diff --git a/libraries/Ethernet/src/Ethernet.h b/libraries/Ethernet/src/Ethernet.h
index 336621cbf..8352a1c4e 100644
--- a/libraries/Ethernet/src/Ethernet.h
+++ b/libraries/Ethernet/src/Ethernet.h
@@ -91,8 +91,6 @@ class EthernetClass : public MbedSocketClass {
 
   void MACAddress(uint8_t *mac_address);
 
-  void setHostname(const char *name);
-
   int disconnect(void);
   void end(void);
 
@@ -123,7 +121,6 @@ class EthernetClass : public MbedSocketClass {
   EthernetInterface *eth_if = &net;
   voidPrtFuncPtr _initializerCallback;
   arduino::IPAddress ipAddressFromSocketAddress(SocketAddress socketAddress);
-  SocketAddress socketAddressFromIpAddress(arduino::IPAddress ip, uint16_t port);
 };
 
 }