diff --git a/bin/gen_rdata.php b/bin/gen_rdata.php
deleted file mode 100644
index d1013b58..00000000
--- a/bin/gen_rdata.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-$dir = '/home/htf/workspace/c/php-8.0.12/ext/standard/';
-
-$outDir = __DIR__ . '/../config/';
-
-$funcs = [];
-$files = glob($dir . '*.c');
-$index = 0;
-foreach ($files as $file) {
-    $content = file_get_contents($file);
-    preg_match_all('/PHP_FUNCTION\(([a-z0-9_]+)\)/i', $content, $match);
-    if (empty($match[1])) {
-        continue;
-    }
-    foreach ($match[1] as $fn) {
-        $funcs[] = $fn;
-    }
-}
-
-shuffle($funcs);
-
-$_funcs = [];
-foreach ($funcs as $fn) {
-    $_funcs['fn_' . random_int(100000, 999999) . str_pad($index++, 3, '0') . random_int(100, 999)] = $fn;
-}
-
-function dumpVar($file, $var)
-{
-    file_put_contents($file, "<?php\nreturn " . var_export($var, 1) . ";\n");
-}
-
-dumpVar($outDir . 'functions.php', $_funcs);
-
-$constants = get_defined_constants();
-$ignore_constants = array_flip(require __DIR__ . '/ignore_constants.php');
-foreach ($constants as $k => $v) {
-    if (isset($ignore_constants[$k])) {
-        unset($constants[$k]);
-    }
-}
-
-dumpVar($outDir . 'constants.php', $constants);
diff --git a/bin/ignore_constants.php b/bin/ignore_constants.php
deleted file mode 100644
index 8b658c77..00000000
--- a/bin/ignore_constants.php
+++ /dev/null
@@ -1,40 +0,0 @@
-<?php
-return [
-    "PHP_SAPI",
-    "PHP_OS",
-    "PHP_OS_FAMILY",
-    "PHP_ZTS",
-    "PHP_MAXPATHLEN",
-    "PHP_EOL",
-    "PATH_SEPARATOR",
-    "DIRECTORY_SEPARATOR",
-    "PHP_BINDIR",
-    "DEFAULT_INCLUDE_PATH",
-    "PHP_LIBDIR",
-    "PHP_VERSION",
-    "PHP_VERSION_ID",
-    'PEAR_INSTALL_DIR',
-    'PEAR_EXTENSION_DIR',
-    'PHP_EXTENSION_DIR',
-    'PHP_PREFIX',
-    'PHP_MANDIR',
-    'PHP_DATADIR',
-    'PHP_SYSCONFDIR',
-    'PHP_LOCALSTATEDIR',
-    'PHP_CONFIG_FILE_PATH',
-    'PHP_CONFIG_FILE_SCAN_DIR',
-    'PHP_BINARY',
-    'LIBXML_VERSION',
-    'LIBXML_DOTTED_VERSION',
-    'LIBXML_LOADED_VERSION',
-    'OPENSSL_VERSION_TEXT',
-    'OPENSSL_VERSION_NUMBER',
-    'OPENSSL_DEFAULT_STREAM_CIPHERS',
-    'PCRE_VERSION',
-    'PCRE_VERSION_MAJOR',
-    'PCRE_VERSION_MINOR',
-    'PCRE_JIT_SUPPORT',
-    'STDIN',
-    'STDOUT',
-    'STDERR',
-];