diff --git a/src/serialize.h b/src/serialize.h
index d3f6b7d70..df060fdd7 100644
--- a/src/serialize.h
+++ b/src/serialize.h
@@ -19,16 +19,8 @@
 #include <boost/tuple/tuple_comparison.hpp>
 #include <boost/tuple/tuple_io.hpp>
 
-#if defined(_MSC_VER) || defined(__BORLANDC__)
-typedef __int64  int64;
-typedef unsigned __int64  uint64;
-#else
 typedef long long  int64;
 typedef unsigned long long  uint64;
-#endif
-#if defined(_MSC_VER) && _MSC_VER < 1300
-#define for  if (false) ; else for
-#endif
 
 #ifdef WIN32
 #include <windows.h>
diff --git a/src/uint256.h b/src/uint256.h
index b6132822c..d3da1f26d 100644
--- a/src/uint256.h
+++ b/src/uint256.h
@@ -11,16 +11,8 @@
 #include <string>
 #include <vector>
 
-#if defined(_MSC_VER) || defined(__BORLANDC__)
-typedef __int64  int64;
-typedef unsigned __int64  uint64;
-#else
 typedef long long  int64;
 typedef unsigned long long  uint64;
-#endif
-#if defined(_MSC_VER) && _MSC_VER < 1300
-#define for  if (false) ; else for
-#endif
 
 
 inline int Testuint256AdHoc(std::vector<std::string> vArg);
diff --git a/src/util.h b/src/util.h
index d9a0841a6..62b213355 100644
--- a/src/util.h
+++ b/src/util.h
@@ -25,19 +25,8 @@
 #include <openssl/ripemd.h>
 
 
-#if defined(_MSC_VER) || defined(__BORLANDC__)
-typedef __int64  int64;
-typedef unsigned __int64  uint64;
-#else
 typedef long long  int64;
 typedef unsigned long long  uint64;
-#endif
-#if defined(_MSC_VER) && _MSC_VER < 1300
-#define for  if (false) ; else for
-#endif
-#ifndef _MSC_VER
-#define __forceinline  inline
-#endif
 
 #define loop                for (;;)
 #define BEGIN(a)            ((char*)&(a))
@@ -53,7 +42,7 @@ typedef unsigned long long  uint64;
 #define snprintf my_snprintf
 
 #ifndef PRI64d
-#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MSVCRT__)
+#if defined(_MSC_VER) || defined(__MSVCRT__)
 #define PRI64d  "I64d"
 #define PRI64u  "I64u"
 #define PRI64x  "I64x"
@@ -474,15 +463,6 @@ inline bool GetBoolArg(const std::string& strArg)
 
 
 
-inline void heapchk()
-{
-#ifdef WIN32
-    /// for debugging
-    //if (_heapchk() != _HEAPOK)
-    //    DebugBreak();
-#endif
-}
-
 // Randomize the stack to help protect against buffer overrun exploits
 #define IMPLEMENT_RANDOMIZE_STACK(ThreadFn)     \
     {                                           \