diff --git a/skynet-src/skynet_server.c b/skynet-src/skynet_server.c
index 9b40cbee..0592cbd8 100644
--- a/skynet-src/skynet_server.c
+++ b/skynet-src/skynet_server.c
@@ -14,9 +14,6 @@
 #include <stdint.h>
 #include <stdio.h>
 
-#define BLACKHOLE "blackhole"
-#define DEFAULT_MESSAGE_QUEUE 16 
-
 #ifdef CALLING_CHECK
 
 #define CHECKCALLING_BEGIN(ctx) assert(__sync_lock_test_and_set(&ctx->calling,1) == 0);