diff --git a/infra/database/core/src/main/java/org/apache/shardingsphere/infra/database/core/metadata/data/loader/MetaDataLoader.java b/infra/database/core/src/main/java/org/apache/shardingsphere/infra/database/core/metadata/data/loader/MetaDataLoader.java
index 442e9d6ae99e2..3ef4f71848a98 100644
--- a/infra/database/core/src/main/java/org/apache/shardingsphere/infra/database/core/metadata/data/loader/MetaDataLoader.java
+++ b/infra/database/core/src/main/java/org/apache/shardingsphere/infra/database/core/metadata/data/loader/MetaDataLoader.java
@@ -59,7 +59,6 @@ public final class MetaDataLoader {
      * @throws SQLException SQL exception
      */
     public static Map<String, SchemaMetaData> load(final Collection<MetaDataLoaderMaterial> materials) throws SQLException {
-        long start = System.currentTimeMillis();
         Map<String, SchemaMetaData> result = new LinkedHashMap<>(materials.size(), 1F);
         Collection<Future<Collection<SchemaMetaData>>> futures = new LinkedList<>();
         for (MetaDataLoaderMaterial each : materials) {