diff --git a/bip-0039.mediawiki b/bip-0039.mediawiki
index da59124c..d2b79c78 100644
--- a/bip-0039.mediawiki
+++ b/bip-0039.mediawiki
@@ -137,6 +137,4 @@ Haskell - https://github.com/haskoin/haskoin
 
 .NET C# (PCL) - https://github.com/Thashiznets/BIP39.NET
 
-.NET C# (PCL) - https://github.com/NicolasDorier/NBitcoin
-
 JavaScript - https://github.com/bitpay/bitcore-mnemonic