--- a/extra/extra.pro	2018-05-22 18:18:21.000000000 +0200
+++ b/extra/extra.pro	2018-06-26 14:15:49.162937000 +0200
@@ -1,7 +1,3 @@
 TEMPLATE = subdirs
 SUBDIRS = \
     qhexedit2
-
-greaterThan(QT_MINOR_VERSION, 6) {
-SUBDIRS += modeltest
-}