1 files changed, 7 insertions, 8 deletions
diff --git a/src/mongo/db/exec/group.h b/src/mongo/db/exec/group.h
index 97fb39d27e7..ce969c9335f 100644
--- a/src/mongo/db/exec/group.h
+++ b/src/mongo/db/exec/group.h
@@ -78,7 +78,7 @@ struct GroupRequest {
  *
  * Only created through the getExecutorGroup path.
  */
-class GroupStage : public PlanStage {
+class GroupStage final : public PlanStage {
     MONGO_DISALLOW_COPYING(GroupStage);
 
 public:
@@ -86,19 +86,18 @@ public:
                const GroupRequest& request,
                WorkingSet* workingSet,
                PlanStage* child);
-    virtual ~GroupStage() {}
 
-    virtual StageState work(WorkingSetID* out);
-    virtual bool isEOF();
-    virtual void doReattachToOperationContext(OperationContext* opCtx);
+    StageState work(WorkingSetID* out) final;
+    bool isEOF() final;
+    void doReattachToOperationContext(OperationContext* opCtx) final;
 
-    virtual StageType stageType() const {
+    StageType stageType() const final {
         return STAGE_GROUP;
     }
 
-    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;