diff --git a/app/src/processing/app/ui/PreferencesFrame.java b/app/src/processing/app/ui/PreferencesFrame.java
index 824f37c8f..c03879897 100644
--- a/app/src/processing/app/ui/PreferencesFrame.java
+++ b/app/src/processing/app/ui/PreferencesFrame.java
@@ -37,7 +37,6 @@ import processing.app.Language;
 import processing.app.Messages;
 import processing.app.Platform;
 import processing.app.Preferences;
-import processing.app.ui.ColorChooser;
 import processing.awt.ShimAWT;
 import processing.core.*;
 
diff --git a/core/src/processing/core/PVector.java b/core/src/processing/core/PVector.java
index 51d461f40..9c0b65e84 100644
--- a/core/src/processing/core/PVector.java
+++ b/core/src/processing/core/PVector.java
@@ -26,8 +26,6 @@ package processing.core;
 
 import java.io.Serializable;
 
-import processing.core.PApplet;
-import processing.core.PConstants;
 
 /**
  * ( begin auto-generated from PVector.xml )
diff --git a/java/src/processing/mode/java/preproc/issue/PdePreprocessIssueException.java b/java/src/processing/mode/java/preproc/issue/PdePreprocessIssueException.java
index de1b49b29..72aeae9af 100644
--- a/java/src/processing/mode/java/preproc/issue/PdePreprocessIssueException.java
+++ b/java/src/processing/mode/java/preproc/issue/PdePreprocessIssueException.java
@@ -1,6 +1,5 @@
 package processing.mode.java.preproc.issue;
 
-import processing.mode.java.preproc.issue.PdePreprocessIssue;
 
 public class PdePreprocessIssueException extends RuntimeException {