diff --git a/share/qtcreator/qml/qmlpuppet/mockfiles/qt5/HelperGrid.qml b/share/qtcreator/qml/qmlpuppet/mockfiles/qt5/HelperGrid.qml
index dbd7f38523c..e450a5a796c 100644
--- a/share/qtcreator/qml/qmlpuppet/mockfiles/qt5/HelperGrid.qml
+++ b/share/qtcreator/qml/qmlpuppet/mockfiles/qt5/HelperGrid.qml
@@ -39,6 +39,8 @@ Node {
     // Note: Only one instance of HelperGrid is supported, as the geometry names are fixed
 
     Model { // Main grid lines
+        castsShadows: false
+        receivesShadows: false
         geometry: GridGeometry {
             id: gridGeometry
             name: "3D Edit View Helper Grid"
@@ -55,6 +57,8 @@ Node {
     }
 
     Model { // Subdivision lines
+        castsShadows: false
+        receivesShadows: false
         geometry: GridGeometry {
             lines: gridGeometry.lines
             step: gridGeometry.step
@@ -73,6 +77,8 @@ Node {
     }
 
     Model { // Z Axis
+        castsShadows: false
+        receivesShadows: false
         geometry: GridGeometry {
             lines: gridGeometry.lines
             step: gridGeometry.step
@@ -89,6 +95,8 @@ Node {
         ]
     }
     Model { // X Axis
+        castsShadows: false
+        receivesShadows: false
         eulerRotation.z: 90
         geometry: GridGeometry {
             lines: gridGeometry.lines
diff --git a/share/qtcreator/qml/qmlpuppet/mockfiles/qt5/SelectionBox.qml b/share/qtcreator/qml/qmlpuppet/mockfiles/qt5/SelectionBox.qml
index 201d1a63775..5ab4a599c44 100644
--- a/share/qtcreator/qml/qmlpuppet/mockfiles/qt5/SelectionBox.qml
+++ b/share/qtcreator/qml/qmlpuppet/mockfiles/qt5/SelectionBox.qml
@@ -54,6 +54,9 @@ Node {
 
         visible: selectionBox.targetNode && !selectionBoxGeometry.isEmpty
 
+        castsShadows: false
+        receivesShadows: false
+
         materials: [
             DefaultMaterial {
                 diffuseColor: "#fff600"
diff --git a/share/qtcreator/qml/qmlpuppet/mockfiles/qt6/HelperGrid.qml b/share/qtcreator/qml/qmlpuppet/mockfiles/qt6/HelperGrid.qml
index 10c7afd65b8..66f383518eb 100644
--- a/share/qtcreator/qml/qmlpuppet/mockfiles/qt6/HelperGrid.qml
+++ b/share/qtcreator/qml/qmlpuppet/mockfiles/qt6/HelperGrid.qml
@@ -40,6 +40,8 @@ Node {
 
     Model { // Main grid lines
         readonly property bool _edit3dLocked: true // Make this non-pickable
+        castsShadows: false
+        receivesShadows: false
         geometry: GridGeometry {
             id: gridGeometry
             name: "3D Edit View Helper Grid"
@@ -57,6 +59,8 @@ Node {
 
     Model { // Subdivision lines
         readonly property bool _edit3dLocked: true // Make this non-pickable
+        castsShadows: false
+        receivesShadows: false
         geometry: GridGeometry {
             lines: gridGeometry.lines
             step: gridGeometry.step
@@ -76,6 +80,8 @@ Node {
 
     Model { // Z Axis
         readonly property bool _edit3dLocked: true // Make this non-pickable
+        castsShadows: false
+        receivesShadows: false
         geometry: GridGeometry {
             lines: gridGeometry.lines
             step: gridGeometry.step
@@ -93,6 +99,8 @@ Node {
     }
     Model { // X Axis
         readonly property bool _edit3dLocked: true // Make this non-pickable
+        castsShadows: false
+        receivesShadows: false
         eulerRotation.z: 90
         geometry: GridGeometry {
             lines: gridGeometry.lines
diff --git a/share/qtcreator/qml/qmlpuppet/mockfiles/qt6/SelectionBox.qml b/share/qtcreator/qml/qmlpuppet/mockfiles/qt6/SelectionBox.qml
index dd3300fd941..76fc14e3213 100644
--- a/share/qtcreator/qml/qmlpuppet/mockfiles/qt6/SelectionBox.qml
+++ b/share/qtcreator/qml/qmlpuppet/mockfiles/qt6/SelectionBox.qml
@@ -55,6 +55,9 @@ Node {
 
         visible: selectionBox.targetNode && !selectionBoxGeometry.isEmpty
 
+        castsShadows: false
+        receivesShadows: false
+
         materials: [
             DefaultMaterial {
                 diffuseColor: "#fff600"