1 files changed, 5 insertions, 1 deletions
diff --git a/core/src/main/java/org/elasticsearch/common/cache/Cache.java b/core/src/main/java/org/elasticsearch/common/cache/Cache.java
index a6c3bc81af..a5b071c848 100644
--- a/core/src/main/java/org/elasticsearch/common/cache/Cache.java
+++ b/core/src/main/java/org/elasticsearch/common/cache/Cache.java
@@ -22,7 +22,11 @@ package org.elasticsearch.common.cache;
 import org.elasticsearch.common.collect.Tuple;
 import org.elasticsearch.common.util.concurrent.ReleasableLock;
 
-import java.util.*;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Objects;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.atomic.LongAdder;