diff --git a/builtin-commit-tree.c b/builtin-commit-tree.c
index ddcb7a4bbbcd45dfd7437209f3187fff882e6e62..90dac349a3137405baaea63bfb6c798d2f8c92a3 100644
--- a/builtin-commit-tree.c
+++ b/builtin-commit-tree.c
@@ -9,8 +9,6 @@
 #include "builtin.h"
 #include "utf8.h"
 
-#define BLOCKING (1ul << 14)
-
 /*
  * FIXME! Share the code with "write-tree.c"
  */