diff --git a/indexing-hadoop/src/main/java/io/druid/indexer/rollup/DataRollupSpec.java b/indexing-hadoop/src/main/java/io/druid/indexer/rollup/DataRollupSpec.java
index 86d04f9276f..e06932d0311 100644
--- a/indexing-hadoop/src/main/java/io/druid/indexer/rollup/DataRollupSpec.java
+++ b/indexing-hadoop/src/main/java/io/druid/indexer/rollup/DataRollupSpec.java
@@ -38,9 +38,6 @@ public class DataRollupSpec
   @JsonProperty
   public QueryGranularity rollupGranularity = QueryGranularity.NONE;
 
-  @JsonProperty
-  public int rowFlushBoundary = 500000;
-
   public DataRollupSpec() {}
 
   public DataRollupSpec(List<AggregatorFactory> aggs, QueryGranularity rollupGranularity)
diff --git a/indexing-service/src/main/java/io/druid/indexing/common/config/TaskConfig.java b/indexing-service/src/main/java/io/druid/indexing/common/config/TaskConfig.java
index 1671fb84bd3..6d60d002484 100644
--- a/indexing-service/src/main/java/io/druid/indexing/common/config/TaskConfig.java
+++ b/indexing-service/src/main/java/io/druid/indexing/common/config/TaskConfig.java
@@ -41,9 +41,6 @@ public class TaskConfig
   @JsonProperty
   private final String hadoopWorkingPath;
 
-  @JsonProperty
-  private final int defaultRowFlushBoundary;
-
   @JsonProperty
   private final List<String> defaultHadoopCoordinates;
 
@@ -59,7 +56,6 @@ public class TaskConfig
     this.baseDir = baseDir == null ? "/tmp" : baseDir;
     this.baseTaskDir = new File(defaultDir(baseTaskDir, "persistent/task"));
     this.hadoopWorkingPath = defaultDir(hadoopWorkingPath, "druid-indexing");
-    this.defaultRowFlushBoundary = defaultRowFlushBoundary == null ? 500000 : defaultRowFlushBoundary;
     this.defaultHadoopCoordinates = defaultHadoopCoordinates == null
                                     ? DEFAULT_DEFAULT_HADOOP_COORDINATES
                                     : defaultHadoopCoordinates;
@@ -83,12 +79,6 @@ public class TaskConfig
     return hadoopWorkingPath;
   }
 
-  @JsonProperty
-  public int getDefaultRowFlushBoundary()
-  {
-    return defaultRowFlushBoundary;
-  }
-
   @JsonProperty
   public List<String> getDefaultHadoopCoordinates()
   {