utils/src/main/java/org/robolectric/util/Scheduler.java
public synchronized void remove(Runnable runnable) {
    Iterator<ScheduledRunnable> iterator = runnables.iterator();
    while (iterator.hasNext()) {
      if (iterator.next().runnable == runnable) {
        iterator.remove();
      }
    }
  }
public synchronized void remove(Runnable runnable) {
    Iterator<ScheduledRunnable> iterator = runnables.iterator();
    while (iterator.hasNext()) {
      if (iterator.next().runnable == runnable) {
        iterator.remove();
      }
    }
  }
Remove a runnable from the queue.

@param runnable  Runnable to remove.