Index: branches/5.0.x/core/admin_templates/js/catalog.js
===================================================================
diff -u -r12117 -r12230
--- branches/5.0.x/core/admin_templates/js/catalog.js	(.../catalog.js)	(revision 12117)
+++ branches/5.0.x/core/admin_templates/js/catalog.js	(.../catalog.js)	(revision 12230)
@@ -30,6 +30,12 @@
 		// ActivePrefix not set or has non-existing prefix value
 		this.ActivePrefix = this.TabRegistry[0]['prefix'];
 	}
+
+	if (this.TabRegistry.length == 1) {
+		// only one tab -> hide all tab bar
+		$('div.tab-viewport').parents('table:first').hide();
+	}
+
 	this.SetAlternativeTabs();
 	this.AfterInit();
 }