diff --git a/app/src/processing/app/EditorHeader.java b/app/src/processing/app/EditorHeader.java
index 5f7e3c4af..f7c092d64 100644
--- a/app/src/processing/app/EditorHeader.java
+++ b/app/src/processing/app/EditorHeader.java
@@ -520,7 +520,7 @@ public class EditorHeader extends JComponent {
       }
     };
     mapKey = "editor.header.new_tab";
-    keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_N, Toolkit.SHORTCUT_SHIFT_KEY_MASK);
+    keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_N, Toolkit.SHORTCUT_ALT_KEY_MASK);
     mInputMap.put(keyStroke, mapKey);
     mActionMap.put(mapKey, action);
     item.addActionListener(action);
@@ -559,7 +559,7 @@ public class EditorHeader extends JComponent {
       }
     };
     mapKey = "editor.header.delete";
-    keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_D, Toolkit.SHORTCUT_SHIFT_KEY_MASK);
+    keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_D, Toolkit.SHORTCUT_ALT_KEY_MASK);
     mInputMap.put(keyStroke, mapKey);
     mActionMap.put(mapKey, action);
     item.addActionListener(action);
@@ -577,7 +577,7 @@ public class EditorHeader extends JComponent {
       }
     };
     mapKey = "editor.header.previous_tab";
-    keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, Toolkit.SHORTCUT_SHIFT_KEY_MASK);
+    keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, Toolkit.SHORTCUT_ALT_KEY_MASK);
     mInputMap.put(keyStroke, mapKey);
     mActionMap.put(mapKey, action);
     item.addActionListener(action);
@@ -592,7 +592,7 @@ public class EditorHeader extends JComponent {
       }
     };
     mapKey = "editor.header.next_tab";
-    keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, Toolkit.SHORTCUT_SHIFT_KEY_MASK);
+    keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, Toolkit.SHORTCUT_ALT_KEY_MASK);
     mInputMap.put(keyStroke, mapKey);
     mActionMap.put(mapKey, action);
     item.addActionListener(action);
diff --git a/app/src/processing/app/Toolkit.java b/app/src/processing/app/Toolkit.java
index dbad95dbb..deaacb016 100644
--- a/app/src/processing/app/Toolkit.java
+++ b/app/src/processing/app/Toolkit.java
@@ -76,8 +76,6 @@ public class Toolkit {
   /** Command-Option on Mac OS X, Ctrl-Alt on Windows and Linux */
   static final int SHORTCUT_ALT_KEY_MASK = ActionEvent.ALT_MASK |
     awtToolkit.getMenuShortcutKeyMask();
-  static final int SHORTCUT_SHIFT_KEY_MASK = ActionEvent.SHIFT_MASK |
-    SHORTCUT_KEY_MASK;
 
 
   /**