diff --git a/dmd2/idgen b/dmd2/idgen
deleted file mode 100755
index ff2f8880..00000000
Binary files a/dmd2/idgen and /dev/null differ
diff --git a/dmd2/impcnvgen b/dmd2/impcnvgen
deleted file mode 100755
index eb6e70b4..00000000
Binary files a/dmd2/impcnvgen and /dev/null differ
diff --git a/dmd2/lexer.c b/dmd2/lexer.c
index 60739c5f..77b7d7b3 100644
--- a/dmd2/lexer.c
+++ b/dmd2/lexer.c
@@ -617,7 +617,7 @@ void Lexer::scan(Token *t)
 		t->postfix = 0;
 		t->value = TOKstring;
 		if (!global.params.useDeprecated)
-		    error("Escape String literal %.*s is deprecated, use double quoted string literal \"%.*s\" instead", p - pstart, pstart, p - pstart, pstart);
+		    error("Escape String literal %.*s is deprecated, use double quoted string literal \"%.*s\" instead", (int)(p - pstart), pstart, (int)(p - pstart), pstart);
 		return;
 	    }
 #endif
diff --git a/dmd2/root/root.c b/dmd2/root/root.c
index fe19e94f..56b509ef 100644
--- a/dmd2/root/root.c
+++ b/dmd2/root/root.c
@@ -7,7 +7,9 @@
 // in artistic.txt, or the GNU General Public License in gnu.txt.
 // See the included readme.txt for details.
 
+#ifndef POSIX
 #define POSIX (linux || __APPLE__ || __FreeBSD__ || __sun&&__SVR4)
+#endif
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/dmd2/traits.c b/dmd2/traits.c
index 40106c8d..7b27be18 100644
--- a/dmd2/traits.c
+++ b/dmd2/traits.c
@@ -408,7 +408,7 @@ Lnottype:
     goto Lfalse;
 
 Ldimerror:
-    error("wrong number of arguments %d", dim);
+    error("wrong number of arguments %d", (int)dim);
     goto Lfalse;