diff --git a/sketches/src/main/java/com/yahoo/sketches/sampling/VarOptItemsSamples.java b/sketches/src/main/java/com/yahoo/sketches/sampling/VarOptItemsSamples.java
index 9484755d5..82078cbaf 100644
--- a/sketches/src/main/java/com/yahoo/sketches/sampling/VarOptItemsSamples.java
+++ b/sketches/src/main/java/com/yahoo/sketches/sampling/VarOptItemsSamples.java
@@ -29,7 +29,7 @@
  *
  * @author Jon Malkin
  */
-public class VarOptItemsSamples<T> implements Iterable<VarOptItemsSamples<T>.WeightedSample> {
+class VarOptItemsSamples<T> implements Iterable<VarOptItemsSamples<T>.WeightedSample> {
 
   private final VarOptItemsSketch<T> sketch_;
   private VarOptItemsSketch<T>.Result sampleLists;
diff --git a/sketches/src/main/java/com/yahoo/sketches/sampling/VarOptItemsSketch.java b/sketches/src/main/java/com/yahoo/sketches/sampling/VarOptItemsSketch.java
index 5026f25fa..c30e15822 100644
--- a/sketches/src/main/java/com/yahoo/sketches/sampling/VarOptItemsSketch.java
+++ b/sketches/src/main/java/com/yahoo/sketches/sampling/VarOptItemsSketch.java
@@ -47,7 +47,7 @@
  * @author Jon Malkin
  * @author Kevin Lang
  */
-public final class VarOptItemsSketch<T> {
+final class VarOptItemsSketch<T> {
   /**
    * The smallest sampling array allocated: 16
    */