diff --git a/include/networkmanager.h b/include/networkmanager.h
index 7584b69..08b10db 100644
--- a/include/networkmanager.h
+++ b/include/networkmanager.h
@@ -14,8 +14,6 @@
 #undef MS_FAILOVER_SUPPORTED
 #endif
 
-#undef MS_FAILOVER_SUPPORTED
-
 #include "aopacket.h"
 #include "aoapplication.h"