diff --git a/kmmsgindex.h b/kmmsgindex.h
index 0788987aa..f67a5859b 100644
--- a/kmmsgindex.h
+++ b/kmmsgindex.h
@@ -12,7 +12,6 @@
 #include <qmap.h>
 #include <qobject.h>
 #include <qstring.h>
-#include <qthread.h>
 #include <qintdict.h>
 #include <qdatetime.h>
 #include <qvaluelist.h>