diff --git a/mcopidl/scanner.cpp b/mcopidl/scanner.cpp
index f987efa..7fc3b67 100644
--- a/mcopidl/scanner.cpp
+++ b/mcopidl/scanner.cpp
@@ -40,15 +40,6 @@
 #endif	/* __STDC__ */
 #endif	/* ! __cplusplus */
 
-#ifdef __TURBOC__
- #pragma warn -rch
- #pragma warn -use
-#include <io.h>
-#include <stdlib.h>
-#define YY_USE_CONST
-#define YY_USE_PROTOS
-#endif
-
 #ifdef YY_USE_CONST
 #define yyconst const
 #else
diff --git a/mcopidl/yacc.cpp b/mcopidl/yacc.cpp
index 054f71b..dc8b86e 100644
--- a/mcopidl/yacc.cpp
+++ b/mcopidl/yacc.cpp
@@ -380,19 +380,19 @@ static const short yycheck[] = {     0,
 /* We think this test detects Watcom and Microsoft C.  */
 /* This used to test MSDOS, but that is a bad idea
    since that symbol is in the user namespace.  */
-#if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
+#if defined (_MSDOS) || defined (_MSDOS_)
 #if 0 /* No need for malloc.h, which pollutes the namespace;
 	 instead, just don't use alloca.  */
 #include <malloc.h>
 #endif
-#else /* not MSDOS, or __TURBOC__ */
+#else /* not MSDOS */
 #if defined(_AIX)
 /* I don't know what this was needed for, but it pollutes the namespace.
    So I turned it off.   rms, 2 May 1997.  */
 /* #include <malloc.h>  */
  #pragma alloca
 #define YYSTACK_USE_ALLOCA
-#else /* not MSDOS, or __TURBOC__, or _AIX */
+#else /* not MSDOS or _AIX */
 #if 0
 #ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up,
 		 and on HPUX 10.  Eventually we can turn this on.  */
@@ -401,7 +401,7 @@ static const short yycheck[] = {     0,
 #endif /* __hpux */
 #endif
 #endif /* not _AIX */
-#endif /* not MSDOS, or __TURBOC__ */
+#endif /* not MSDOS */
 #endif /* not sparc */
 #endif /* not GNU C */
 #endif /* alloca not defined */