1 files changed, 1 insertions, 4 deletions
diff --git a/src/mongo/db/exec/plan_stage.h b/src/mongo/db/exec/plan_stage.h
index c0afd992e72..3ad007c8430 100644
--- a/src/mongo/db/exec/plan_stage.h
+++ b/src/mongo/db/exec/plan_stage.h
@@ -37,10 +37,9 @@
 
 namespace mongo {
 
-class ClockSource;
 class Collection;
-class OperationContext;
 class RecordId;
+class OperationContext;
 
 /**
  * A PlanStage ("stage") is the basic building block of a "Query Execution Plan."  A stage is
@@ -358,8 +357,6 @@ protected:
      */
     virtual void doInvalidate(OperationContext* txn, const RecordId& dl, InvalidationType type) {}
 
-    ClockSource* getClock() const;
-
     OperationContext* getOpCtx() const {
         return _opCtx;
     }