diff --git a/nrjavaserial/src/main/java/gnu/io/NRSerialPort.java b/nrjavaserial/src/main/java/gnu/io/NRSerialPort.java
index 409b629b..4c89ff68 100644
--- a/nrjavaserial/src/main/java/gnu/io/NRSerialPort.java
+++ b/nrjavaserial/src/main/java/gnu/io/NRSerialPort.java
@@ -5,6 +5,7 @@
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.Set;
+import java.util.TooManyListenersException;
 
 public class NRSerialPort {
 	private RXTXPort serial;
@@ -165,11 +166,11 @@ public void notifyOnDataAvailable(boolean b) {
 	}
 	public void addEventListener(SerialPortEventListener lsnr)
                         throws TooManyListenersException {
-                serial.addEventListener(lsnr);
-        }
+    serial.addEventListener(lsnr);
+  }
 
-        public void removeEventListener(SerialPortEventListener lsnr) {
-                serial.removeEventListener(lsnr);
-        }
+  public void removeEventListener() {
+    serial.removeEventListener();
+  }
 
 }