diff --git a/bin/stty/cchar.c b/bin/stty/cchar.c
index 52c3219ac788..ecefbb2bc8f3 100644
--- a/bin/stty/cchar.c
+++ b/bin/stty/cchar.c
@@ -39,7 +39,6 @@ __FBSDID("$FreeBSD$");
 
 #include <err.h>
 #include <limits.h>
-#include <stddef.h>
 #include <stdlib.h>
 #include <string.h>
 
diff --git a/bin/stty/key.c b/bin/stty/key.c
index 632524305628..4514a0ea1c04 100644
--- a/bin/stty/key.c
+++ b/bin/stty/key.c
@@ -38,7 +38,6 @@ __FBSDID("$FreeBSD$");
 #include <sys/types.h>
 
 #include <err.h>
-#include <errno.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/bin/stty/modes.c b/bin/stty/modes.c
index 0fe4e5168d2c..5cd3061aa449 100644
--- a/bin/stty/modes.c
+++ b/bin/stty/modes.c
@@ -36,7 +36,6 @@ static char sccsid[] = "@(#)modes.c	8.3 (Berkeley) 4/2/94";
 __FBSDID("$FreeBSD$");
 
 #include <sys/types.h>
-#include <stddef.h>
 #include <string.h>
 #include "stty.h"
 
diff --git a/bin/stty/stty.c b/bin/stty/stty.c
index 234008329c0a..9aa2f51aa81f 100644
--- a/bin/stty/stty.c
+++ b/bin/stty/stty.c
@@ -45,7 +45,6 @@ __FBSDID("$FreeBSD$");
 
 #include <ctype.h>
 #include <err.h>
-#include <errno.h>
 #include <fcntl.h>
 #include <limits.h>
 #include <stdio.h>
diff --git a/bin/stty/util.c b/bin/stty/util.c
index 8c2755820d8d..19898ba9805f 100644
--- a/bin/stty/util.c
+++ b/bin/stty/util.c
@@ -39,8 +39,6 @@ __FBSDID("$FreeBSD$");
 #include <sys/stat.h>
 
 #include <err.h>
-#include <stdio.h>
-#include <stdlib.h>
 #include <unistd.h>
 
 #include "stty.h"