diff --git a/run.sh b/run.sh
index bbbb9e3..56c8468 100644
--- a/run.sh
+++ b/run.sh
@@ -1,9 +1,3 @@
 #!/bin/bash
 
-datadir=`echo $HDFS_CONF_dfs_datanode_data_dir | perl -pe 's#file://##'`
-if [ ! -d $datadir ]; then
-  echo "Datanode data directory not found: $datadir"
-  exit 2
-fi
-
-$HADOOP_HOME/bin/hdfs --config $HADOOP_CONF_DIR datanode
+$HADOOP_HOME/bin/yarn --config $HADOOP_CONF_DIR historyserver