diff --git a/resources/qml/ActionButton.qml b/resources/qml/ActionButton.qml
index 6dd5839bb9..b9a04f3b46 100644
--- a/resources/qml/ActionButton.qml
+++ b/resources/qml/ActionButton.qml
@@ -3,7 +3,6 @@
 
 import QtQuick 2.7
 import QtQuick.Controls 2.1
-import QtQuick.Layouts 1.3
 
 import QtGraphicalEffects 1.0 // For the dropshadow
 
diff --git a/resources/qml/PrimaryButton.qml b/resources/qml/PrimaryButton.qml
index 8450e524e2..fca63d2cdb 100644
--- a/resources/qml/PrimaryButton.qml
+++ b/resources/qml/PrimaryButton.qml
@@ -1,5 +1,7 @@
+// Copyright (c) 2018 Ultimaker B.V.
+// Cura is released under the terms of the LGPLv3 or higher.
+
 import QtQuick 2.2
-import QtQuick.Controls 1.1
 
 import UM 1.4 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/SecondaryButton.qml b/resources/qml/SecondaryButton.qml
index 0e6b79b3a7..f03d8acdfa 100644
--- a/resources/qml/SecondaryButton.qml
+++ b/resources/qml/SecondaryButton.qml
@@ -1,5 +1,7 @@
+// Copyright (c) 2018 Ultimaker B.V.
+// Cura is released under the terms of the LGPLv3 or higher.
+
 import QtQuick 2.2
-import QtQuick.Controls 1.1
 
 import UM 1.4 as UM
 import Cura 1.1 as Cura