diff --git a/test/repro/maintainer_gap_array_filter_fcc_inline_nested.php b/test/repro/maintainer_gap_array_filter_fcc_inline_nested.php
deleted file mode 100644
index d2ad228ba3..0000000000
--- a/test/repro/maintainer_gap_array_filter_fcc_inline_nested.php
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-// FCC callback + inline nested haystack (#15490).
-$r = array_filter(str_split(str_repeat('a1', 1)), is_numeric(...));
-var_export($r);
-echo "\n";
-
-$h = str_split('a1');
-$r2 = array_filter($h, is_numeric(...));
-var_export($r2);
-echo "\n";
-
-if ($r !== [1 => '1'] || $r2 !== [1 => '1']) {
-    echo "fail: unexpected result\n";
-    exit(1);
-}
-echo "ok\n";
diff --git a/test/repro/maintainer_gap_array_multisort_companion_order.php b/test/repro/maintainer_gap_array_multisort_companion_order.php
deleted file mode 100644
index f66d3e33a8..0000000000
--- a/test/repro/maintainer_gap_array_multisort_companion_order.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-// #15151: inline first array + assign-in-call companion — Zend keeps companion order.
-array_multisort([3, 1, 2], $labels = ['c', 'a', 'b']);
-$expected = ['c', 'a', 'b'];
-if ($labels !== $expected) {
-    echo 'fail: labels='.json_encode($labels).' expected '.json_encode($expected)."\n";
-    exit(1);
-}
-
-$a = [3, 1, 2];
-$b = ['c', 'a', 'b'];
-array_multisort($a, $b);
-if ($b !== ['a', 'b', 'c']) {
-    echo 'fail: predeclared companion='.json_encode($b)."\n";
-    exit(1);
-}
-
-echo "ok\n";
diff --git a/test/repro/maintainer_gap_array_replace_string_key_drop.php b/test/repro/maintainer_gap_array_replace_string_key_drop.php
deleted file mode 100644
index 60edf4d620..0000000000
--- a/test/repro/maintainer_gap_array_replace_string_key_drop.php
+++ /dev/null
@@ -1,23 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Issue #13759 — array_replace() inline array_keys() overlay must preserve string-key base entries.
- */
-
-$inline = array_replace(['a' => 1], array_keys(['b' => 2]));
-$expect = ['a' => 1, 0 => 'b'];
-if ($inline !== $expect) {
-    fwrite(STDERR, 'inline: '.var_export($inline, true).' expected '.var_export($expect, true)."\n");
-    exit(1);
-}
-
-$overlay = array_keys(['b' => 2]);
-$variable = array_replace(['a' => 1], $overlay);
-if ($variable !== $expect) {
-    fwrite(STDERR, 'variable: '.var_export($variable, true).' expected '.var_export($expect, true)."\n");
-    exit(1);
-}
-
-echo "ok\n";
diff --git a/test/repro/maintainer_gap_arrayiterator_uasort.php b/test/repro/maintainer_gap_arrayiterator_uasort.php
deleted file mode 100644
index a8be9e8701..0000000000
--- a/test/repro/maintainer_gap_arrayiterator_uasort.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-// Issue #9356 — ArrayIterator/ArrayObject uasort/uksort (php-src ext/spl/spl_array.c)
-$it = new ArrayIterator([2, 1]);
-$it->uasort(fn($a, $b) => $a <=> $b);
-var_export(iterator_to_array($it));
-echo "\n";
-$ao = new ArrayObject([2, 1]);
-$ao->uasort(fn($a, $b) => $a <=> $b);
-var_export($ao->getArrayCopy());
-echo "\n";
-$it2 = new ArrayIterator(['b' => 2, 'a' => 1]);
-$it2->uksort(fn($k1, $k2) => strcmp($k1, $k2));
-var_export(iterator_to_array($it2));
-echo "\n";
diff --git a/test/repro/maintainer_gap_bcadd_bcsub_bcmul_rounding_mode.php b/test/repro/maintainer_gap_bcadd_bcsub_bcmul_rounding_mode.php
deleted file mode 100644
index 3c730dcd4a..0000000000
--- a/test/repro/maintainer_gap_bcadd_bcsub_bcmul_rounding_mode.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-// Issue #9946 — bcadd/bcsub/bcmul optional rounding_mode (PHP 8.4, ext/bcmath/bcmath.c).
-
-echo bcadd('1.234', '0.005', 2, RoundingMode::TowardsZero), "\n";
-echo bcadd('1.005', '0.004', 2), "\n";
-echo bcsub('3.00', '0.004', 2, RoundingMode::TowardsZero), "\n";
-echo bcmul('1.55', '1.55', 2, RoundingMode::TowardsZero), "\n";
diff --git a/test/repro/maintainer_gap_call_multiarg_ternary_misbind.php b/test/repro/maintainer_gap_call_multiarg_ternary_misbind.php
deleted file mode 100644
index 6d84f93686..0000000000
--- a/test/repro/maintainer_gap_call_multiarg_ternary_misbind.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-declare(strict_types=1);
-
-// Issue #15816 — consecutive ?: operands as multi-arg call args must bind independently.
-
-function pair(string $a, int $b): void
-{
-    echo "a={$a} b={$b}\n";
-}
-
-pair(true ? 'yes' : 'no', false ? 1 : 2);
-echo sprintf("%s-%d", true ? 'yes' : 'no', false ? 1 : 2), "\n";
-$x = range(1, 14);
-var_dump($x === false ? 'false' : 'array', is_array($x) ? count($x) : null);
diff --git a/test/repro/maintainer_gap_capability_matrix_gated.php b/test/repro/maintainer_gap_capability_matrix_gated.php
deleted file mode 100644
index 894a82de46..0000000000
--- a/test/repro/maintainer_gap_capability_matrix_gated.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Maintainer repro: capability matrix VM column must match function_exists() (#11904).
- */
-
-$root = dirname(__DIR__, 2);
-require $root.'/vendor/autoload.php';
-require $root.'/script/capability-matrix.php';
-
-$capabilities = applyBuiltinCapabilityCurations(
-    applyBuiltinAdvertisementParity(collectCapabilities($root), $root)
-);
-
-$runtime = new PHPCompiler\Runtime();
-$ctx = $runtime->vmContext;
-$drift = [];
-
-foreach ($capabilities as $name => $row) {
-    $exists = isset($ctx->functions[$name]);
-    if ($row['vm'] !== $exists) {
-        $drift[] = sprintf(
-            '%s: matrix vm=%s function_exists=%s',
-            $name,
-            $row['vm'] ? 'yes' : 'no',
-            $exists ? 'true' : 'false'
-        );
-    }
-}
-
-if ($drift !== []) {
-    fwrite(STDERR, "Capability matrix / function_exists drift:\n".implode("\n", $drift)."\n");
-    exit(1);
-}
-
-foreach (['fmin', 'fmax', 'fpow', 'str_increment', 'str_decrement', 'class_has_method'] as $fn) {
-    if (!isset($capabilities[$fn])) {
-        continue;
-    }
-    if ($capabilities[$fn]['vm'] && !isset($ctx->functions[$fn])) {
-        fwrite(STDERR, $fn.": matrix VM=yes but function_exists() false\n");
-        exit(1);
-    }
-}
-
-fwrite(STDOUT, 'capability matrix gated parity OK ('.count($capabilities)." builtins)\n");
diff --git a/test/repro/maintainer_gap_class_alias_class_constant.php b/test/repro/maintainer_gap_class_alias_class_constant.php
deleted file mode 100644
index 8add7116c2..0000000000
--- a/test/repro/maintainer_gap_class_alias_class_constant.php
+++ /dev/null
@@ -1,22 +0,0 @@
-<?php
-/**
- * Repro for #15645 — Alias::class must resolve to alias name, not canonical.
- */
-declare(strict_types=1);
-
-class Real15655 {}
-class_alias(Real15655::class, 'Alias15655');
-
-$real = Real15655::class;
-$alias = Alias15655::class;
-
-if ('Real15655' !== $real) {
-    fwrite(STDERR, "Real15655::class expected Real15655, got {$real}\n");
-    exit(1);
-}
-if ('Alias15655' !== $alias) {
-    fwrite(STDERR, "Alias15655::class expected Alias15655, got {$alias}\n");
-    exit(1);
-}
-
-echo "ok\n";
diff --git a/test/repro/maintainer_gap_date_malformed_interval_period_exceptions.php b/test/repro/maintainer_gap_date_malformed_interval_period_exceptions.php
deleted file mode 100644
index a7ee7fd467..0000000000
--- a/test/repro/maintainer_gap_date_malformed_interval_period_exceptions.php
+++ /dev/null
@@ -1,30 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-// Repro for #15382 — DateMalformedIntervalException / DateMalformedPeriodException (ext/date/php_date.h).
-
-echo 'DateMalformedIntervalException: ', class_exists('DateMalformedIntervalException', false) ? 'yes' : 'no', "\n";
-echo 'DateMalformedPeriodException: ', class_exists('DateMalformedPeriodException', false) ? 'yes' : 'no', "\n";
-echo 'interval sub DateException: ', is_subclass_of('DateMalformedIntervalException', 'DateException') ? 'yes' : 'no', "\n";
-echo 'period sub DateException: ', is_subclass_of('DateMalformedPeriodException', 'DateException') ? 'yes' : 'no', "\n";
-
-try {
-    throw new DateMalformedIntervalException('interval test');
-} catch (DateException $e) {
-    echo "catch interval DateException: ok\n";
-}
-
-try {
-    throw new DateMalformedPeriodException('period test');
-} catch (DateException $e) {
-    echo "catch period DateException: ok\n";
-}
-
-try {
-    new DateInterval('bad');
-    echo "interval ctor: no throw\n";
-    exit(1);
-} catch (DateMalformedIntervalException $e) {
-    echo $e->getMessage(), "\n";
-}
diff --git a/test/repro/maintainer_gap_date_procedural_wrappers.php b/test/repro/maintainer_gap_date_procedural_wrappers.php
deleted file mode 100644
index e19abc3d06..0000000000
--- a/test/repro/maintainer_gap_date_procedural_wrappers.php
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php
-/**
- * Repro for #9219 — procedural date_* wrappers missing on VM.
- */
-$fs = [
-    'date_format',
-    'date_timestamp_get',
-    'date_timestamp_set',
-    'date_timezone_get',
-    'date_timezone_set',
-    'date_get_last_errors',
-];
-foreach ($fs as $f) {
-    echo $f, ' exists? ';
-    var_dump(function_exists($f));
-}
-$dt = date_create('2020-01-02T03:04:05+00:00');
-var_dump(date_format($dt, 'c'));
-var_dump(date_timestamp_get($dt));
diff --git a/test/repro/maintainer_gap_date_sun_info_timestamps.php b/test/repro/maintainer_gap_date_sun_info_timestamps.php
deleted file mode 100644
index 284e500972..0000000000
--- a/test/repro/maintainer_gap_date_sun_info_timestamps.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-declare(strict_types=1);
-// Issue #15629 — date_sun_info() sunrise/sunset must match Zend (ext/date/php_date.c)
-
-$t = strtotime('2020-06-21');
-$info = date_sun_info($t, 51.5, -0.1);
-$rise = date_sunrise($t, SUNFUNCS_RET_TIMESTAMP, 51.5, -0.1);
-$set = date_sunset($t, SUNFUNCS_RET_TIMESTAMP, 51.5, -0.1);
-
-$ok = true;
-if ($info['sunrise'] !== $rise || $info['sunset'] !== $set) {
-    fwrite(STDERR, "fail: sun_info sunrise={$info['sunrise']} sunset={$info['sunset']} rise={$rise} set={$set}\n");
-    $ok = false;
-}
-if ($info['sunrise'] !== 1592710857 || $info['sunset'] !== 1592771020) {
-    fwrite(STDERR, "fail: zend parity sunrise={$info['sunrise']} sunset={$info['sunset']}\n");
-    $ok = false;
-}
-
-echo $ok ? "ok\n" : "fail\n";
-exit($ok ? 0 : 1);
diff --git a/test/repro/maintainer_gap_fputcsv_escape_backslash.php b/test/repro/maintainer_gap_fputcsv_escape_backslash.php
deleted file mode 100644
index 7c1f17d3a5..0000000000
--- a/test/repro/maintainer_gap_fputcsv_escape_backslash.php
+++ /dev/null
@@ -1,38 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Repro #15383 — fputcsv() escape '\\' must not double backslashes (ext/standard/file.c).
- */
-$fp = fopen('php://memory', 'r+');
-if (false === $fp) {
-    fwrite(STDERR, "fail: fopen\n");
-    exit(1);
-}
-$written = fputcsv($fp, ['a\b'], ',', '"', '\\');
-if (false === $written) {
-    fwrite(STDERR, "fail: fputcsv returned false\n");
-    exit(1);
-}
-rewind($fp);
-$line = stream_get_contents($fp);
-fclose($fp);
-
-$expected = "\"a\\b\"\n";
-if ($line !== $expected) {
-    fwrite(STDERR, 'fail: got '.json_encode($line).' expected '.json_encode($expected)."\n");
-    exit(1);
-}
-
-$fp = fopen('php://memory', 'r+');
-fputcsv($fp, ['a\b'], ',', '"', '\\');
-rewind($fp);
-$row = fgetcsv($fp);
-fclose($fp);
-if (!is_array($row) || ($row[0] ?? null) !== 'a\b') {
-    fwrite(STDERR, 'fail: roundtrip got '.json_encode($row)."\n");
-    exit(1);
-}
-
-echo "ok\n";
diff --git a/test/repro/maintainer_gap_get_included_files_r_mode.php b/test/repro/maintainer_gap_get_included_files_r_mode.php
deleted file mode 100644
index af9a5a1e82..0000000000
--- a/test/repro/maintainer_gap_get_included_files_r_mode.php
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Issue #10279 — get_included_files() in php -r mode must not list virtual compile units.
- *
- * Verification (Zend + VM must print []):
- *   php -r 'echo json_encode(get_included_files()), PHP_EOL;'
- *   php bin/vm.php -r 'echo json_encode(get_included_files()), PHP_EOL;'
- */
-
-$included = get_included_files();
-$required = get_required_files();
-
-foreach (['Command line code', 'Standard input code', '-'] as $phantom) {
-    if (in_array($phantom, $included, true)) {
-        echo 'fail: phantom included entry ', $phantom, "\n";
-        exit(1);
-    }
-    if (in_array($phantom, $required, true)) {
-        echo 'fail: phantom required entry ', $phantom, "\n";
-        exit(1);
-    }
-}
-
-echo "ok\n";
diff --git a/test/repro/maintainer_gap_match_unqualified_enum_case.php b/test/repro/maintainer_gap_match_unqualified_enum_case.php
deleted file mode 100644
index e4d0867a26..0000000000
--- a/test/repro/maintainer_gap_match_unqualified_enum_case.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-/** Maintainer repro #15875 — bare enum case arm must not resolve when scrutinee is E::A. */
-enum E { case A; case B; }
-try {
-    echo match (E::A) {
-        A => 'ok',
-    };
-} catch (Throwable $e) {
-    echo get_class($e) . ': ' . $e->getMessage();
-}
diff --git a/test/repro/maintainer_gap_number_class.php b/test/repro/maintainer_gap_number_class.php
deleted file mode 100644
index e088df2699..0000000000
--- a/test/repro/maintainer_gap_number_class.php
+++ /dev/null
@@ -1,30 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Maintainer repro: BcMath\Number OOP surface on PHP 8.4 profile (#15705).
- *
- * php-src: ext/bcmath/bcmath.stub.php — BcMath\Number
- */
-
-use BcMath\Number;
-
-if (!class_exists(Number::class, false)) {
-    echo "fail: BcMath\\Number missing\n";
-    exit(1);
-}
-
-$a = new Number('1.5');
-$b = new Number('2.5');
-$result = $a->add($b);
-if (!$result instanceof Number) {
-    echo "fail: add() did not return Number\n";
-    exit(1);
-}
-if ('4.0' !== $result->value) {
-    echo 'fail: value=', var_export($result->value, true), " expected 4.0\n";
-    exit(1);
-}
-
-echo "ok\n";
diff --git a/test/repro/maintainer_gap_number_format_negative_decimals.php b/test/repro/maintainer_gap_number_format_negative_decimals.php
deleted file mode 100644
index 57c3afa36f..0000000000
--- a/test/repro/maintainer_gap_number_format_negative_decimals.php
+++ /dev/null
@@ -1,4 +0,0 @@
-<?php
-// Issue #15917 — negative $decimals ignored like 0 on Zend 8.2 (php-src ext/standard/number_format.c).
-echo number_format(1.5, -1), "\n";
-echo number_format(1234.5678, -1), "\n";
diff --git a/test/repro/maintainer_gap_scalar_method_call_error.php b/test/repro/maintainer_gap_scalar_method_call_error.php
deleted file mode 100644
index e02fce346c..0000000000
--- a/test/repro/maintainer_gap_scalar_method_call_error.php
+++ /dev/null
@@ -1,7 +0,0 @@
-<?php
-// Issue #15529: scalar/null method call must throw catchable Error (Zend/zend_execute.c).
-try {
-    (1)->m();
-} catch (Throwable $e) {
-    echo get_class($e) . ': ' . $e->getMessage() . "\n";
-}
diff --git a/test/repro/maintainer_gap_session_name_headers_sent.php b/test/repro/maintainer_gap_session_name_headers_sent.php
deleted file mode 100644
index c6c4b5f4f1..0000000000
--- a/test/repro/maintainer_gap_session_name_headers_sent.php
+++ /dev/null
@@ -1,13 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Zend vs php-compiler: session_name() after body output (#9376, ext/session/session.c).
- */
-
-echo 'body';
-var_export(session_name('custom'));
-echo "\n";
-var_export(session_name());
-echo "\n";
diff --git a/test/repro/maintainer_gap_sodium_aead_aes256gcm.php b/test/repro/maintainer_gap_sodium_aead_aes256gcm.php
deleted file mode 100644
index b8fad35741..0000000000
--- a/test/repro/maintainer_gap_sodium_aead_aes256gcm.php
+++ /dev/null
@@ -1,44 +0,0 @@
-<?php
-declare(strict_types=1);
-// Maintainer gap repro: sodium AES-256-GCM AEAD (#15542).
-
-if (!extension_loaded('sodium')) {
-    fwrite(STDERR, "skip: ext/sodium not loaded\n");
-    exit(0);
-}
-
-foreach ([
-    'sodium_crypto_aead_aes256gcm_is_available',
-    'sodium_crypto_aead_aes256gcm_encrypt',
-    'sodium_crypto_aead_aes256gcm_decrypt',
-] as $fn) {
-    if (!function_exists($fn)) {
-        fwrite(STDERR, "{$fn} not registered\n");
-        exit(1);
-    }
-}
-
-if (!sodium_crypto_aead_aes256gcm_is_available()) {
-    fwrite(STDERR, "skip: AES-256-GCM not available on host\n");
-    exit(0);
-}
-
-$key = random_bytes(SODIUM_CRYPTO_AEAD_AES256GCM_KEYBYTES);
-$npub = random_bytes(SODIUM_CRYPTO_AEAD_AES256GCM_NPUBBYTES);
-$msg = 'secret payload';
-$ad = 'header metadata';
-$ct = sodium_crypto_aead_aes256gcm_encrypt($msg, $ad, $npub, $key);
-$pt = sodium_crypto_aead_aes256gcm_decrypt($ct, $ad, $npub, $key);
-if ($pt !== $msg) {
-    fwrite(STDERR, "aead round-trip failed\n");
-    exit(1);
-}
-
-$bad = $ct;
-$bad[0] = chr(ord($bad[0]) ^ 0xff);
-if (false !== sodium_crypto_aead_aes256gcm_decrypt($bad, $ad, $npub, $key)) {
-    fwrite(STDERR, "tampered ciphertext should fail\n");
-    exit(1);
-}
-
-echo "aead_aes256gcm_ok\n";
diff --git a/test/repro/maintainer_gap_sodium_crypto_sign.php b/test/repro/maintainer_gap_sodium_crypto_sign.php
deleted file mode 100644
index a2f2b9cfbe..0000000000
--- a/test/repro/maintainer_gap_sodium_crypto_sign.php
+++ /dev/null
@@ -1,63 +0,0 @@
-<?php
-declare(strict_types=1);
-// Maintainer gap repro: sodium Ed25519 sign family (#15541).
-
-if (!extension_loaded('sodium')) {
-    fwrite(STDERR, "skip: ext/sodium not loaded\n");
-    exit(0);
-}
-
-foreach ([
-    'sodium_crypto_sign_keypair',
-    'sodium_crypto_sign_publickey',
-    'sodium_crypto_sign_secretkey',
-    'sodium_crypto_sign_publickey_from_secretkey',
-    'sodium_crypto_sign',
-    'sodium_crypto_sign_open',
-    'sodium_crypto_sign_detached',
-    'sodium_crypto_sign_verify_detached',
-] as $fn) {
-    if (!function_exists($fn)) {
-        fwrite(STDERR, "{$fn} not registered\n");
-        exit(1);
-    }
-}
-
-$kp = sodium_crypto_sign_keypair();
-$sk = sodium_crypto_sign_secretkey($kp);
-$pk = sodium_crypto_sign_publickey($kp);
-$pk2 = sodium_crypto_sign_publickey_from_secretkey($sk);
-if ($pk !== $pk2) {
-    fwrite(STDERR, "publickey_from_secretkey mismatch\n");
-    exit(1);
-}
-
-$msg = 'test message';
-$signed = sodium_crypto_sign($msg, $sk);
-$opened = sodium_crypto_sign_open($signed, $pk);
-if ($opened !== $msg) {
-    fwrite(STDERR, "sign/open round-trip failed\n");
-    exit(1);
-}
-
-$badPk = $pk;
-$badPk[0] = chr(ord($badPk[0]) ^ 0xff);
-if (false !== sodium_crypto_sign_open($signed, $badPk)) {
-    fwrite(STDERR, "bad signature should fail open\n");
-    exit(1);
-}
-
-$sig = sodium_crypto_sign_detached($msg, $sk);
-if (!sodium_crypto_sign_verify_detached($sig, $msg, $pk)) {
-    fwrite(STDERR, "verify_detached failed\n");
-    exit(1);
-}
-
-$badSig = $sig;
-$badSig[0] = chr(ord($badSig[0]) ^ 0xff);
-if (sodium_crypto_sign_verify_detached($badSig, $msg, $pk)) {
-    fwrite(STDERR, "tampered signature should fail verify\n");
-    exit(1);
-}
-
-echo "sign_ok\n";
diff --git a/test/repro/maintainer_gap_sodium_xchacha20_aead.php b/test/repro/maintainer_gap_sodium_xchacha20_aead.php
deleted file mode 100644
index 89894f0dc6..0000000000
--- a/test/repro/maintainer_gap_sodium_xchacha20_aead.php
+++ /dev/null
@@ -1,38 +0,0 @@
-<?php
-declare(strict_types=1);
-// Maintainer gap repro: sodium XChaCha20-Poly1305 AEAD (#15429).
-
-if (!extension_loaded('sodium')) {
-    fwrite(STDERR, "skip: ext/sodium not loaded\n");
-    exit(0);
-}
-
-foreach ([
-    'sodium_crypto_aead_xchacha20poly1305_ietf_encrypt',
-    'sodium_crypto_aead_xchacha20poly1305_ietf_decrypt',
-] as $fn) {
-    if (!function_exists($fn)) {
-        fwrite(STDERR, "{$fn} not registered\n");
-        exit(1);
-    }
-}
-
-$key = random_bytes(SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES);
-$npub = random_bytes(SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES);
-$msg = 'secret payload';
-$ad = 'header metadata';
-$ct = sodium_crypto_aead_xchacha20poly1305_ietf_encrypt($msg, $ad, $npub, $key);
-$pt = sodium_crypto_aead_xchacha20poly1305_ietf_decrypt($ct, $ad, $npub, $key);
-if ($pt !== $msg) {
-    fwrite(STDERR, "aead round-trip failed\n");
-    exit(1);
-}
-
-$bad = $ct;
-$bad[0] = chr(ord($bad[0]) ^ 0xff);
-if (false !== sodium_crypto_aead_xchacha20poly1305_ietf_decrypt($bad, $ad, $npub, $key)) {
-    fwrite(STDERR, "tampered ciphertext should fail\n");
-    exit(1);
-}
-
-echo "aead_ok\n";
diff --git a/test/repro/maintainer_gap_static_anonymous_class.php b/test/repro/maintainer_gap_static_anonymous_class.php
deleted file mode 100644
index 80f17d122d..0000000000
--- a/test/repro/maintainer_gap_static_anonymous_class.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Issue #15873 — static local anonymous class initializer must compile-fatal (Zend/zend_compile.c).
- */
-function f(): void
-{
-    static $x = new class {};
-    echo "ok\n";
-}
-
-f();
diff --git a/test/repro/maintainer_gap_str_getcsv_escape_enclosure.php b/test/repro/maintainer_gap_str_getcsv_escape_enclosure.php
deleted file mode 100644
index 79e05a0af7..0000000000
--- a/test/repro/maintainer_gap_str_getcsv_escape_enclosure.php
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Issue #9303 — str_getcsv()/fgetcsv() when escape equals enclosure (ext/standard/file.c).
- */
-
-$line = 'a,"b""c",d';
-$row = str_getcsv($line, ',', '"', '"');
-$expected = ['a', 'b"c', 'd'];
-if ($row !== $expected) {
-    echo 'fail: str_getcsv got ', var_export($row, true), ' expected ', var_export($expected, true), "\n";
-    exit(1);
-}
-
-$f = fopen('php://memory', 'r+');
-fwrite($f, $line."\n");
-rewind($f);
-$frow = fgetcsv($f, 0, ',', '"', '"');
-fclose($f);
-if ($frow !== $expected) {
-    echo 'fail: fgetcsv got ', var_export($frow, true), ' expected ', var_export($expected, true), "\n";
-    exit(1);
-}
-
-echo "ok\n";
diff --git a/test/repro/maintainer_gap_sys_getloadavg_nested_call_arg.php b/test/repro/maintainer_gap_sys_getloadavg_nested_call_arg.php
deleted file mode 100644
index e160ba87d1..0000000000
--- a/test/repro/maintainer_gap_sys_getloadavg_nested_call_arg.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Maintainer repro: zero-arg array-return builtin nested in call argument (#15438).
- */
-
-echo var_export(sys_getloadavg(), true), "\n";
-
-$a = sys_getloadavg();
-echo var_export($a, true), "\n";
diff --git a/test/repro/maintainer_gap_try_catch_else.php b/test/repro/maintainer_gap_try_catch_else.php
deleted file mode 100644
index fef27905c4..0000000000
--- a/test/repro/maintainer_gap_try_catch_else.php
+++ /dev/null
@@ -1,8 +0,0 @@
-<?php
-// Maintainer repro for #15817 — try/catch/else on PHP 8.4 forward profile.
-try {
-    echo "try\n";
-} catch (Throwable) {
-} else {
-    echo "else\n";
-}
diff --git a/test/repro/maintainer_gap_typed_class_const_syntax.php b/test/repro/maintainer_gap_typed_class_const_syntax.php
deleted file mode 100644
index de0e411d18..0000000000
--- a/test/repro/maintainer_gap_typed_class_const_syntax.php
+++ /dev/null
@@ -1,15 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Issue #15367 — typed class constants parse/compile on 8.3+ forward profile.
- *
- * ./script/docker-exec.sh -- bash -lc 'php bin/vm.php test/repro/maintainer_gap_typed_class_const_syntax.php'
- */
-class Foo
-{
-    public const string FOO = 'bar';
-}
-
-echo Foo::FOO, "\n";
diff --git a/test/repro/maintainer_gap_uasort_equal_tie_order.php b/test/repro/maintainer_gap_uasort_equal_tie_order.php
deleted file mode 100644
index feaf4f999b..0000000000
--- a/test/repro/maintainer_gap_uasort_equal_tie_order.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-// Maintainer repro for #13762 — uasort() equal-comparator ties preserve key order.
-$rows = [
-    'a' => 1,
-    'c' => 2,
-    'b' => 2,
-];
-uasort($rows, static fn ($x, $y) => $x <=> $y);
-$order = implode(',', array_keys($rows));
-echo 'a,c,b' === $order ? "ok\n" : "fail: key order $order expected a,c,b\n";
diff --git a/test/repro/maintainer_gap_uasort_equal_tie_order_large.php b/test/repro/maintainer_gap_uasort_equal_tie_order_large.php
deleted file mode 100644
index f0751544a1..0000000000
--- a/test/repro/maintainer_gap_uasort_equal_tie_order_large.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-// Maintainer repro for #13762 — uasort() ties with 17+ elements (quicksort path).
-$rows = [];
-for ($i = 0; $i < 20; ++$i) {
-    $rows[chr(97 + $i)] = $i % 3;
-}
-uasort($rows, static fn ($x, $y) => $x <=> $y);
-$order = implode(',', array_keys($rows));
-$expect = 'a,d,g,j,m,p,s,b,e,h,k,n,q,t,c,f,i,l,o,r';
-echo $expect === $order ? "ok\n" : "fail: key order $order expected $expect\n";
diff --git a/test/repro/maintainer_gap_unset_dynamic_property_exists.php b/test/repro/maintainer_gap_unset_dynamic_property_exists.php
deleted file mode 100644
index f0ea160dac..0000000000
--- a/test/repro/maintainer_gap_unset_dynamic_property_exists.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Repro for #15750 — property_exists() after unset() on dynamic properties.
- */
-
-class UserDyn
-{
-}
-
-$o = new stdClass();
-$o->x = 1;
-unset($o->x);
-
-$c = new UserDyn();
-$c->dyn = 1;
-unset($c->dyn);
-
-$stdOk = !property_exists($o, 'x')
-    && !isset($o->x)
-    && !array_key_exists('x', get_object_vars($o));
-
-$userOk = !property_exists($c, 'dyn')
-    && !isset($c->dyn)
-    && !array_key_exists('dyn', get_object_vars($c));
-
-echo 'property_exists_std=', property_exists($o, 'x') ? '1' : '0', "\n";
-echo 'property_exists_user=', property_exists($c, 'dyn') ? '1' : '0', "\n";
-echo 'isset_std=', isset($o->x) ? '1' : '0', "\n";
-echo 'isset_user=', isset($c->dyn) ? '1' : '0', "\n";
-echo 'vars_std=', array_key_exists('x', get_object_vars($o)) ? '1' : '0', "\n";
-echo 'vars_user=', array_key_exists('dyn', get_object_vars($c)) ? '1' : '0', "\n";
-
-exit($stdOk && $userOk ? 0 : 1);
diff --git a/test/repro/maintainer_gap_usort_equal_tie_order.php b/test/repro/maintainer_gap_usort_equal_tie_order.php
deleted file mode 100644
index faa6ee2775..0000000000
--- a/test/repro/maintainer_gap_usort_equal_tie_order.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-// Maintainer repro for #13762 — usort() equal-comparator ties preserve insertion order.
-$rows = [
-    ['id' => 'a', 'v' => 1],
-    ['id' => 'c', 'v' => 2],
-    ['id' => 'b', 'v' => 2],
-];
-usort($rows, static fn ($x, $y) => $x['v'] <=> $y['v']);
-$order = implode(',', array_column($rows, 'id'));
-echo 'a,c,b' === $order ? "ok\n" : "fail: row order $order expected a,c,b\n";
diff --git a/test/repro/maintainer_gap_usort_equal_tie_order_large.php b/test/repro/maintainer_gap_usort_equal_tie_order_large.php
deleted file mode 100644
index cab7fd2202..0000000000
--- a/test/repro/maintainer_gap_usort_equal_tie_order_large.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-// Maintainer repro for #13762 — usort() ties with 17+ elements (quicksort path).
-$rows = [];
-for ($i = 0; $i < 20; ++$i) {
-    $rows[] = ['id' => chr(97 + $i), 'v' => $i % 3];
-}
-usort($rows, static fn ($x, $y) => $x['v'] <=> $y['v']);
-$order = implode(',', array_column($rows, 'id'));
-$expect = 'a,d,g,j,m,p,s,b,e,h,k,n,q,t,c,f,i,l,o,r';
-echo $expect === $order ? "ok\n" : "fail: row order $order expected $expect\n";
diff --git a/test/repro/maintainer_gap_var_dump_property_exists_isset.php b/test/repro/maintainer_gap_var_dump_property_exists_isset.php
deleted file mode 100644
index f954bc5920..0000000000
--- a/test/repro/maintainer_gap_var_dump_property_exists_isset.php
+++ /dev/null
@@ -1,15 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Repro for #15646 — var_dump(property_exists(), isset()) on uninitialized typed property.
- */
-
-class C
-{
-    public int $x;
-}
-
-$o = new C();
-var_dump(property_exists($o, 'x'), isset($o->x));
diff --git a/test/repro/maintainer_gap_var_export_array_inline_call.php b/test/repro/maintainer_gap_var_export_array_inline_call.php
deleted file mode 100644
index b300688c9a..0000000000
--- a/test/repro/maintainer_gap_var_export_array_inline_call.php
+++ /dev/null
@@ -1,15 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-// Issue #15783 — var_export() on array literal with inline call elements.
-
-var_export([0, strlen('x')]);
-echo "\n";
-
-var_export([true, strlen('ab')]);
-echo "\n";
-
-$dt = new DateTime('2020-01-01');
-var_export([$dt instanceof DateTime, $dt->format('Y-m-d')]);
-echo "\n";