public static void unregister() {
    synchronized (monitor) {
      checkState(handler != null, "Zipkin exporter is not registered.");
      unregister(Tracing.getExportComponent().getSpanExporter());
      handler = null;
    }
  }
public static void unregister ( ) { synchronized ( monitor ) { checkState ( handler != null , "Zipkin exporter is not registered." ) ; unregister ( Tracing . getExportComponent ( ) . getSpanExporter ( ) ) ; handler = null ; } }
Unregisters the Zipkin Trace exporter from the OpenCensus library.

@throws IllegalStateException if a Zipkin exporter is not registered.
@since 0.12