diff --git a/cj-btc-jsonrpc/src/main/java/org/consensusj/bitcoin/jsonrpc/BitcoinExtendedClient.java b/cj-btc-jsonrpc/src/main/java/org/consensusj/bitcoin/jsonrpc/BitcoinExtendedClient.java
index 0d32745ce..7913dcd64 100644
--- a/cj-btc-jsonrpc/src/main/java/org/consensusj/bitcoin/jsonrpc/BitcoinExtendedClient.java
+++ b/cj-btc-jsonrpc/src/main/java/org/consensusj/bitcoin/jsonrpc/BitcoinExtendedClient.java
@@ -18,7 +18,6 @@
 import org.bitcoinj.base.Address;
 import org.bitcoinj.base.Coin;
 import org.bitcoinj.crypto.ECKey;
-import org.bitcoinj.core.NetworkParameters;
 import org.bitcoinj.base.Sha256Hash;
 import org.bitcoinj.core.Transaction;
 import org.bitcoinj.core.TransactionOutPoint;
@@ -79,13 +78,8 @@ public BitcoinExtendedClient(Network network, URI server, String rpcuser, String
         this(JsonRpcTransport.getDefaultSSLContext(), network, server, rpcuser, rpcpassword);
     }
 
-    @Deprecated
-    public BitcoinExtendedClient(NetworkParameters netParams, URI server, String rpcuser, String rpcpassword) {
-        this(JsonRpcTransport.getDefaultSSLContext(), netParams.network(), server, rpcuser, rpcpassword);
-    }
-
     public BitcoinExtendedClient(URI server, String rpcuser, String rpcpassword) {
-        this(JsonRpcTransport.getDefaultSSLContext(), (Network) null, server, rpcuser, rpcpassword);
+        this(JsonRpcTransport.getDefaultSSLContext(), null, server, rpcuser, rpcpassword);
     }
 
     public BitcoinExtendedClient(RpcConfig config) {