1 files changed, 1 insertions, 7 deletions
diff --git a/src/mongo/db/query/classic_plan_cache.cpp b/src/mongo/db/query/classic_plan_cache.cpp
index 3acad6c9510..6a373a0c76d 100644
--- a/src/mongo/db/query/classic_plan_cache.cpp
+++ b/src/mongo/db/query/classic_plan_cache.cpp
@@ -37,17 +37,11 @@ ServerStatusMetricField<Counter64> totalPlanCacheSizeEstimateBytesMetric(
     "query.planCacheTotalSizeEstimateBytes", &PlanCacheEntry::planCacheTotalSizeEstimateBytes);
 }  // namespace
 
-
 std::ostream& operator<<(std::ostream& stream, const PlanCacheKey& key) {
-    stream << key.stringData();
+    stream << key.toString();
     return stream;
 }
 
-StringBuilder& operator<<(StringBuilder& builder, const PlanCacheKey& key) {
-    builder << key.stringData();
-    return builder;
-}
-
 void PlanCacheIndexTree::setIndexEntry(const IndexEntry& ie) {
     entry = std::make_unique<IndexEntry>(ie);
 }