diff --git a/core/src/main/java/org/bitcoinj/core/Utils.java b/core/src/main/java/org/bitcoinj/core/Utils.java
index dc4c2dc2..4fb3cd86 100644
--- a/core/src/main/java/org/bitcoinj/core/Utils.java
+++ b/core/src/main/java/org/bitcoinj/core/Utils.java
@@ -17,12 +17,10 @@
 
 package org.bitcoinj.core;
 
-import com.google.common.base.Charsets;
 import com.google.common.base.Joiner;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Ordering;
 import com.google.common.io.BaseEncoding;
-import com.google.common.io.Resources;
 import com.google.common.primitives.Ints;
 import com.google.common.primitives.UnsignedLongs;
 import org.spongycastle.crypto.digests.RIPEMD160Digest;
@@ -30,7 +28,6 @@ import org.spongycastle.crypto.digests.RIPEMD160Digest;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.math.BigInteger;
-import java.net.URL;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.*;
@@ -499,12 +496,4 @@ public class Utils {
         }
         return maxItem;
     }
-
-    /**
-     * Reads and joins together with LF char (\n) all the lines from given file. It's assumed that file is in UTF-8.
-     */
-    public static String getResourceAsString(URL url) throws IOException {
-        List<String> lines = Resources.readLines(url, Charsets.UTF_8);
-        return Joiner.on('\n').join(lines);
-    }
 }
diff --git a/core/src/test/java/org/bitcoinj/wallet/DeterministicKeyChainTest.java b/core/src/test/java/org/bitcoinj/wallet/DeterministicKeyChainTest.java
index b99d2fde..7c7113e7 100644
--- a/core/src/test/java/org/bitcoinj/wallet/DeterministicKeyChainTest.java
+++ b/core/src/test/java/org/bitcoinj/wallet/DeterministicKeyChainTest.java
@@ -1,5 +1,6 @@
 /*
  * Copyright 2013 Google Inc.
+ * Copyright 2018 Andreas Schildbach
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,8 +25,12 @@ import org.bitcoinj.utils.BriefLogFormatter;
 import org.bitcoinj.utils.Threading;
 import org.bitcoinj.wallet.listeners.AbstractKeyChainEventListener;
 
+import com.google.common.base.Charsets;
+import com.google.common.base.Joiner;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Lists;
+import com.google.common.io.Resources;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.spongycastle.crypto.params.KeyParameter;
@@ -522,7 +527,8 @@ public class DeterministicKeyChainTest {
     private String checkSerialization(List<Protos.Key> keys, String filename) {
         try {
             String sb = protoToString(keys);
-            String expected = Utils.getResourceAsString(getClass().getResource(filename));
+            List<String> lines = Resources.readLines(getClass().getResource(filename), Charsets.UTF_8);
+            String expected = Joiner.on('\n').join(lines);
             assertEquals(expected, sb);
             return expected;
         } catch (IOException e) {