--- src/dnsmasq.h
+++ src/dnsmasq.h
@@ -16,12 +16,6 @@
 
 #define COPYRIGHT "Copyright (c) 2000-2012 Simon Kelley" 
 
-#ifndef NO_LARGEFILE
-/* Ensure we can use files >2GB (log files may grow this big) */
-#  define _LARGEFILE_SOURCE 1
-#  define _FILE_OFFSET_BITS 64
-#endif
-
 /* Get linux C library versions and define _GNU_SOURCE for kFreeBSD. */
 #if defined(__linux__) || defined(__GLIBC__)
 #  ifndef __ANDROID__