diff --git a/core/src/main/java/com/google/bitcoin/core/TransactionConfidence.java b/core/src/main/java/com/google/bitcoin/core/TransactionConfidence.java
index 4b533c0a..be81ccc0 100644
--- a/core/src/main/java/com/google/bitcoin/core/TransactionConfidence.java
+++ b/core/src/main/java/com/google/bitcoin/core/TransactionConfidence.java
@@ -16,12 +16,10 @@
 
 package com.google.bitcoin.core;
 
-import com.google.bitcoin.utils.EventListenerInvoker;
 import com.google.common.base.Preconditions;
 
 import java.io.Serializable;
 import java.math.BigInteger;
-import java.util.ArrayList;
 import java.util.ListIterator;
 import java.util.concurrent.CopyOnWriteArrayList;
 
diff --git a/core/src/main/java/com/google/bitcoin/utils/EventListenerInvoker.java b/core/src/main/java/com/google/bitcoin/utils/EventListenerInvoker.java
deleted file mode 100644
index f0dd964f..00000000
--- a/core/src/main/java/com/google/bitcoin/utils/EventListenerInvoker.java
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright 2012 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.bitcoin.utils;
-
-import java.util.List;
-
-/**
- * A utility class that makes it easier to run lists of event listeners that are allowed to
- * delete themselves during their execution. Event listeners are locked during execution. <p>
- *
- * Use like this:<p>
- *
- * <tt><pre>
- * final Foo myself = this;
- * final Bar change = ...;
- * EventListenerInvoker.invoke(myEventListeners, new EventListenerInvoker<FooEventListener, Void>() {
- *     public void invoke(FooEventListener listener) {
- *       listener.onSomethingChanged(myself, change);
- *     }
- * });
- * </pre></tt>
- */
-public abstract class EventListenerInvoker<E> {
-    public abstract void invoke(E listener);
-    
-    public static <E> void invoke(List<E> listeners,
-                                  EventListenerInvoker<E> invoker) {
-        if (listeners == null) return;
-        synchronized (listeners) {
-            for (int i = 0; i < listeners.size(); i++) {
-                E l = listeners.get(i);
-                synchronized (l) {
-                    invoker.invoke(l);
-                }
-                if (i == listeners.size()) {
-                    break;  // Listener removed itself and it was the last one.
-                } else if (listeners.get(i) != l) {
-                    i--;  // Listener removed itself and it was not the last one.
-                }
-            }
-        }
-    }
-}