diff --git a/src/winio.c b/src/winio.c
index b9c9e1f1e94d37dc3c0a7a4e7459a5db32d97164..71a3358d472d7e0068fae65ae56daf4ab506c802 100644
--- a/src/winio.c
+++ b/src/winio.c
@@ -27,7 +27,6 @@
 #include <stdarg.h>
 #include <string.h>
 #include <unistd.h>
-#include <errno.h>
 #include <ctype.h>
 
 static int *key_buffer = NULL;