diff -r -u kdepim-3.5.10.orig/kmail/kmcomposewin.cpp kdepim-3.5.10/kmail/kmcomposewin.cpp
--- kdepim-3.5.10.orig/kmail/kmcomposewin.cpp	2008-08-19 21:15:47.000000000 +0300
+++ kdepim-3.5.10/kmail/kmcomposewin.cpp	2010-07-28 22:21:15.000000000 +0300
@@ -155,7 +155,7 @@
 
 //-----------------------------------------------------------------------------
 KMComposeWin::KMComposeWin( KMMessage *aMsg, uint id  )
-  : MailComposerIface(), KMail::Composer( "kmail-composer#" ),
+  : /*MailComposerIface(),*/ KMail::Composer( "kmail-composer#" ),
     mSpellCheckInProgress( false ),
     mDone( false ),
     mAtmModified( false ),
diff -r -u kdepim-3.5.10.orig/kmail/kmcomposewin.h kdepim-3.5.10/kmail/kmcomposewin.h
--- kdepim-3.5.10.orig/kmail/kmcomposewin.h	2008-08-19 21:15:47.000000000 +0300
+++ kdepim-3.5.10/kmail/kmcomposewin.h	2010-07-28 22:20:57.000000000 +0300
@@ -95,7 +95,7 @@
 }
 
 //-----------------------------------------------------------------------------
-class KMComposeWin : public KMail::Composer, virtual public MailComposerIface
+class KMComposeWin : public KMail::Composer //, virtual public MailComposerIface
 {
   Q_OBJECT
   friend class ::KMEdit;
@@ -107,8 +107,8 @@
 public:
   static Composer * create( KMMessage * msg = 0, uint identity = 0 );
 
-  MailComposerIface * asMailComposerIFace() { return this; }
-  const MailComposerIface * asMailComposerIFace() const { return this; }
+  MailComposerIface * asMailComposerIFace() { return /*this*/ 0; }
+  const MailComposerIface * asMailComposerIFace() const { return /*this*/ 0; }
 
 public: // mailserviceimpl
   /**