diff --git a/configure.ac b/configure.ac
index 2b5e779e..492803bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,7 +35,6 @@ AC_CONFIG_AUX_DIR(.)
 
 # Initialize Automake
 AM_INIT_AUTOMAKE([foreign dist-xz])
-AC_SYS_LARGEFILE
 
 # Require X.Org macros 1.8 or later for MAN_SUBSTS set by XORG_MANPAGE_SECTIONS
 m4_ifndef([XORG_MACROS_VERSION],