diff --git a/Examples/ApiExamples/ApiExamples/ExHyphenation.cs b/Examples/ApiExamples/ApiExamples/ExHyphenation.cs
index b3e26e3e..5e5c3a78 100644
--- a/Examples/ApiExamples/ApiExamples/ExHyphenation.cs
+++ b/Examples/ApiExamples/ApiExamples/ExHyphenation.cs
@@ -117,6 +117,10 @@ public void RegisterDictionary()
             Assert.AreEqual(WarningSource.Layout, warningInfoCollection[0].Source);
             Assert.AreEqual("Hyphenation dictionary contains duplicate patterns. The only first found pattern will be used. " +
                             "Content can be wrapped differently.", warningInfoCollection[0].Description);
+
+            Hyphenation.WarningCallback = null; //ExSkip
+            Hyphenation.UnregisterDictionary("en-US"); //ExSkip
+            Hyphenation.Callback = null; //ExSkip
         }
 
         /// <summary>