diff --git a/.github/scripts/windows/test_task.bat b/.github/scripts/windows/test_task.bat
index b719d288e6688..8498519b9a5ea 100644
--- a/.github/scripts/windows/test_task.bat
+++ b/.github/scripts/windows/test_task.bat
@@ -84,8 +84,6 @@ rem set SSLEAY_CONF=
 
 rem prepare for OPcache
 if "%OPCACHE%" equ "1" set OPCACHE_OPTS=-d opcache.enable=1 -d opcache.enable_cli=1 -d opcache.protect_memory=1 -d opcache.jit_buffer_size=64M -d opcache.jit=tracing
-rem work-around for failing to dl(mysqli) with OPcache (https://github.com/php/php-src/issues/8508)
-if "%OPCACHE%" equ "1" set OPCACHE_OPTS=%OPCACHE_OPTS% -d extension=mysqli
 
 rem prepare for enchant
 mkdir %~d0\usr\local\lib\enchant-2
diff --git a/run-tests.php b/run-tests.php
index 5587c6c0aeb17..0dee752d32044 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -867,7 +867,7 @@ function write_information(array $user_tests, $phpdbg): void
         $ext_dir = ini_get('extension_dir');
         foreach (scandir($ext_dir) as $file) {
             if (preg_match('/^(?:php_)?([_a-zA-Z0-9]+)\.(?:so|dll)$/', $file, $matches)) {
-                if (!extension_loaded($matches[1]) && @dl($matches[1])) {
+                if (!extension_loaded($matches[1])) {
                     $exts[] = $matches[1];
                 }
             }