diff --git a/include/wx/string.h b/include/wx/string.h
index 1c0e7c7e1e..0a2ac05888 100644
--- a/include/wx/string.h
+++ b/include/wx/string.h
@@ -39,10 +39,6 @@
     #include <ctype.h>
 #endif
 
-#ifdef __EMX__
-    #include <std.h>
-#endif
-
 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
    // problem in VACPP V4 with including stdlib.h multiple times
    // strconv includes it anyway