diff --git a/logstash-core/src/main/java/org/logstash/common/BufferedTokenizerExt.java b/logstash-core/src/main/java/org/logstash/common/BufferedTokenizerExt.java
index e1c465f0995..41e448f7d84 100644
--- a/logstash-core/src/main/java/org/logstash/common/BufferedTokenizerExt.java
+++ b/logstash-core/src/main/java/org/logstash/common/BufferedTokenizerExt.java
@@ -29,7 +29,6 @@
 import org.logstash.RubyUtil;
 
 import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
 
 @JRubyClass(name = "BufferedTokenizer")
 public class BufferedTokenizerExt extends RubyObject {