void () { List<SmartPsiElementPointer<?>> smartPointers = new ArrayList<>(); for (Usage usage : myUsageNodes.keySet()) { if (usage instanceof UsageInfo2UsageAdapter) { SmartPsiElementPointer<?> pointer = ((UsageInfo2UsageAdapter)usage).getUsageInfo().getSmartPointer(); smartPointers.add(pointer); } } if (!smartPointers.isEmpty()) { for (SmartPsiElementPointer<?> pointer : smartPointers) { Project project = pointer.getProject(); if (!project.isDisposed()) { SmartPointerManager.getInstance(project).removePointer(pointer); } } } myUsageNodes.clear(); }