diff --git a/slirp/slirp.h b/slirp/slirp.h
index 57955a8965..fba77d0c3d 100644
--- a/slirp/slirp.h
+++ b/slirp/slirp.h
@@ -28,9 +28,6 @@ typedef char *caddr_t;
 #include <arpa/inet.h>
 #endif
 
-#ifndef NO_UNIX_SOCKETS
-#include <sys/un.h>
-#endif
 #ifndef _WIN32
 #include <sys/socket.h>
 #endif
diff --git a/slirp/slirp_config.h b/slirp/slirp_config.h
index a205dc8c28..4417b05d1c 100644
--- a/slirp/slirp_config.h
+++ b/slirp/slirp_config.h
@@ -58,9 +58,3 @@
 #ifndef _WIN32
 #define HAVE_INET_ATON
 #endif
-
-/* Define if you DON'T have unix-domain sockets */
-#undef NO_UNIX_SOCKETS
-#ifdef _WIN32
-#define NO_UNIX_SOCKETS
-#endif