diff --git a/src/options.c b/src/options.c
index ffabafb..ed0408b 100644
--- a/src/options.c
+++ b/src/options.c
@@ -6,16 +6,8 @@
  * file for more information.
  */
 
-#include <stdio.h>
-#include <ctype.h>
 #include <string.h>
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
 #include <stdlib.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
 
 #if defined(HAVE_GETOPT_H) && defined(HAVE_GETOPT_LONG)
 #include <getopt.h>