diff --git a/src/hb-common.h b/src/hb-common.h
index 8614ee3fe..614a63aa6 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -43,30 +43,16 @@
 # endif /* !__cplusplus */
 #endif
 
-#if !defined (HB_DONT_DEFINE_STDINT)
-
 #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || \
     defined (_sgi) || defined (__sun) || defined (sun) || \
     defined (__digital__) || defined (__HP_cc)
 #  include <inttypes.h>
 #elif defined (_AIX)
 #  include <sys/inttypes.h>
-/* VS 2010 (_MSC_VER 1600) has stdint.h */
-#elif defined (_MSC_VER) && _MSC_VER < 1600
-typedef __int8 int8_t;
-typedef unsigned __int8 uint8_t;
-typedef __int16 int16_t;
-typedef unsigned __int16 uint16_t;
-typedef __int32 int32_t;
-typedef unsigned __int32 uint32_t;
-typedef __int64 int64_t;
-typedef unsigned __int64 uint64_t;
 #else
 #  include <stdint.h>
 #endif
 
-#endif
-
 HB_BEGIN_DECLS
 
 
diff --git a/src/hb-ucdn/ucdn.h b/src/hb-ucdn/ucdn.h
index 71a1e4b30..2d5fc3591 100644
--- a/src/hb-ucdn/ucdn.h
+++ b/src/hb-ucdn/ucdn.h
@@ -36,30 +36,16 @@
 
 HB_BEGIN_HEADER
 
-#if !defined (HB_DONT_DEFINE_STDINT)
-
 #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || \
     defined (_sgi) || defined (__sun) || defined (sun) || \
     defined (__digital__) || defined (__HP_cc)
 #  include <inttypes.h>
 #elif defined (_AIX)
 #  include <sys/inttypes.h>
-/* VS 2010 (_MSC_VER 1600) has stdint.h */
-#elif defined (_MSC_VER) && _MSC_VER < 1600
-typedef __int8 int8_t;
-typedef unsigned __int8 uint8_t;
-typedef __int16 int16_t;
-typedef unsigned __int16 uint16_t;
-typedef __int32 int32_t;
-typedef unsigned __int32 uint32_t;
-typedef __int64 int64_t;
-typedef unsigned __int64 uint64_t;
 #else
 #  include <stdint.h>
 #endif
 
-#endif
-
 
 #define UCDN_EAST_ASIAN_F 0
 #define UCDN_EAST_ASIAN_H 1