1 files changed, 0 insertions, 4 deletions
diff --git a/src/mongo/db/pipeline/abt/agg_expression_visitor.cpp b/src/mongo/db/pipeline/abt/agg_expression_visitor.cpp
index 70e44feef97..55b44e4d37b 100644
--- a/src/mongo/db/pipeline/abt/agg_expression_visitor.cpp
+++ b/src/mongo/db/pipeline/abt/agg_expression_visitor.cpp
@@ -735,10 +735,6 @@ public:
         unsupportedExpression("tsIncrement");
     }
 
-    void visit(const ExpressionInternalKeyStringValue* expr) override final {
-        unsupportedExpression(expr->getOpName());
-    }
-
 private:
     /**
      * Shared logic for $and, $or. Converts each child into an EExpression that evaluates to Boolean