diff --git a/mozilla/content/base/src/nsImageLoadingContent.cpp b/mozilla/content/base/src/nsImageLoadingContent.cpp
index a8b7d924956..420e7a8dead 100644
--- a/mozilla/content/base/src/nsImageLoadingContent.cpp
+++ b/mozilla/content/base/src/nsImageLoadingContent.cpp
@@ -238,13 +238,6 @@ nsImageLoadingContent::GetImageBlocked(PRBool* aBlocked)
   return NS_OK;
 }
 
-NS_IMETHODIMP
-nsImageLoadingContent::GetImageURI(nsIURI** aURI)
-{
-  NS_NOTREACHED("Subclasses need to implement this");
-  return NS_ERROR_NOT_AVAILABLE;  
-}
-                                      
 NS_IMETHODIMP
 nsImageLoadingContent::AddObserver(imgIDecoderObserver* aObserver)
 {