diff --git a/configure.ac b/configure.ac
index 7fd5b70..a95260f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -116,7 +116,6 @@ AC_SUBST([PATH])
 AC_USE_SYSTEM_EXTENSIONS
 
 AC_PROG_CC
-AC_SYS_LARGEFILE
 AC_CHECK_SIZEOF([off_t])
 
 AC_CHECK_HEADERS([machine/endian.h endian.h features.h])