3 files changed, 8 insertions, 7 deletions
diff --git a/src/mongo/db/s/balancer/balancer.cpp b/src/mongo/db/s/balancer/balancer.cpp
index 43f924132aa..b8e0a57f5b8 100644
--- a/src/mongo/db/s/balancer/balancer.cpp
+++ b/src/mongo/db/s/balancer/balancer.cpp
@@ -34,6 +34,7 @@
 #include "mongo/db/s/balancer/balancer.h"
 
 #include <algorithm>
+#include <memory>
 #include <string>
 
 #include "mongo/base/status_with.h"
@@ -51,7 +52,6 @@
 #include "mongo/s/client/shard_registry.h"
 #include "mongo/s/grid.h"
 #include "mongo/s/shard_util.h"
-#include "mongo/stdx/memory.h"
 #include "mongo/util/concurrency/idle_thread_block.h"
 #include "mongo/util/exit.h"
 #include "mongo/util/log.h"
@@ -154,9 +154,9 @@ void warnOnMultiVersion(const vector<ClusterStatistics::ShardStatistics>& cluste
 Balancer::Balancer(ServiceContext* serviceContext)
     : _balancedLastTime(0),
       _random(std::random_device{}()),
-      _clusterStats(stdx::make_unique<ClusterStatisticsImpl>(_random)),
+      _clusterStats(std::make_unique<ClusterStatisticsImpl>(_random)),
       _chunkSelectionPolicy(
-          stdx::make_unique<BalancerChunkSelectionPolicyImpl>(_clusterStats.get(), _random)),
+          std::make_unique<BalancerChunkSelectionPolicyImpl>(_clusterStats.get(), _random)),
       _migrationManager(serviceContext) {}
 
 Balancer::~Balancer() {
@@ -167,7 +167,7 @@ Balancer::~Balancer() {
 
 void Balancer::create(ServiceContext* serviceContext) {
     invariant(!getBalancer(serviceContext));
-    getBalancer(serviceContext) = stdx::make_unique<Balancer>(serviceContext);
+    getBalancer(serviceContext) = std::make_unique<Balancer>(serviceContext);
 }
 
 Balancer* Balancer::get(ServiceContext* serviceContext) {
diff --git a/src/mongo/db/s/balancer/balancer_chunk_selection_policy_impl.cpp b/src/mongo/db/s/balancer/balancer_chunk_selection_policy_impl.cpp
index 3162ca40daf..e6d358e982b 100644
--- a/src/mongo/db/s/balancer/balancer_chunk_selection_policy_impl.cpp
+++ b/src/mongo/db/s/balancer/balancer_chunk_selection_policy_impl.cpp
@@ -34,6 +34,7 @@
 #include "mongo/db/s/balancer/balancer_chunk_selection_policy_impl.h"
 
 #include <algorithm>
+#include <memory>
 #include <vector>
 
 #include "mongo/base/status_with.h"
@@ -43,7 +44,6 @@
 #include "mongo/s/catalog/type_tags.h"
 #include "mongo/s/catalog_cache.h"
 #include "mongo/s/grid.h"
-#include "mongo/stdx/memory.h"
 #include "mongo/util/log.h"
 #include "mongo/util/str.h"
 
diff --git a/src/mongo/db/s/balancer/migration_manager_test.cpp b/src/mongo/db/s/balancer/migration_manager_test.cpp
index ec2bdc8b12d..3e25160c065 100644
--- a/src/mongo/db/s/balancer/migration_manager_test.cpp
+++ b/src/mongo/db/s/balancer/migration_manager_test.cpp
@@ -29,6 +29,8 @@
 
 #include "mongo/platform/basic.h"
 
+#include <memory>
+
 #include "mongo/client/remote_command_targeter_mock.h"
 #include "mongo/db/commands.h"
 #include "mongo/db/s/balancer/migration_manager.h"
@@ -42,7 +44,6 @@
 #include "mongo/s/config_server_test_fixture.h"
 #include "mongo/s/database_version_helpers.h"
 #include "mongo/s/request_types/move_chunk_request.h"
-#include "mongo/stdx/memory.h"
 #include "mongo/util/scopeguard.h"
 
 namespace mongo {
@@ -160,7 +161,7 @@ private:
 
 void MigrationManagerTest::setUp() {
     ConfigServerTestFixture::setUp();
-    _migrationManager = stdx::make_unique<MigrationManager>(getServiceContext());
+    _migrationManager = std::make_unique<MigrationManager>(getServiceContext());
     _migrationManager->startRecoveryAndAcquireDistLocks(operationContext());
     _migrationManager->finishRecovery(operationContext(), 0, kDefaultSecondaryThrottle);
 }