diff --git a/app/src/cc/arduino/contributions/BuiltInCoreIsNewerCheck.java b/app/src/cc/arduino/contributions/BuiltInCoreIsNewerCheck.java
index 800756c19..3dcda9272 100644
--- a/app/src/cc/arduino/contributions/BuiltInCoreIsNewerCheck.java
+++ b/app/src/cc/arduino/contributions/BuiltInCoreIsNewerCheck.java
@@ -33,14 +33,12 @@ import cc.arduino.contributions.filters.BuiltInPredicate;
 import cc.arduino.contributions.filters.InstalledPredicate;
 import cc.arduino.contributions.packages.ContributedPackage;
 import cc.arduino.contributions.packages.ContributedPlatform;
-import cc.arduino.view.Event;
 import processing.app.Base;
 import processing.app.BaseNoGui;
 import processing.app.I18n;
 import processing.app.PreferencesData;
 
 import javax.swing.*;
-import java.awt.event.ActionEvent;
 import java.util.Collection;
 import java.util.List;
 import java.util.stream.Collectors;
diff --git a/app/src/processing/app/EditorLineStatus.java b/app/src/processing/app/EditorLineStatus.java
index 253f3919d..b1ad221df 100644
--- a/app/src/processing/app/EditorLineStatus.java
+++ b/app/src/processing/app/EditorLineStatus.java
@@ -24,13 +24,10 @@ package processing.app;
 
 import java.awt.*;
 import java.awt.geom.Rectangle2D;
-import java.util.Map;
-
 import javax.swing.JComponent;
 
 import processing.app.helpers.OSUtils;
 import processing.app.helpers.PreferencesMap;
-import processing.app.syntax.SketchTextArea;
 
 
 /**
diff --git a/app/src/processing/app/Preferences.java b/app/src/processing/app/Preferences.java
index 8dc00c137..d53f5b0d8 100644
--- a/app/src/processing/app/Preferences.java
+++ b/app/src/processing/app/Preferences.java
@@ -21,12 +21,8 @@
 
 package processing.app;
 
-import processing.app.helpers.PreferencesHelper;
 import processing.app.helpers.PreferencesMap;
 
-import java.awt.*;
-import java.io.File;
-
 
 /**
  * Storage class for user preferences and environment settings.
diff --git a/app/test/processing/app/AutoformatProducesOneUndoActionTest.java b/app/test/processing/app/AutoformatProducesOneUndoActionTest.java
index 8c5243a66..33314b4a1 100644
--- a/app/test/processing/app/AutoformatProducesOneUndoActionTest.java
+++ b/app/test/processing/app/AutoformatProducesOneUndoActionTest.java
@@ -34,7 +34,6 @@ import org.junit.Test;
 import processing.app.helpers.SketchTextAreaFixture;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
 
 public class AutoformatProducesOneUndoActionTest extends AbstractGUITest {
 
diff --git a/app/test/processing/app/syntax/PdeKeywordsTest.java b/app/test/processing/app/syntax/PdeKeywordsTest.java
index 29c6b4675..f59deac21 100644
--- a/app/test/processing/app/syntax/PdeKeywordsTest.java
+++ b/app/test/processing/app/syntax/PdeKeywordsTest.java
@@ -32,8 +32,6 @@ package processing.app.syntax;
 import org.fife.ui.rsyntaxtextarea.TokenTypes;
 import org.junit.Test;
 import processing.app.AbstractWithPreferencesTest;
-import processing.app.BaseNoGui;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;