diff --git a/core/common/src/main/java/alluxio/Configuration.java b/core/common/src/main/java/alluxio/Configuration.java
index <HASH>..<HASH> 100644
--- a/core/common/src/main/java/alluxio/Configuration.java
+++ b/core/common/src/main/java/alluxio/Configuration.java
@@ -23,7 +23,6 @@ import com.google.common.base.Splitter;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.sun.management.OperatingSystemMXBean;
-import io.netty.util.internal.chmv8.ConcurrentHashMapV8;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -35,6 +34,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -69,7 +69,7 @@ public final class Configuration {
   /** Regex to find ${key} for variable substitution. */
   private static final Pattern CONF_REGEX = Pattern.compile(REGEX_STRING);
   /** Map of properties. */
-  private static final ConcurrentHashMapV8<String, String> PROPERTIES = new ConcurrentHashMapV8<>();
+  private static final ConcurrentHashMap<String, String> PROPERTIES = new ConcurrentHashMap<>();
 
   static {
     init();
Use ConcurrentHashMap in Configuration.