diff --git a/Include/cpython/coreconfig.h b/Include/cpython/coreconfig.h
@@ -218,11 +218,15 @@ typedef struct {
       always exists and is never empty. */
    _PyWstrList argv;

-    /* Program: argv[0] or "".
-       Used to display Python usage if parsing command line arguments fails.
-       Used to initialize the default value of program_name */
-    wchar_t *program;
-    wchar_t *program_name;    /* Program name, see also Py_GetProgramName() */

    _PyWstrList xoptions;     /* Command line -X options */
    _PyWstrList warnoptions;  /* Warnings options */

diff --git a/Modules/main.c b/Modules/main.c
@@ -283,7 +283,7 @@ pymain_run_file(_PyCoreConfig *config, PyCompilerFlags *cf)
        else
            cfilename = "<unprintable file name>";
        fprintf(stderr, "%ls: can't open file '%s': [Errno %d] %s\n",
-                config->program, cfilename, err, strerror(err));
        PyMem_RawFree(cfilename_buffer);
        return 2;
    }
@@ -303,7 +303,7 @@ pymain_run_file(_PyCoreConfig *config, PyCompilerFlags *cf)
    if (_Py_fstat_noraise(fileno(fp), &sb) == 0 && S_ISDIR(sb.st_mode)) {
        fprintf(stderr,
                "%ls: '%ls' is a directory, cannot continue\n",
-                config->program, filename);
        fclose(fp);
        return 1;
    }