diff --git a/sapi/fpm/fpm/fpm_log.c b/sapi/fpm/fpm/fpm_log.c
index 3f0c2ce1e63..87fe4c1d05d 100644
--- a/sapi/fpm/fpm/fpm_log.c
+++ b/sapi/fpm/fpm/fpm_log.c
@@ -19,8 +19,6 @@
 #include "fastcgi.h"
 #include "zlog.h"
 
-#define FPM_LOG_BUFFER 1024
-
 static char *fpm_log_format = NULL;
 static int fpm_log_fd = -1;
 static struct key_value_s *fpm_access_suppress_paths = NULL;