diff --git a/libImaging/TiffDecode.h b/libImaging/TiffDecode.h
index 90fe3c9d4..46c940d1b 100644
--- a/libImaging/TiffDecode.h
+++ b/libImaging/TiffDecode.h
@@ -13,11 +13,6 @@
 #include <tiff.h>
 #endif
 
-#ifndef _UNISTD_H
-#include <unistd.h>
-#endif
-
-
 #ifndef min
 #define min(x,y) (( x > y ) ? y : x )
 #define max(x,y) (( x < y ) ? y : x )
@@ -43,11 +38,10 @@ extern int ImagingLibTiffEncodeInit(ImagingCodecState state, char *filename, int
 extern int ImagingLibTiffSetField(ImagingCodecState state, ttag_t tag, ...);
 
 
-#if defined(_MSC_VER) && (_MSC_VER == 1310)
-/* VS2003/py2.4 can't use varargs. Skipping trace for now.*/
-#define TRACE(args)
-#else
-
+/* 
+   Trace debugging
+   legacy, don't enable for python 3.x, unicode issues. 
+*/
 
 /*
 #define VA_ARGS(...)	__VA_ARGS__
@@ -56,8 +50,5 @@ extern int ImagingLibTiffSetField(ImagingCodecState state, ttag_t tag, ...);
 
 #define TRACE(args)
 
-#endif /* _MSC_VER */
-
-
 
 #endif