diff --git a/h2o-algos/src/main/java/hex/knn/TopNTreeMap.java b/h2o-algos/src/main/java/hex/knn/TopNTreeMap.java
index ead16dac5e9b..658080fc69a1 100644
--- a/h2o-algos/src/main/java/hex/knn/TopNTreeMap.java
+++ b/h2o-algos/src/main/java/hex/knn/TopNTreeMap.java
@@ -29,9 +29,6 @@ public V put(K key, V value) {
             V returnValue = super.put(key, value);
             if (size() > n){
                 remove(lastKey);
-                if(size() > n) {
-                    System.out.println("bla");
-                }
             }
             return returnValue;
         } else {