diff --git a/tests/boxplottester/boxplottester.pro b/tests/boxplottester/boxplottester.pro
index 575ae45..2568adc 100644
--- a/tests/boxplottester/boxplottester.pro
+++ b/tests/boxplottester/boxplottester.pro
@@ -5,10 +5,7 @@
 TEMPLATE = app
 
 QT += charts
-QT += core gui
-contains(QT_MAJOR_VERSION, 5) {
-    QT += widgets
-}
+QT += core gui widgets
 
 SOURCES += main.cpp \
     mainwidget.cpp \
diff --git a/tests/chartwidgettest/chartwidgettest.pro b/tests/chartwidgettest/chartwidgettest.pro
index 97845ff..db8416b 100644
--- a/tests/chartwidgettest/chartwidgettest.pro
+++ b/tests/chartwidgettest/chartwidgettest.pro
@@ -4,10 +4,7 @@
 
 TEMPLATE = app
 
-QT += core gui opengl
-contains(QT_MAJOR_VERSION, 5) {
-    QT += widgets
-}
+QT += core gui opengl widgets
 
 SOURCES += main.cpp \
     mainwidget.cpp \
diff --git a/tests/polarcharttest/polarcharttest.pro b/tests/polarcharttest/polarcharttest.pro
index 9646fbd..0c892c8 100644
--- a/tests/polarcharttest/polarcharttest.pro
+++ b/tests/polarcharttest/polarcharttest.pro
@@ -2,9 +2,7 @@
     error( "Couldn't find the test.pri file!" )
 }
 
-QT       += core gui
-
-greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+QT       += core gui widgets
 
 TARGET = polarcharttest
 TEMPLATE = app
diff --git a/tests/presenterchart/presenterchart.pro b/tests/presenterchart/presenterchart.pro
index 88cde7a..bd3367d 100644
--- a/tests/presenterchart/presenterchart.pro
+++ b/tests/presenterchart/presenterchart.pro
@@ -5,4 +5,4 @@ TARGET = presenterchart
 HEADERS += chartview.h
 SOURCES += main.cpp chartview.cpp
 
-greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+QT += widgets