Remove datastream.write.threads from DatanodeRatisServerConfig.
diff --git a/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/transport/server/ratis/XceiverServerRatis.java b/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/transport/server/ratis/XceiverServerRatis.java
index 9f7b03f..42f4026 100644
--- a/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/transport/server/ratis/XceiverServerRatis.java
+++ b/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/transport/server/ratis/XceiverServerRatis.java
@@ -239,11 +239,6 @@
             .getStreamRequestThreads();
     RaftServerConfigKeys.DataStream.setAsyncRequestThreadPoolSize(properties,
         dataStreamAsyncRequestThreadPoolSize);
-    int dataStreamWriteRequestThreadPoolSize =
-        conf.getObject(DatanodeRatisServerConfig.class)
-            .getStreamWriteThreads();
-    RaftServerConfigKeys.DataStream.setAsyncWriteThreadPoolSize(properties,
-        dataStreamWriteRequestThreadPoolSize);
     int dataStreamClientPoolSize =
         conf.getObject(DatanodeRatisServerConfig.class)
             .getClientPoolSize();
diff --git a/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/conf/DatanodeRatisServerConfig.java b/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/conf/DatanodeRatisServerConfig.java
index 3132928..058932e 100644
--- a/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/conf/DatanodeRatisServerConfig.java
+++ b/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/conf/DatanodeRatisServerConfig.java
@@ -141,23 +141,6 @@
     this.streamRequestThreads = streamRequestThreads;
   }
 
-  @Config(key = "datastream.write.threads",
-      defaultValue = "20",
-      type = ConfigType.INT,
-      tags = {OZONE, DATANODE, RATIS, DATASTREAM},
-      description = "Maximum number of threads in the thread pool for " +
-          "datastream write."
-  )
-  private int streamWriteThreads;
-
-  public int getStreamWriteThreads() {
-    return streamWriteThreads;
-  }
-
-  public void setStreamWriteThreads(int streamWriteThreads) {
-    this.streamWriteThreads = streamWriteThreads;
-  }
-
   @Config(key = "datastream.client.pool.size",
       defaultValue = "10",
       type = ConfigType.INT,