1 files changed, 0 insertions, 9 deletions
diff --git a/src/mongo/bson/bsonelement.h b/src/mongo/bson/bsonelement.h
index 830e857deab..9e9ee9e60da 100644
--- a/src/mongo/bson/bsonelement.h
+++ b/src/mongo/bson/bsonelement.h
@@ -542,15 +542,6 @@ public:
         return DeferredComparison(DeferredComparison::Type::kNE, *this, other);
     }
 
-    /**
-     * Functor compatible with std::hash for std::unordered_{map,set}
-     * Warning: The hash function is subject to change. Do not use in cases where hashes need
-     *          to be consistent across versions.
-     */
-    struct Hasher {
-        size_t operator()(const BSONElement& elem) const;
-    };
-
     const char* rawdata() const {
         return data;
     }