https://bugs.gentoo.org/716584
--- a/src/follow.c
+++ b/src/follow.c
@@ -26,7 +26,6 @@
  * many warnings, but seems to be necessary at times. works anyway.
  */
 #  include <termios.h>
-#  include <termio.h>
 # endif
 /* #else USE_SGTTY */
 #endif
--- a/src/tty.c
+++ b/src/tty.c
@@ -44,7 +44,6 @@
  * many warnings, but seems to be necessary at times. works anyway.
  */
 #    include <termios.h>
-#    include <termio.h>
 #  endif
 /* #else USE_SGTTY */
 #endif