diff --git a/src/main/java/org/gcube/applicationsupportlayer/social/mailing/EmailPlugin.java b/src/main/java/org/gcube/applicationsupportlayer/social/mailing/EmailPlugin.java
index 253cd8e..836df28 100644
--- a/src/main/java/org/gcube/applicationsupportlayer/social/mailing/EmailPlugin.java
+++ b/src/main/java/org/gcube/applicationsupportlayer/social/mailing/EmailPlugin.java
@@ -1,6 +1,5 @@
 package org.gcube.applicationsupportlayer.social.mailing;
 
-import java.nio.charset.Charset;
 import java.text.Format;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;