diff --git a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/dialogs/TimeGraphLegend.java b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/dialogs/TimeGraphLegend.java
index f62e4d4..4c6dd69 100644
--- a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/dialogs/TimeGraphLegend.java
+++ b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/dialogs/TimeGraphLegend.java
@@ -133,9 +133,7 @@
         // Set the minimum size to avoid 0-sized legends from user resize
         parent.getShell().setMinimumSize(150, 150);
 
-        composite.addDisposeListener((e) -> {
-            fResourceManager.dispose();
-        });
+        composite.addDisposeListener(e -> fResourceManager.dispose());
         return composite;
     }