diff --git a/tracetypes/org.eclipse.tracecompass.incubator.tracecompass.core/xml_analyses/GroupedTasks.xml b/tracetypes/org.eclipse.tracecompass.incubator.tracecompass.core/xml_analyses/GroupedTasks.xml
index c5b3877f4..79853996a 100644
--- a/tracetypes/org.eclipse.tracecompass.incubator.tracecompass.core/xml_analyses/GroupedTasks.xml
+++ b/tracetypes/org.eclipse.tracecompass.incubator.tracecompass.core/xml_analyses/GroupedTasks.xml
@@ -98,7 +98,7 @@
 				<stateChange>
 					<stateAttribute type="constant" value="#CurrentScenario" />
 					<stateAttribute type="constant" value="component" />
-					<stateValue type="script" value="cat == null ? 'UNKNOWN' : cat" scriptEngine="nashorn" >
+					<stateValue type="script" value="cat == null ? 'UNKNOWN' : cat" >
 						<stateValue id="cat" type="eventField" value="cat" />
 					</stateValue>
 				</stateChange>
diff --git a/tracetypes/org.eclipse.tracecompass.incubator.traceevent.core/xml_analysis/GroupedTasksTraceEvent.xml b/tracetypes/org.eclipse.tracecompass.incubator.traceevent.core/xml_analysis/GroupedTasksTraceEvent.xml
index 3a53882dc..5233f0da2 100644
--- a/tracetypes/org.eclipse.tracecompass.incubator.traceevent.core/xml_analysis/GroupedTasksTraceEvent.xml
+++ b/tracetypes/org.eclipse.tracecompass.incubator.traceevent.core/xml_analysis/GroupedTasksTraceEvent.xml
@@ -96,7 +96,7 @@
 			<stateChange>
 				<stateAttribute type="constant" value="#CurrentScenario" />
 				<stateAttribute type="constant" value="component" />
-				<stateValue type="script" value="cat == null ? 'UNKNOWN' : cat" scriptEngine="nashorn" >
+				<stateValue type="script" value="cat == null ? 'UNKNOWN' : cat" >
 					<stateValue id="cat" type="eventField" value="cat" />
 				</stateValue>
 			</stateChange>