diff --git a/libbitdht/src/util/bdnet.cc b/libbitdht/src/util/bdnet.cc
index 515ec7fcb..1733ca591 100644
--- a/libbitdht/src/util/bdnet.cc
+++ b/libbitdht/src/util/bdnet.cc
@@ -297,7 +297,7 @@ int bdnet_errno() { return errno; }
 
 
 /* check if we can modify the TTL on a UDP packet */
-int bdnet_checkTTL(int fd) { return 1;}
+int bdnet_checkTTL(int /*fd*/) { return 1;}
 
 
 int bdnet_inet_aton(const char *name, struct in_addr *addr)
diff --git a/libbitdht/src/util/bdnet.h b/libbitdht/src/util/bdnet.h
index 506281277..2d4ac370d 100644
--- a/libbitdht/src/util/bdnet.h
+++ b/libbitdht/src/util/bdnet.h
@@ -158,7 +158,7 @@ int     bdnet_w2u_errno(int error);
  * void Sleep(int ms);
  */
 void sleep(int sec); 
-//void usleep(int usec);
+void usleep(int usec);
 
 #endif // END of WINDOWS defines.
 /********************************** WINDOWS/UNIX SPECIFIC PART ******************/