Revert "Removing elements from an array is very costly."

1 files changed, 1 insertions, 6 deletions

diff --git a/vespajlib/src/main/java/com/yahoo/collections/ListenableArrayList.java b/vespajlib/src/main/java/com/yahoo/collections/ListenableArrayList.java
index 44569471049..e3f73212170 100644
--- a/vespajlib/src/main/java/com/yahoo/collections/ListenableArrayList.java
+++ b/vespajlib/src/main/java/com/yahoo/collections/ListenableArrayList.java
@@ -3,13 +3,13 @@ package com.yahoo.collections;
 
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.List;
 
 /**
  * An array list which notifies listeners after one or more items are added
  *
  * @author bratseth
+ * @since 5.1.17
  */
 @SuppressWarnings("serial")
 public class ListenableArrayList<ITEM> extends ArrayList<ITEM> {
@@ -56,11 +56,6 @@ public class ListenableArrayList<ITEM> extends ArrayList<ITEM> {
         return result;
     }
 
-    public List<Runnable> listeners() {
-        if (listeners == null) return Collections.emptyList();
-        return Collections.unmodifiableList(listeners);
-    }
-
     /**
      * Adds a listener which is invoked whenever elements are added to this.
      * This may not be invoked once for each added element.