diff -urN kmail-4.7.4.orig/messagecomposer/akonadisender.cpp kmail-4.7.4/messagecomposer/akonadisender.cpp
--- kmail-4.7.4.orig/messagecomposer/akonadisender.cpp	2011-12-02 00:25:40.000000000 +0100
+++ kmail-4.7.4/messagecomposer/akonadisender.cpp	2011-12-30 23:10:05.151509937 +0100
@@ -38,7 +38,6 @@
 #include <messagecore/stringutil.h>
 #include <messagecore/messagehelpers.h>
 
-using namespace KMime;
 using namespace KMime::Types;
 using namespace KPIM;
 using namespace MailTransport;