=== modified file 'termkey-internal.h'
--- termkey-internal.h	2019-02-17 17:41:37 +0000
+++ termkey-internal.h	2019-02-17 17:37:48 +0000
@@ -1,18 +1,10 @@
 #ifndef GUARD_TERMKEY_INTERNAL_H_
 #define GUARD_TERMKEY_INTERNAL_H_
 
-//#define HAVE_TERMIOS
-
-#ifdef _WIN32
-# undef HAVE_TERMIOS
-#endif
-
 #include "termkey.h"
 
 #include <stdint.h>
-#ifdef HAVE_TERMIOS
-# include <termios.h>
-#endif
+#include <termios.h>
 
 #ifdef _MSC_VER
 #include <BaseTsd.h>
@@ -54,10 +46,8 @@
   size_t hightide; /* Position beyond buffstart at which peekkey() should next start
                     * normally 0, but see also termkey_interpret_csi */
 
-#ifdef HAVE_TERMIOS
   struct termios restore_termios;
   char restore_termios_valid;
-#endif
 
   TermKey_Terminfo_Getstr_Hook *ti_getstr_hook;
   void *ti_getstr_hook_data;

=== modified file 'termkey.c'
--- termkey.c	2019-02-17 17:41:37 +0000
+++ termkey.c	2018-03-29 12:08:54 +0000
@@ -285,9 +285,7 @@
   tk->buffsize  = 256; /* bytes */
   tk->hightide  = 0;
 
-#ifdef HAVE_TERMIOS
   tk->restore_termios_valid = 0;
-#endif
 
   tk->ti_getstr_hook = NULL;
   tk->ti_getstr_hook_data = NULL;
@@ -488,7 +486,6 @@
   if(tk->is_started)
     return 1;
 
-#ifdef HAVE_TERMIOS
   if(tk->fd != -1 && !(tk->flags & TERMKEY_FLAG_NOTERMIOS)) {
     struct termios termios;
     if(tcgetattr(tk->fd, &termios) == 0) {
@@ -523,7 +520,6 @@
       tcsetattr(tk->fd, TCSANOW, &termios);
     }
   }
-#endif
 
   struct TermKeyDriverNode *p;
   for(p = tk->drivers; p; p = p->next)
@@ -549,10 +545,8 @@
     if(p->driver->stop_driver)
       (*p->driver->stop_driver)(tk, p->info);
 
-#ifdef HAVE_TERMIOS
   if(tk->restore_termios_valid)
     tcsetattr(tk->fd, TCSANOW, &tk->restore_termios);
-#endif
 
   tk->is_started = 0;