diff --git a/app/src/processing/app/contrib/ContributionTab.java b/app/src/processing/app/contrib/ContributionTab.java
index 3893b94d0..3098e7565 100644
--- a/app/src/processing/app/contrib/ContributionTab.java
+++ b/app/src/processing/app/contrib/ContributionTab.java
@@ -25,13 +25,17 @@ package processing.app.contrib;
 import java.awt.Color;
 import java.awt.Cursor;
 import java.awt.Dimension;
-import java.awt.event.*;
+import java.awt.event.FocusEvent;
+import java.awt.event.FocusListener;
 import java.util.*;
 
 import javax.swing.*;
-import javax.swing.event.*;
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
 
-import processing.app.*;
+import processing.app.Base;
+import processing.app.Language;
+import processing.app.Library;
 import processing.app.ui.Editor;
 import processing.app.ui.Toolkit;