,15 @@ coclass FreeThreadedDOMDocument40
     [default, source] dispinterface XMLDOMDocumentEvents;
 }
 
+[
+    uuid(88d96a06-f192-11d4-a65f-0040963251e5),
+]
+coclass FreeThreadedDOMDocument60
+{
+    [default] interface IXMLDOMDocument3;
+    [default, source] dispinterface XMLDOMDocumentEvents;
+}
+
 [
     uuid(f5078f1e-c551-11d3-89b9-0000f81fe221)
 ]
@@ -1421,7 +1439,15 @@ coclass XMLSchemaCache30
 coclass XMLSchemaCache40
 {
     [default] interface IXMLDOMSchemaCollection2;
-};
+}
+
+[
+    uuid(88d96a07-f192-11d4-a65f-0040963251e5)
+]
+coclass XMLSchemaCache60
+{
+    [default] interface IXMLDOMSchemaCollection2;
+}
 
 [
     uuid(2933BF94-7B36-11d2-B20E-00C04F983E60)
@@ -2744,7 +2770,16 @@ coclass SAXXMLReader40
 {
     [default] interface IVBSAXXMLReader;
     interface ISAXXMLReader;
-};
+}
+
+[
+    uuid(88d96a0c-f192-11d4-a65f-0040963251e5)
+]
+coclass SAXXMLReader60
+{
+    [default] interface IVBSAXXMLReader;
+    interface ISAXXMLReader;
+}
 
 [
     uuid(fc220ad8-a72a-4ee8-926e-0b7ad152a020)
@@ -2804,7 +2839,27 @@ coclass MXXMLWriter40
     interface IVBSAXDTDHandler;
     interface IVBSAXErrorHandler;
     interface IVBSAXLexicalHandler;
-};
+}
+
+[
+    uuid(88d96a0f-f192-11d4-a65f-0040963251e5)
+]
+coclass MXXMLWriter60
+{
+    [default] interface IMXWriter;
+
+    interface ISAXContentHandler;
+    interface ISAXDeclHandler;
+    interface ISAXDTDHandler;
+    interface ISAXErrorHandler;
+    interface ISAXLexicalHandler;
+
+    interface IVBSAXContentHandler;
+    interface IVBSAXDeclHandler;
+    interface IVBSAXDTDHandler;
+    interface IVBSAXErrorHandler;
+    interface IVBSAXLexicalHandler;
+}
 
 [
     uuid(4dd441ad-526d-4a77-9f1b-9841ed802fb0)
@@ -2836,6 +2891,16 @@ coclass SAXAttributes40
     interface ISAXAttributes;
 };
 
+[
+    uuid(88d96a0e-f192-11d4-a65f-0040963251e5)
+]
+coclass SAXAttributes60
+{
+    [default] interface IMXAttributes;
+    interface IVBSAXAttributes;
+    interface ISAXAttributes;
+}
+
 /*
  * Error Codes
  */
diff --git a/include/msxml6.idl b/include/msxml6.idl
index 62d680e5992..5861ee4bdce 100644
--- a/include/msxml6.idl
+++ b/include/msxml6.idl
@@ -19,68 +19,3 @@
 
 #include <msxml6did.h>
 import "msxml2.idl";
-
-[
-    uuid(88d96a05-f192-11d4-a65f-0040963251e5)
-]
-coclass DOMDocument60
-{
-    [default] interface IXMLDOMDocument3;
-    [default, source] dispinterface XMLDOMDocumentEvents;
-}
-
-[
-    uuid(88d96a06-f192-11d4-a65f-0040963251e5),
-]
-coclass FreeThreadedDOMDocument60
-{
-    [default] interface IXMLDOMDocument3;
-    [default, source] dispinterface XMLDOMDocumentEvents;
-}
-
-[
-    uuid(88d96a07-f192-11d4-a65f-0040963251e5)
-]
-coclass XMLSchemaCache60
-{
-    [default] interface IXMLDOMSchemaCollection2;
-}
-
-[
-    uuid(88d96a0f-f192-11d4-a65f-0040963251e5)
-]
-coclass MXXMLWriter60
-{
-    [default] interface IMXWriter;
-
-    interface ISAXContentHandler;
-    interface ISAXDeclHandler;
-    interface ISAXDTDHandler;
-    interface ISAXErrorHandler;
-    interface ISAXLexicalHandler;
-
-    interface IVBSAXContentHandler;
-    interface IVBSAXDeclHandler;
-    interface IVBSAXDTDHandler;
-    interface IVBSAXErrorHandler;
-    interface IVBSAXLexicalHandler;
-}
-
-[
-    uuid(88d96a0c-f192-11d4-a65f-0040963251e5)
-]
-coclass SAXXMLReader60
-{
-    [default] interface IVBSAXXMLReader;
-    interface ISAXXMLReader;
-}
-
-[
-    uuid(88d96a0e-f192-11d4-a65f-0040963251e5)
-]
-coclass SAXAttributes60
-{
-    [default] interface IMXAttributes;
-    interface IVBSAXAttributes;
-    interface ISAXAttributes;
-}