diff --git a/applets/taskmanager/package/contents/ui/ToolTipInstance.qml b/applets/taskmanager/package/contents/ui/ToolTipInstance.qml
--- a/applets/taskmanager/package/contents/ui/ToolTipInstance.qml
+++ b/applets/taskmanager/package/contents/ui/ToolTipInstance.qml
@@ -92,7 +92,6 @@
             PlasmaExtras.Heading {
                 level: 3
                 width: isWin ? textWidth : undefined                                                                                                                                                             
-                height: undefined                                                                                                                                                                                
                 elide: Text.ElideRight                                                                                                                                                                           
                 text: appName                                                                                                                                                                                    
                 opacity: flatIndex == 0                                                                                                                                                                          
@@ -103,7 +102,6 @@
             PlasmaExtras.Heading {
                 level: 5
                 width: isWin ? textWidth : undefined
-                height: undefined
                 elide: Text.ElideRight
                 text: generateTitle()
                 textFormat: Text.PlainText
@@ -113,7 +111,6 @@
             PlasmaExtras.Heading {
                 level: 6
                 width: isWin ? textWidth : undefined
-                height: undefined
                 elide: Text.ElideRight
                 text: isWin ? generateSubText() : ""
                 textFormat: Text.PlainText