--- a/test/jdk/java/util/Map/LockStep.java	Tue Jan 16 18:24:32 2018 -0800
+++ b/test/jdk/java/util/Map/LockStep.java	Tue Jan 16 18:28:39 2018 -0800
@@ -28,8 +28,20 @@
  * @key randomness
  */
 
-import java.util.*;
-import java.util.concurrent.*;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Hashtable;
+import java.util.IdentityHashMap;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+import java.util.TreeMap;
+import java.util.WeakHashMap;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentSkipListMap;
 
 /**
  * Based on the strange scenario required to reproduce