diff --git a/src/main/scala/servlet/SessionCleanupListener.scala b/src/main/scala/servlet/SessionCleanupListener.scala
index cff794e..d600808 100644
--- a/src/main/scala/servlet/SessionCleanupListener.scala
+++ b/src/main/scala/servlet/SessionCleanupListener.scala
@@ -2,7 +2,6 @@
 
 import util.FileUploadUtil
 import javax.servlet.http.{HttpSessionEvent, HttpSessionListener}
-import javax.servlet.annotation.WebListener
 
 /**
  * Removes session associated temporary files when session is destroyed.