diff --git a/core/src/main/java/org/bitcoinj/core/TransactionOutPoint.java b/core/src/main/java/org/bitcoinj/core/TransactionOutPoint.java
index b9d39791..0cf8ec20 100644
--- a/core/src/main/java/org/bitcoinj/core/TransactionOutPoint.java
+++ b/core/src/main/java/org/bitcoinj/core/TransactionOutPoint.java
@@ -16,18 +16,13 @@
 
 package org.bitcoinj.core;
 
-import org.bitcoinj.script.Script;
-import org.bitcoinj.wallet.KeyBag;
-import org.bitcoinj.wallet.RedeemData;
+import org.bitcoinj.script.*;
+import org.bitcoinj.wallet.*;
 
-import javax.annotation.Nullable;
-import java.io.IOException;
-import java.io.ObjectOutputStream;
-import java.io.OutputStream;
-import java.io.Serializable;
+import javax.annotation.*;
+import java.io.*;
 
-import static com.google.common.base.Preconditions.checkNotNull;
-import static com.google.common.base.Preconditions.checkState;
+import static com.google.common.base.Preconditions.*;
 
 /**
  * This message is a reference or pointer to an output of a different transaction.
@@ -245,6 +240,6 @@ public class TransactionOutPoint extends ChildMessage implements Serializable {
 
     @Override
     public int hashCode() {
-        return getHash().hashCode();
+        return 31 * hash.hashCode() + (int) (index ^ (index >>> 32));
     }
 }