diff --git a/UDPSocket.cpp b/UDPSocket.cpp
index 0d50b90..396f1f7 100644
--- a/UDPSocket.cpp
+++ b/UDPSocket.cpp
@@ -33,7 +33,6 @@ m_port(port),
 m_fd(-1)
 {
 	assert(!address.empty());
-	assert(port > 0U);
 
 #if defined(_WIN32) || defined(_WIN64)
 	WSAData data;
@@ -47,21 +46,6 @@ CUDPSocket::CUDPSocket(unsigned int port) :
 m_address(),
 m_port(port),
 m_fd(-1)
-{
-	assert(port > 0U);
-
-#if defined(_WIN32) || defined(_WIN64)
-	WSAData data;
-	int wsaRet = ::WSAStartup(MAKEWORD(2, 2), &data);
-	if (wsaRet != 0)
-		LogError("Error from WSAStartup");
-#endif
-}
-
-CUDPSocket::CUDPSocket() :
-m_address(),
-m_port(0U),
-m_fd(-1)
 {
 #if defined(_WIN32) || defined(_WIN64)
 	WSAData data;
diff --git a/UDPSocket.h b/UDPSocket.h
index 7d35544..e0af272 100644
--- a/UDPSocket.h
+++ b/UDPSocket.h
@@ -36,9 +36,8 @@
 
 class CUDPSocket {
 public:
-	CUDPSocket(const std::string& address, unsigned int port);
-	CUDPSocket(unsigned int port);
-	CUDPSocket();
+	CUDPSocket(const std::string& address, unsigned int port = 0U);
+	CUDPSocket(unsigned int port = 0U);
 	~CUDPSocket();
 
 	bool open();