--- bulbcalculator-3.1.0/bulbcalculator.pro  2020-03-23 21:15:54.000000000 +0100
+++ bulbcalculator-3.1.0.new/bulbcalculator.pro      2021-04-05 23:13:52.179862145 +0200
@@ -1,7 +1,6 @@
 TEMPLATE = subdirs
 
 SUBDIRS += \
-    QGLViewer \
     bulbcalculator
 
 CONFIG += ordered