From 9964de9b2f913e33927afb9e04065f30014df2d3 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Wed, 18 Feb 2015 10:22:07 +1100
Subject: [PATCH] remove redundant unknown transformer error message

---
 lib/babel/transformation/index.js | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/lib/babel/transformation/index.js b/lib/babel/transformation/index.js
index 4d5e4b5e4b..c442c03e40 100644
--- a/lib/babel/transformation/index.js
+++ b/lib/babel/transformation/index.js
@@ -41,12 +41,7 @@ transform._ensureTransformerNames = function (type, rawKeys) {
       keys = keys.concat(transform.namespaces[key]);
     } else {
       // invalid key
-      throw new ReferenceError(
-        "Unknown transformer " + key + " specified in " + type + " - " +
-        "transformer key names have been changed in 3.0.0 see " +
-        "the changelog for more info " +
-        "https://github.com/babel/babel/blob/master/CHANGELOG.md#300"
-      );
+      throw new ReferenceError("Unknown transformer " + key + " specified in " + type);
     }
   }