diff --git a/configure.ac b/configure.ac
index 7f0c1147..c090ca73 100644
--- a/configure.ac
+++ b/configure.ac
@@ -295,7 +295,7 @@ AC_HEADER_SYS_WAIT
 AC_CHECK_HEADERS([ \
 	errno.h fcntl.h malloc.h stdlib.h \
 	inttypes.h string.h strings.h \
-	sys/time.h unistd.h locale.h getopt.h sys/mman.h
+	sys/time.h unistd.h getopt.h sys/mman.h
 ])
 
 dnl Checks for typedefs, structures, and compiler characteristics.
@@ -310,8 +310,7 @@ AC_FUNC_STAT
 AC_FUNC_VPRINTF
 AC_CHECK_FUNCS([ \
 	getpass gettimeofday memset mkdir \
-	strdup strerror setutent vsyslog \
-	setlocale getopt_long \
+	strdup strerror getopt_long \
 	strlcpy strlcat
 ])
 AC_CHECK_SIZEOF(void *)