diff --git a/presto-hive-metastore/src/main/java/com/facebook/presto/hive/metastore/thrift/ThriftHiveMetastore.java b/presto-hive-metastore/src/main/java/com/facebook/presto/hive/metastore/thrift/ThriftHiveMetastore.java
index db795ed0fd6b2..c6c4dd604e47f 100644
--- a/presto-hive-metastore/src/main/java/com/facebook/presto/hive/metastore/thrift/ThriftHiveMetastore.java
+++ b/presto-hive-metastore/src/main/java/com/facebook/presto/hive/metastore/thrift/ThriftHiveMetastore.java
@@ -581,7 +581,7 @@ private Map<String, HiveColumnStatistics> groupStatisticsByColumn(List<ColumnSta
     }
 
     @Override
-    public synchronized void updateTableStatistics(MetastoreContext metastoreContext, String databaseName, String tableName, Function<PartitionStatistics, PartitionStatistics> update)
+    public void updateTableStatistics(MetastoreContext metastoreContext, String databaseName, String tableName, Function<PartitionStatistics, PartitionStatistics> update)
     {
         PartitionStatistics currentStatistics = getTableStatistics(metastoreContext, databaseName, tableName);
         PartitionStatistics updatedStatistics = update.apply(currentStatistics);
@@ -652,7 +652,7 @@ private void deleteTableColumnStatistics(MetastoreContext metastoreContext, Stri
     }
 
     @Override
-    public synchronized void updatePartitionStatistics(MetastoreContext metastoreContext, String databaseName, String tableName, String partitionName, Function<PartitionStatistics, PartitionStatistics> update)
+    public void updatePartitionStatistics(MetastoreContext metastoreContext, String databaseName, String tableName, String partitionName, Function<PartitionStatistics, PartitionStatistics> update)
     {
         PartitionStatistics currentStatistics = requireNonNull(
                 getPartitionStatistics(metastoreContext, databaseName, tableName, ImmutableSet.of(partitionName)).get(partitionName), "getPartitionStatistics() returned null");