diff --git a/lib/config.js b/lib/config.js
index <HASH>..<HASH> 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -27,10 +27,6 @@ var path = require("path"),
 
 var unclustered = ["memory", "disk", "leveldb"];
 
-function warnInternalConfig(key, log) {
-    log.warn("`" + key + "` is an internal config value which will be overwritten and have no effect");
-}
-
 function throwInternalConfig(key, log) {
     throw new Error("`" + key + "` is an internal config value and cannot be manually configured");
 }
Remove dead code from lib/config.js

In particular, this brings our line coverage for this module to
<I>%. Woot woot!