diff --git a/mozilla/base/src/nsIInputStream.h b/mozilla/base/src/nsIInputStream.h
index bdd1392ba48..33fa8a33f20 100644
--- a/mozilla/base/src/nsIInputStream.h
+++ b/mozilla/base/src/nsIInputStream.h
@@ -40,7 +40,6 @@ public:
     GetLength(PRUint32 *aLength) = 0;
 
     /** Read data from the stream.
-     *  @param aErrorCode the error code if an error occurs
      *  @param aBuf the buffer into which the data is read
      *  @param aCount the maximum number of bytes to read
      *  @param aReadCount out parameter to hold the number of
diff --git a/mozilla/xpcom/io/nsIInputStream.h b/mozilla/xpcom/io/nsIInputStream.h
index bdd1392ba48..33fa8a33f20 100644
--- a/mozilla/xpcom/io/nsIInputStream.h
+++ b/mozilla/xpcom/io/nsIInputStream.h
@@ -40,7 +40,6 @@ public:
     GetLength(PRUint32 *aLength) = 0;
 
     /** Read data from the stream.
-     *  @param aErrorCode the error code if an error occurs
      *  @param aBuf the buffer into which the data is read
      *  @param aCount the maximum number of bytes to read
      *  @param aReadCount out parameter to hold the number of