diff --git a/mozilla/dom/src/base/nsGlobalWindow.cpp b/mozilla/dom/src/base/nsGlobalWindow.cpp
index 6244b5d1e7f..1e3bc3aee5a 100644
--- a/mozilla/dom/src/base/nsGlobalWindow.cpp
+++ b/mozilla/dom/src/base/nsGlobalWindow.cpp
@@ -5401,7 +5401,6 @@ nsGlobalWindow::GetComputedStyle(nsIDOMElement* aElt,
   *aReturn = nsnull;
 
   if (!aElt) {
-    NS_ERROR("Don't call getComputedStyle with a null DOMElement reference!");
     return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
   }