diff --git a/util/ansi-print.hh b/util/ansi-print.hh
index ffca15ee6..aa24fd012 100644
--- a/util/ansi-print.hh
+++ b/util/ansi-print.hh
@@ -35,12 +35,7 @@
 #include <stdlib.h>
 #include <stddef.h>
 #include <string.h>
-#include <stdio.h>
 #include <math.h>
-#include <fcntl.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h> /* for isatty() */
-#endif
 
 #if defined (_MSC_VER) && (_MSC_VER < 1800)
 static inline long int
diff --git a/util/helper-cairo.hh b/util/helper-cairo.hh
index 3505794eb..c80872944 100644
--- a/util/helper-cairo.hh
+++ b/util/helper-cairo.hh
@@ -33,6 +33,10 @@
 #  include "helper-cairo-ft.hh"
 #endif
 
+#ifdef HAVE_UNISTD_H
+#include <unistd.h> /* for isatty() */
+#endif
+
 #include <cairo.h>
 #include <hb.h>
 #include <hb-cairo.h>
diff --git a/util/options.hh b/util/options.hh
index 790650bfd..39c537adb 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -38,9 +38,6 @@
 #include <locale.h>
 #include <errno.h>
 #include <fcntl.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h> /* for isatty() */
-#endif
 #if defined(_WIN32) || defined(__CYGWIN__)
 #include <io.h> /* for setmode() under Windows */
 #endif