diff --git a/AppKit/CPText.j b/AppKit/CPText.j
index 7f2034bcc..490053047 100644
--- a/AppKit/CPText.j
+++ b/AppKit/CPText.j
@@ -40,6 +40,7 @@
 
 @protocol CPTextDelegate <CPObject>
 
+@optional
 - (BOOL)textShouldBeginEditing:(CPText)aTextObject;
 - (BOOL)textShouldEndEditing:(CPText)aTextObject;
 - (void)textDidBeginEditing:(CPNotification)aNotification;
diff --git a/AppKit/CPTextView/CPTextView.j b/AppKit/CPTextView/CPTextView.j
index 5953a31f8..67e6b8762 100644
--- a/AppKit/CPTextView/CPTextView.j
+++ b/AppKit/CPTextView/CPTextView.j
@@ -43,6 +43,7 @@
 
 @protocol CPTextViewDelegate <CPTextDelegate>
 
+@optional
 - (BOOL)textView:(CPTextView)aTextView doCommandBySelector:(SEL)aSelector;
 - (BOOL)textView:(CPTextView)aTextView shouldChangeTextInRange:(CPRange)affectedCharRange replacementString:(CPString)replacementString;
 - (CPDictionary)textView:(CPTextView)textView shouldChangeTypingAttributes:(CPDictionary)oldTypingAttributes toAttributes:(CPDictionary)newTypingAttributes;