1 files changed, 11 insertions, 11 deletions

diff --git a/src/mongo/db/exec/count_scan.h b/src/mongo/db/exec/count_scan.h
index dbbd85c5715..f7f65700134 100644
--- a/src/mongo/db/exec/count_scan.h
+++ b/src/mongo/db/exec/count_scan.h
@@ -64,25 +64,25 @@ struct CountScanParams {
  * Only created through the getExecutorCount path, as count is the only operation that doesn't
  * care about its data.
  */
-class CountScan : public PlanStage {
+class CountScan final : public PlanStage {
 public:
     CountScan(OperationContext* txn, const CountScanParams& params, WorkingSet* workingSet);
 
-    virtual StageState work(WorkingSetID* out);
-    virtual bool isEOF();
-    virtual void doSaveState();
-    virtual void doRestoreState();
-    virtual void doDetachFromOperationContext();
-    virtual void doReattachToOperationContext(OperationContext* opCtx);
-    virtual void doInvalidate(OperationContext* txn, const RecordId& dl, InvalidationType type);
+    StageState work(WorkingSetID* out) final;
+    bool isEOF() final;
+    void doSaveState() final;
+    void doRestoreState() final;
+    void doDetachFromOperationContext() final;
+    void doReattachToOperationContext(OperationContext* opCtx) final;
+    void doInvalidate(OperationContext* txn, const RecordId& dl, InvalidationType type) final;
 
-    virtual StageType stageType() const {
+    StageType stageType() const final {
         return STAGE_COUNT_SCAN;
     }
 
-    virtual std::unique_ptr<PlanStageStats> getStats();
+    std::unique_ptr<PlanStageStats> getStats() final;
 
-    virtual const SpecificStats* getSpecificStats() const;
+    const SpecificStats* getSpecificStats() const final;
 
     static const char* kStageType;