diff --git a/win/tty/wintty.c b/win/tty/wintty.c
index af54a1fee..06bc0218d 100644
--- a/win/tty/wintty.c
+++ b/win/tty/wintty.c
@@ -3217,7 +3217,6 @@ ttyinv_populate_slot(
 {
     struct tty_perminvent_cell *cell;
     char c;
-    boolean inuse_only = ((ttyinvmode & InvInUse) != 0);
     int ccnt, col, endcol;
     boolean inuse_only = (ttyinvmode & InvInUse) != 0;