diff --git a/app/src/processing/app/syntax/SyntaxUtilities.java b/app/src/processing/app/syntax/SyntaxUtilities.java
index 84fc1b4d1..6eef977a0 100644
--- a/app/src/processing/app/syntax/SyntaxUtilities.java
+++ b/app/src/processing/app/syntax/SyntaxUtilities.java
@@ -131,7 +131,6 @@ public class SyntaxUtilities
     Font defaultFont = gfx.getFont();
     Color defaultColor = gfx.getColor();
 
-    int offset = 0;
     for(;;)
       {
         byte id = tokens.id;
@@ -155,7 +154,6 @@ public class SyntaxUtilities
         else
           x = Utilities.drawTabbedText(line, x, y, gfx, expander, 0);        
         line.offset += length;
-        offset += length;
 
         tokens = tokens.next;
       }
diff --git a/app/src/processing/app/tools/AutoFormat.java b/app/src/processing/app/tools/AutoFormat.java
index c2c109c06..572ea692c 100644
--- a/app/src/processing/app/tools/AutoFormat.java
+++ b/app/src/processing/app/tools/AutoFormat.java
@@ -639,7 +639,6 @@ public class AutoFormat implements Tool {
         case '\'':
           string[j++] = c;
           cc = getchr();
-          int count = 0;
           while(cc != c && EOF == 0)
           {
             // max. length of line should be 256
diff --git a/app/src/processing/app/tools/MenuScroller.java b/app/src/processing/app/tools/MenuScroller.java
index 2f0cd80cf..cb7495650 100644
--- a/app/src/processing/app/tools/MenuScroller.java
+++ b/app/src/processing/app/tools/MenuScroller.java
@@ -3,7 +3,6 @@
  */
 package processing.app.tools;
 
-import java.awt.BorderLayout;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Dimension;
diff --git a/app/test/processing/app/ReplacingTextGeneratesTwoUndoActionsTest.java b/app/test/processing/app/ReplacingTextGeneratesTwoUndoActionsTest.java
index 8f7f7ca77..bd03f1108 100644
--- a/app/test/processing/app/ReplacingTextGeneratesTwoUndoActionsTest.java
+++ b/app/test/processing/app/ReplacingTextGeneratesTwoUndoActionsTest.java
@@ -3,7 +3,6 @@ package processing.app;
 import org.fest.swing.fixture.JMenuItemFixture;
 import org.junit.Test;
 import processing.app.helpers.JEditTextAreaFixture;
-import processing.app.syntax.JEditTextArea;
 
 import static org.junit.Assert.assertEquals;
 
diff --git a/arduino-core/src/processing/app/windows/Options.java b/arduino-core/src/processing/app/windows/Options.java
index 6f5239172..acbf43d7c 100644
--- a/arduino-core/src/processing/app/windows/Options.java
+++ b/arduino-core/src/processing/app/windows/Options.java
@@ -18,6 +18,7 @@ import java.util.*;
  * @author TB
  */
 public interface Options {
+  @SuppressWarnings("serial")
   Map<String, Object> UNICODE_OPTIONS = new HashMap<String, Object>() {
     {
       put(OPTION_TYPE_MAPPER, W32APITypeMapper.UNICODE);