diff --git a/1.5/plugins/org.eclipse.epf.diagram.core/src/org/eclipse/epf/diagram/core/bridge/ActivityDiagramAdapter.java b/1.5/plugins/org.eclipse.epf.diagram.core/src/org/eclipse/epf/diagram/core/bridge/ActivityDiagramAdapter.java
index 6e29f78..222a1a8 100644
--- a/1.5/plugins/org.eclipse.epf.diagram.core/src/org/eclipse/epf/diagram/core/bridge/ActivityDiagramAdapter.java
+++ b/1.5/plugins/org.eclipse.epf.diagram.core/src/org/eclipse/epf/diagram/core/bridge/ActivityDiagramAdapter.java
@@ -521,7 +521,7 @@
 	protected void updateView(Collection<?> selectedNodes)
 			throws InterruptedException, RollbackException {
 		super.updateView(selectedNodes);
-		hideUnusedSyncBars();
+		//hideUnusedSyncBars();
 	}
 	
 	protected void hideUnusedSyncBars() {