diff --git a/applets/taskmanager/package/contents/ui/ToolTipDelegate.qml b/applets/taskmanager/package/contents/ui/ToolTipDelegate.qml
--- a/applets/taskmanager/package/contents/ui/ToolTipDelegate.qml
+++ b/applets/taskmanager/package/contents/ui/ToolTipDelegate.qml
@@ -77,29 +77,23 @@
         });
     }
 
-    Item {
+    Grid {
         id: contentItem
-        width: childrenRect.width
-        height: childrenRect.height
+        rows: !isVerticalPanel
+        columns: isVerticalPanel
+        flow: isVerticalPanel ? Grid.TopToBottom : Grid.LeftToRight
+        spacing: units.largeSpacing
 
         ToolTipInstance {
             visible: !isGroup
         }
 
-        Grid {
-            rows: !isVerticalPanel
-            columns: isVerticalPanel
-            flow: isVerticalPanel ? Grid.TopToBottom : Grid.LeftToRight
-            spacing: units.largeSpacing
-
-            visible: isGroup
-
-            Repeater {
-                id: groupRepeater
-                model: DelegateModel {
-                    model: tasksModel
-                    rootIndex: tasksModel.makeModelIndex(parentIndex, -1)
-                    delegate: ToolTipInstance {}
+        Repeater {
+            model: DelegateModel {
+                model: tasksModel
+                rootIndex: tasksModel.makeModelIndex(parentIndex, -1)
+                delegate: ToolTipInstance {
+                    visible: isGroup
                 }
             }
         }