diff --git a/mozilla/content/html/content/public/nsISelectElement.idl b/mozilla/content/html/content/public/nsISelectElement.idl
index 1b34e181669..dbabe9299ef 100644
--- a/mozilla/content/html/content/public/nsISelectElement.idl
+++ b/mozilla/content/html/content/public/nsISelectElement.idl
@@ -39,7 +39,6 @@
 
 interface nsIContent;
 interface nsIDOMHTMLOptionElement;
-interface nsPresContext;
 
 /** 
  * This interface is used to notify a SELECT when OPTION