--- a/layout/style/StreamLoader.cpp
+++ b/layout/style/StreamLoader.cpp
@@ -64,17 +64,16 @@ StreamLoader::OnStopRequest(nsIRequest* 
       return mStatus;
     }
 
     nsresult rv = mSheetLoadData->VerifySheetReadyToParse(aStatus, mBOMBytes,
                                                           bytes, channel);
     if (rv != NS_OK_PARSE_SHEET) {
       return rv;
     }
-    rv = NS_OK;
 
     // BOM detection generally happens during the write callback, but that won't
     // have happened if fewer than three bytes were received.
     if (mEncodingFromBOM.isNothing()) {
       HandleBOM();
       MOZ_ASSERT(mEncodingFromBOM.isSome());
     }