diff --git a/problems/flatten-nested-list-iterator.java b/problems/flatten-nested-list-iterator.java
index 67c406a..e3cf218 100644
--- a/problems/flatten-nested-list-iterator.java
+++ b/problems/flatten-nested-list-iterator.java
@@ -2,6 +2,8 @@ import java.util.ArrayDeque;
 import java.util.Iterator;
 import java.util.List;
 
+// This is the interface that allows for creating nested lists.
+// You should not implement it, or speculate about its implementation
 interface NestedInteger {
     // @return true if this NestedInteger holds a single integer, rather than a nested list.
     public boolean isInteger();
@@ -13,23 +15,6 @@ interface NestedInteger {
     public List<NestedInteger> getList();
 }
 
-/**
- * // This is the interface that allows for creating nested lists.
- * // You should not implement it, or speculate about its implementation
- * public interface NestedInteger {
- *
- *     // @return true if this NestedInteger holds a single integer, rather than a nested list.
- *     public boolean isInteger();
- *
- *     // @return the single integer that this NestedInteger holds, if it holds a single integer
- *     // Return null if this NestedInteger holds a nested list
- *     public Integer getInteger();
- *
- *     // @return the nested list that this NestedInteger holds, if it holds a nested list
- *     // Return empty list if this NestedInteger holds a single integer
- *     public List<NestedInteger> getList();
- * }
- */
 class NestedIterator implements Iterator<Integer> {
 
     private class DFSEntry {