diff --git a/doc/qtdesignstudio/examples/Optimal3DScene/qtquickcontrols2.conf b/doc/qtdesignstudio/examples/Optimal3DScene/qtquickcontrols2.conf
index 75b2cb8fffb..7ad5144dc36 100644
--- a/doc/qtdesignstudio/examples/Optimal3DScene/qtquickcontrols2.conf
+++ b/doc/qtdesignstudio/examples/Optimal3DScene/qtquickcontrols2.conf
@@ -1,6 +1,3 @@
 ; This file can be edited to change the style of the application
 ; Read "Qt Quick Controls 2 Configuration File" for details:
-; http://doc.qt.io/qt-5/qtquickcontrols2-configuration.html
-
-[Controls]
-Style=Default
+; https://doc.qt.io/qt/qtquickcontrols2-configuration.html
diff --git a/doc/qtdesignstudio/examples/loginui1/qtquickcontrols2.conf b/doc/qtdesignstudio/examples/loginui1/qtquickcontrols2.conf
index 75b2cb8fffb..7ad5144dc36 100644
--- a/doc/qtdesignstudio/examples/loginui1/qtquickcontrols2.conf
+++ b/doc/qtdesignstudio/examples/loginui1/qtquickcontrols2.conf
@@ -1,6 +1,3 @@
 ; This file can be edited to change the style of the application
 ; Read "Qt Quick Controls 2 Configuration File" for details:
-; http://doc.qt.io/qt-5/qtquickcontrols2-configuration.html
-
-[Controls]
-Style=Default
+; https://doc.qt.io/qt/qtquickcontrols2-configuration.html
diff --git a/doc/qtdesignstudio/examples/loginui2/qtquickcontrols2.conf b/doc/qtdesignstudio/examples/loginui2/qtquickcontrols2.conf
index 75b2cb8fffb..7ad5144dc36 100644
--- a/doc/qtdesignstudio/examples/loginui2/qtquickcontrols2.conf
+++ b/doc/qtdesignstudio/examples/loginui2/qtquickcontrols2.conf
@@ -1,6 +1,3 @@
 ; This file can be edited to change the style of the application
 ; Read "Qt Quick Controls 2 Configuration File" for details:
-; http://doc.qt.io/qt-5/qtquickcontrols2-configuration.html
-
-[Controls]
-Style=Default
+; https://doc.qt.io/qt/qtquickcontrols2-configuration.html
diff --git a/doc/qtdesignstudio/examples/loginui3/qtquickcontrols2.conf b/doc/qtdesignstudio/examples/loginui3/qtquickcontrols2.conf
index 75b2cb8fffb..7ad5144dc36 100644
--- a/doc/qtdesignstudio/examples/loginui3/qtquickcontrols2.conf
+++ b/doc/qtdesignstudio/examples/loginui3/qtquickcontrols2.conf
@@ -1,6 +1,3 @@
 ; This file can be edited to change the style of the application
 ; Read "Qt Quick Controls 2 Configuration File" for details:
-; http://doc.qt.io/qt-5/qtquickcontrols2-configuration.html
-
-[Controls]
-Style=Default
+; https://doc.qt.io/qt/qtquickcontrols2-configuration.html
diff --git a/doc/qtdesignstudio/examples/loginui4/qtquickcontrols2.conf b/doc/qtdesignstudio/examples/loginui4/qtquickcontrols2.conf
index 75b2cb8fffb..7ad5144dc36 100644
--- a/doc/qtdesignstudio/examples/loginui4/qtquickcontrols2.conf
+++ b/doc/qtdesignstudio/examples/loginui4/qtquickcontrols2.conf
@@ -1,6 +1,3 @@
 ; This file can be edited to change the style of the application
 ; Read "Qt Quick Controls 2 Configuration File" for details:
-; http://doc.qt.io/qt-5/qtquickcontrols2-configuration.html
-
-[Controls]
-Style=Default
+; https://doc.qt.io/qt/qtquickcontrols2-configuration.html