diff --git a/src/main/java/com/adobe/epubcheck/messages/LocalizedMessages.java b/src/main/java/com/adobe/epubcheck/messages/LocalizedMessages.java
index 6e9fe69b4..45c66d7ed 100644
--- a/src/main/java/com/adobe/epubcheck/messages/LocalizedMessages.java
+++ b/src/main/java/com/adobe/epubcheck/messages/LocalizedMessages.java
@@ -1,12 +1,12 @@
 package com.adobe.epubcheck.messages;
 
-import com.google.common.base.Charsets;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.net.URL;
 import java.net.URLConnection;
+import java.nio.charset.StandardCharsets;
 import java.util.EnumMap;
 import java.util.HashMap;
 import java.util.Locale;
@@ -211,7 +211,7 @@ public ResourceBundle newBundle(
           // Only this line is changed to make it to read properties files as
           // UTF-8.
           bundle = new PropertyResourceBundle(
-                  new BufferedReader(new InputStreamReader(stream, Charsets.UTF_8)));
+                  new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8)));
         } finally
         {
           stream.close();
diff --git a/src/main/java/com/adobe/epubcheck/util/Messages.java b/src/main/java/com/adobe/epubcheck/util/Messages.java
index 687c6140a..f2a25029f 100644
--- a/src/main/java/com/adobe/epubcheck/util/Messages.java
+++ b/src/main/java/com/adobe/epubcheck/util/Messages.java
@@ -28,6 +28,7 @@
 import java.io.InputStreamReader;
 import java.net.URL;
 import java.net.URLConnection;
+import java.nio.charset.StandardCharsets;
 import java.text.MessageFormat;
 import java.util.Locale;
 import java.util.MissingResourceException;
@@ -35,7 +36,6 @@
 import java.util.ResourceBundle;
 import java.util.ResourceBundle.Control;
 
-import com.google.common.base.Charsets;
 import com.google.common.collect.HashBasedTable;
 import com.google.common.collect.Table;
 
@@ -188,7 +188,7 @@ private class UTF8Control extends Control
           // Only this line is changed to make it to read properties files as UTF-8.
           bundle = new PropertyResourceBundle(
               new BufferedReader(
-                  new InputStreamReader(stream, Charsets.UTF_8)));
+                  new InputStreamReader(stream, StandardCharsets.UTF_8)));
         }
         finally
         {