3 files changed, 4 insertions, 14 deletions
diff --git a/input.c b/input.c
index cb8c4e52..df387dad 100644
--- a/input.c
+++ b/input.c
@@ -1201,10 +1201,6 @@ input_csi_dispatch(struct input_ctx *ictx)
 			screen_write_mousemode_on(
 			    &ictx->ctx, MODE_MOUSE_STANDARD);
 			break;
-		case 1001:
-			screen_write_mousemode_on(
-			    &ictx->ctx, MODE_MOUSE_HIGHLIGHT);
-			break;
 		case 1002:
 			screen_write_mousemode_on(
 			    &ictx->ctx, MODE_MOUSE_BUTTON);
diff --git a/tmux.h b/tmux.h
index b1f733aa..4eab285c 100644
--- a/tmux.h
+++ b/tmux.h
@@ -547,13 +547,11 @@ struct mode_key_table {
 #define MODE_KKEYPAD 0x8	/* set = application, clear = number */
 #define MODE_WRAP 0x10		/* whether lines wrap */
 #define MODE_MOUSE_STANDARD 0x20
-#define MODE_MOUSE_HIGHLIGHT 0x40
-#define MODE_MOUSE_BUTTON 0x80
-#define MODE_MOUSE_ANY 0x100
-#define MODE_MOUSE_UTF8 0x200
+#define MODE_MOUSE_BUTTON 0x40
+#define MODE_MOUSE_ANY 0x80
+#define MODE_MOUSE_UTF8 0x100
 
-#define ALL_MOUSE_MODES (MODE_MOUSE_STANDARD| \
-    MODE_MOUSE_HIGHLIGHT|MODE_MOUSE_BUTTON|MODE_MOUSE_ANY)
+#define ALL_MOUSE_MODES (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON|MODE_MOUSE_ANY)
 
 /*
  * A single UTF-8 character.
diff --git a/tty.c b/tty.c
index 451a5df6..aff0d08a 100644
--- a/tty.c
+++ b/tty.c
@@ -403,8 +403,6 @@ tty_update_mode(struct tty *tty, int mode)
 				tty_puts(tty, "\033[?1005h");
 			if (mode & MODE_MOUSE_STANDARD)
 				tty_puts(tty, "\033[?1000h");
-			else if (mode & MODE_MOUSE_HIGHLIGHT)
-				tty_puts(tty, "\033[?1001h");
 			else if (mode & MODE_MOUSE_BUTTON)
 				tty_puts(tty, "\033[?1002h");
 			else if (mode & MODE_MOUSE_ANY)
@@ -412,8 +410,6 @@ tty_update_mode(struct tty *tty, int mode)
 		} else {
 			if (tty->mode & MODE_MOUSE_STANDARD)
 				tty_puts(tty, "\033[?1000l");
-			else if (tty->mode & MODE_MOUSE_HIGHLIGHT)
-				tty_puts(tty, "\033[?1001l");
 			else if (tty->mode & MODE_MOUSE_BUTTON)
 				tty_puts(tty, "\033[?1002l");
 			else if (tty->mode & MODE_MOUSE_ANY)