diff --git a/src/test/java/org/apache/commons/lang3/time/DateUtilsTest.java b/src/test/java/org/apache/commons/lang3/time/DateUtilsTest.java
index 0f93c7727..148f6cd12 100644
--- a/src/test/java/org/apache/commons/lang3/time/DateUtilsTest.java
+++ b/src/test/java/org/apache/commons/lang3/time/DateUtilsTest.java
@@ -1681,8 +1681,5 @@ private static void assertCalendarsEquals(final String message, final Calendar c
         }
     }
 
-    void warn(final String msg) {
-        System.err.println(msg);
-    }
 }