diff --git a/src/util/bdnet.cc b/src/util/bdnet.cc
index 4c5f681..ba8c335 100644
--- a/src/util/bdnet.cc
+++ b/src/util/bdnet.cc
@@ -285,12 +285,6 @@ int sleep(unsigned int sec)
 }
 #endif
 
-int usleep(unsigned int usec)
-{ 
-	Sleep(usec / 1000); 
-	return 0;
-}
-
 /********************************** WINDOWS/UNIX SPECIFIC PART ******************/
 #else // UNIX
 
diff --git a/src/util/bdnet.h b/src/util/bdnet.h
index 639a2ed..89ecfa7 100644
--- a/src/util/bdnet.h
+++ b/src/util/bdnet.h
@@ -159,7 +159,6 @@ int     bdnet_w2u_errno(int error);
 #ifndef __MINGW64_VERSION_MAJOR
 int sleep(unsigned int sec);
 #endif
-int usleep(unsigned int usec);
 
 #endif // END of WINDOWS defines.
 /********************************** WINDOWS/UNIX SPECIFIC PART ******************/