diff --git a/src/PlatformSockets.h b/src/PlatformSockets.h
index 56e46fa..9792162 100644
--- a/src/PlatformSockets.h
+++ b/src/PlatformSockets.h
@@ -52,12 +52,6 @@ typedef socklen_t SOCKADDR_LEN;
 
 #if defined(__vita__)
 #define TCP_NODELAY SCE_NET_TCP_NODELAY
-#undef EAGAIN
-#undef EWOULDBLOCK
-#undef EINTR
-#define EAGAIN SCE_NET_EAGAIN
-#define EWOULDBLOCK SCE_NET_EWOULDBLOCK
-#define EINTR SCE_NET_EINTR
 
 #define sockaddr_in6 sockaddr_in
 #define sin6_addr sin_addr