diff --git a/src/corelib/thread/qresultstore.h b/src/corelib/thread/qresultstore.h
index 450495492d..9aaafd32fd 100644
--- a/src/corelib/thread/qresultstore.h
+++ b/src/corelib/thread/qresultstore.h
@@ -41,7 +41,6 @@
 #define QTCORE_RESULTSTORE_H
 
 #include <QtCore/qmap.h>
-#include <QtCore/qdebug.h>
 
 #include <utility>