diff --git a/src/Cedar/Protocol.c b/src/Cedar/Protocol.c
index df586b0e..21ff7b82 100644
--- a/src/Cedar/Protocol.c
+++ b/src/Cedar/Protocol.c
@@ -6640,15 +6640,6 @@ failure:
 }
 
 // Connect through a proxy
-SOCK *ProxyConnectEx(CONNECTION *c, char *proxy_host_name, UINT proxy_port,
-				   char *server_host_name, UINT server_port,
-				   char *username, char *password, bool additional_connect,
-				   bool *cancel_flag, void *hWnd)
-{
-	return ProxyConnectEx2(c, proxy_host_name, proxy_port,
-		server_host_name, server_port, username, password, additional_connect,
-		cancel_flag, hWnd, 0);
-}
 SOCK *ProxyConnectEx2(CONNECTION *c, char *proxy_host_name, UINT proxy_port,
 				   char *server_host_name, UINT server_port,
 				   char *username, char *password, bool additional_connect,
diff --git a/src/Cedar/Protocol.h b/src/Cedar/Protocol.h
index a15d3871..735497f5 100644
--- a/src/Cedar/Protocol.h
+++ b/src/Cedar/Protocol.h
@@ -257,10 +257,6 @@ SOCK *ClientAdditionalConnectToServer(CONNECTION *c);
 bool ClientUploadAuth2(CONNECTION *c, SOCK *s);
 bool GetSessionKeyFromPack(PACK *p, UCHAR *session_key, UINT *session_key_32);
 
-SOCK *ProxyConnectEx(CONNECTION *c, char *proxy_host_name, UINT proxy_port,
-					 char *server_host_name, UINT server_port,
-					 char *username, char *password, bool additional_connect,
-					 bool *cancel_flag, void *hWnd);
 SOCK *ProxyConnectEx2(CONNECTION *c, char *proxy_host_name, UINT proxy_port,
 					 char *server_host_name, UINT server_port,
 					 char *username, char *password, bool additional_connect,