diff --git a/Parser/intrcheck.c b/Parser/intrcheck.c
deleted file mode 100644
index 4439864d20c..00000000000
--- a/Parser/intrcheck.c
+++ /dev/null
@@ -1,174 +0,0 @@
-
-/* Check for interrupts */
-
-#include "Python.h"
-#include "pythread.h"
-
-#ifdef QUICKWIN
-
-#include <io.h>
-
-void
-PyOS_InitInterrupts(void)
-{
-}
-
-void
-PyOS_FiniInterrupts(void)
-{
-}
-
-int
-PyOS_InterruptOccurred(void)
-{
-    _wyield();
-}
-
-#define OK
-
-#endif /* QUICKWIN */
-
-#if defined(_M_IX86) && !defined(__QNX__)
-#include <io.h>
-#endif
-
-#if defined(MSDOS) && !defined(QUICKWIN)
-
-#ifdef __GNUC__
-
-/* This is for DJGPP's GO32 extender.  I don't know how to trap
- * control-C  (There's no API for ctrl-C, and I don't want to mess with
- * the interrupt vectors.)  However, this DOES catch control-break.
- * --Amrit
- */
-
-#include <go32.h>
-
-void
-PyOS_InitInterrupts(void)
-{
-    _go32_want_ctrl_break(1 /* TRUE */);
-}
-
-void
-PyOS_FiniInterrupts(void)
-{
-}
-
-int
-PyOS_InterruptOccurred(void)
-{
-    return _go32_was_ctrl_break_hit();
-}
-
-#else /* !__GNUC__ */
-
-/* This might work for MS-DOS (untested though): */
-
-void
-PyOS_InitInterrupts(void)
-{
-}
-
-void
-PyOS_FiniInterrupts(void)
-{
-}
-
-int
-PyOS_InterruptOccurred(void)
-{
-    int interrupted = 0;
-    while (kbhit()) {
-        if (getch() == '\003')
-            interrupted = 1;
-    }
-    return interrupted;
-}
-
-#endif /* __GNUC__ */
-
-#define OK
-
-#endif /* MSDOS && !QUICKWIN */
-
-
-#ifndef OK
-
-/* Default version -- for real operating systems and for Standard C */
-
-#include <stdio.h>
-#include <string.h>
-#include <signal.h>
-
-static int interrupted;
-
-void
-PyErr_SetInterrupt(void)
-{
-    interrupted = 1;
-}
-
-extern int PyErr_CheckSignals(void);
-
-static int
-checksignals_witharg(void * arg)
-{
-    return PyErr_CheckSignals();
-}
-
-static void
-intcatcher(int sig)
-{
-    extern void Py_Exit(int);
-    static char message[] =
-"python: to interrupt a truly hanging Python program, interrupt once more.\n";
-    switch (interrupted++) {
-    case 0:
-        break;
-    case 1:
-        write(2, message, strlen(message));
-        break;
-    case 2:
-        interrupted = 0;
-        Py_Exit(1);
-        break;
-    }
-    PyOS_setsig(SIGINT, intcatcher);
-    Py_AddPendingCall(checksignals_witharg, NULL);
-}
-
-static void (*old_siginthandler)(int) = SIG_DFL;
-
-void
-PyOS_InitInterrupts(void)
-{
-    if ((old_siginthandler = PyOS_setsig(SIGINT, SIG_IGN)) != SIG_IGN)
-        PyOS_setsig(SIGINT, intcatcher);
-}
-
-void
-PyOS_FiniInterrupts(void)
-{
-    PyOS_setsig(SIGINT, old_siginthandler);
-}
-
-int
-PyOS_InterruptOccurred(void)
-{
-    if (!interrupted)
-        return 0;
-    interrupted = 0;
-    return 1;
-}
-
-#endif /* !OK */
-
-void
-PyOS_AfterFork(void)
-{
-#ifdef WITH_THREAD
-    PyEval_ReInitThreads();
-    PyThread_ReInitTLS();
-#endif
-}