diff --git a/src/fios.cpp b/src/fios.cpp
index 52abf872fe..67d225f768 100644
--- a/src/fios.cpp
+++ b/src/fios.cpp
@@ -18,7 +18,6 @@
 
 #ifdef WIN32
 # include <tchar.h>
-# include <io.h>
 # define access _taccess
 # define unlink _tunlink
 #else
diff --git a/src/newgrf_config.cpp b/src/newgrf_config.cpp
index a0bf437aa1..f562fb6d25 100644
--- a/src/newgrf_config.cpp
+++ b/src/newgrf_config.cpp
@@ -18,10 +18,6 @@
 #include "fios.h"
 #include <sys/stat.h>
 
-#ifdef WIN32
-# include <io.h>
-#endif /* WIN32 */
-
 
 GRFConfig *_all_grfs;
 GRFConfig *_grfconfig;