1 files changed, 2 insertions, 16 deletions

diff --git a/src/mongo/db/namespace_string.cpp b/src/mongo/db/namespace_string.cpp
index 374fe4e5795..13729330ee1 100644
--- a/src/mongo/db/namespace_string.cpp
+++ b/src/mongo/db/namespace_string.cpp
@@ -35,7 +35,6 @@
 
 #include "mongo/base/parse_number.h"
 #include "mongo/base/status.h"
-#include "mongo/db/query/query_shape/serialization_options.h"
 #include "mongo/db/server_options.h"
 #include "mongo/util/str.h"
 
@@ -50,7 +49,6 @@ constexpr auto fle2Prefix = "enxcol_."_sd;
 constexpr auto fle2EscSuffix = ".esc"_sd;
 constexpr auto fle2EccSuffix = ".ecc"_sd;
 constexpr auto fle2EcocSuffix = ".ecoc"_sd;
-constexpr auto fle2EcocCompactSuffix = ".ecoc.compact"_sd;
 
 }  // namespace
 
@@ -171,12 +169,6 @@ const NamespaceString NamespaceString::kClusterParametersNamespace(NamespaceStri
 const NamespaceString NamespaceString::kConfigsvrShardsNamespace(NamespaceString::kConfigDb,
                                                                  "shards");
 
-const NamespaceString NamespaceString::kConfigsvrCollectionsNamespace(NamespaceString::kConfigDb,
-                                                                      "collections");
-
-const NamespaceString NamespaceString::kLocalHealthLogNamespace(NamespaceString::kLocalDb,
-                                                                "system.healthlog");
-
 bool NamespaceString::isListCollectionsCursorNS() const {
     return coll() == listCollectionsCursorCol;
 }
@@ -196,8 +188,6 @@ bool NamespaceString::isLegalClientSystemNS(
             return true;
         if (coll() == "system.backup_users")
             return true;
-        if (coll() == "system.new_users")
-            return true;
     } else if (db() == kConfigDb) {
         if (coll() == "system.sessions")
             return true;
@@ -212,7 +202,7 @@ bool NamespaceString::isLegalClientSystemNS(
     } else if (db() == kLocalDb) {
         if (coll() == kSystemReplSetNamespace.coll())
             return true;
-        if (coll() == kLocalHealthLogNamespace.coll())
+        if (coll() == "system.healthlog")
             return true;
         if (coll() == kConfigsvrRestoreNamespace.coll())
             return true;
@@ -279,10 +269,6 @@ std::string NamespaceString::getSisterNS(StringData local) const {
     return db().toString() + "." + local.toString();
 }
 
-std::string NamespaceString::toString(const SerializationOptions& opts) const {
-    return opts.serializeIdentifier(ns());
-}
-
 void NamespaceString::serializeCollectionName(BSONObjBuilder* builder, StringData fieldName) const {
     if (isCollectionlessAggregateNS()) {
         builder->append(fieldName, 1);
@@ -407,7 +393,7 @@ bool NamespaceString::isConfigTransactionsCollection() const {
 bool NamespaceString::isFLE2StateCollection() const {
     return coll().startsWith(fle2Prefix) &&
         (coll().endsWith(fle2EscSuffix) || coll().endsWith(fle2EccSuffix) ||
-         coll().endsWith(fle2EcocSuffix) || coll().endsWith(fle2EcocCompactSuffix));
+         coll().endsWith(fle2EcocSuffix));
 }
 
 NamespaceString NamespaceString::makeTimeseriesBucketsNamespace() const {