diff --git a/build.vc10/cfg.h b/build.vc10/cfg.h
index 1ff4d5fd..27c7397a 100644
--- a/build.vc10/cfg.h
+++ b/build.vc10/cfg.h
@@ -349,10 +349,6 @@ MA 02111-1307, USA. */
 #define inline	__inline
 #endif
 
-/* Define to empty if the keyword `volatile' does not work. Warning: valid
-   code using `volatile' can become incorrect without. Disable with care. */
-#undef volatile
-
 #ifdef _MSC_VER
 #define access _access
 #define strcasecmp _stricmp
diff --git a/build.vc10/gen_mpir_h.bat b/build.vc10/gen_mpir_h.bat
index e4ecb444..25588af6 100644
--- a/build.vc10/gen_mpir_h.bat
+++ b/build.vc10/gen_mpir_h.bat
@@ -1,6 +1,6 @@
 @echo off
 echo creating mpir.h for %1
-echo /* generated from gmp-h.in by gen_mpt_h.bat */ >tmp.h
+echo /* generated from gmp-h.in by gen_mpir_h.bat */ >tmp.h
 if /i "%1" EQU "win32" set bits=32
 if /i "%1" EQU "x64" set bits=64
 for /f "tokens=1,2 delims=@" %%a in (..\gmp-h.in) do (