diff --git a/ext/dom/tests/libxml_global_state_entity_loader_bypass.phpt b/ext/dom/tests/libxml_global_state_entity_loader_bypass.phpt
index b28afd4694e..7fc2a249ac7 100644
--- a/ext/dom/tests/libxml_global_state_entity_loader_bypass.phpt
+++ b/ext/dom/tests/libxml_global_state_entity_loader_bypass.phpt
@@ -5,6 +5,7 @@ GHSA-3qrf-m4j2-pcrr (libxml global state entity loader bypass)
 if (!extension_loaded('libxml')) die('skip libxml extension not available');
 if (!extension_loaded('dom')) die('skip dom extension not available');
 if (!extension_loaded('zend-test')) die('skip zend-test extension not available');
+if (!function_exists('zend_test_override_libxml_global_state')) die('skip not for Windows');
 ?>
 --FILE--
 <?php
diff --git a/ext/simplexml/tests/libxml_global_state_entity_loader_bypass.phpt b/ext/simplexml/tests/libxml_global_state_entity_loader_bypass.phpt
index 2152e012328..54f9d4941eb 100644
--- a/ext/simplexml/tests/libxml_global_state_entity_loader_bypass.phpt
+++ b/ext/simplexml/tests/libxml_global_state_entity_loader_bypass.phpt
@@ -5,6 +5,7 @@ GHSA-3qrf-m4j2-pcrr (libxml global state entity loader bypass)
 if (!extension_loaded('libxml')) die('skip libxml extension not available');
 if (!extension_loaded('simplexml')) die('skip simplexml extension not available');
 if (!extension_loaded('zend-test')) die('skip zend-test extension not available');
+if (!function_exists('zend_test_override_libxml_global_state')) die('skip not for Windows');
 ?>
 --FILE--
 <?php
diff --git a/ext/xmlreader/tests/libxml_global_state_entity_loader_bypass.phpt b/ext/xmlreader/tests/libxml_global_state_entity_loader_bypass.phpt
index e9ffb04c2bb..cb0297b6b1b 100644
--- a/ext/xmlreader/tests/libxml_global_state_entity_loader_bypass.phpt
+++ b/ext/xmlreader/tests/libxml_global_state_entity_loader_bypass.phpt
@@ -5,6 +5,7 @@ GHSA-3qrf-m4j2-pcrr (libxml global state entity loader bypass)
 if (!extension_loaded('libxml')) die('skip libxml extension not available');
 if (!extension_loaded('xmlreader')) die('skip xmlreader extension not available');
 if (!extension_loaded('zend-test')) die('skip zend-test extension not available');
+if (!function_exists('zend_test_override_libxml_global_state')) die('skip not for Windows');
 ?>
 --FILE--
 <?php
diff --git a/ext/zend_test/test.c b/ext/zend_test/test.c
index ca8782c546c..ff5221e8a00 100644
--- a/ext/zend_test/test.c
+++ b/ext/zend_test/test.c
@@ -29,7 +29,7 @@
 #include "zend_smart_str.h"
 #include "zend_weakrefs.h"
 
-#ifdef HAVE_LIBXML
+#if defined(HAVE_LIBXML) && !defined(PHP_WIN32)
 # include <libxml/globals.h>
 # include <libxml/parser.h>
 #endif
@@ -275,6 +275,7 @@ static ZEND_FUNCTION(zend_get_current_func_name)
     RETURN_STR(function_name);
 }
 
+#if defined(HAVE_LIBXML) && !defined(PHP_WIN32)
 static ZEND_FUNCTION(zend_test_override_libxml_global_state)
 {
 	ZEND_PARSE_PARAMETERS_NONE();
@@ -286,6 +287,7 @@ static ZEND_FUNCTION(zend_test_override_libxml_global_state)
 	(void) xmlLineNumbersDefault(1);
 	(void) xmlKeepBlanksDefault(0);
 }
+#endif
 
 /* TESTS Z_PARAM_ITERABLE and Z_PARAM_ITERABLE_OR_NULL */
 static ZEND_FUNCTION(zend_iterable)
diff --git a/ext/zend_test/test.stub.php b/ext/zend_test/test.stub.php
index fe917dbc8dd..ddb7a291dde 100644
--- a/ext/zend_test/test.stub.php
+++ b/ext/zend_test/test.stub.php
@@ -68,7 +68,7 @@ function zend_weakmap_dump(): array {}
 
 function zend_get_current_func_name(): string {}
 
-#ifdef HAVE_LIBXML
+#if defined(HAVE_LIBXML) && !defined(PHP_WIN32)
 function zend_test_override_libxml_global_state(): void {}
 #endif
 
diff --git a/ext/zend_test/test_arginfo.h b/ext/zend_test/test_arginfo.h
index 73a84458393..c16035b147b 100644
--- a/ext/zend_test/test_arginfo.h
+++ b/ext/zend_test/test_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 8cfd05fb9f7524837d23f92b185fcd30f964521f */
+ * Stub hash: eb79a01021e58731bfbefab320569fbb0997276a */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_zend_test_array_return, 0, 0, IS_ARRAY, 0)
 ZEND_END_ARG_INFO()
@@ -65,7 +65,7 @@ ZEND_END_ARG_INFO()
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_zend_get_current_func_name, 0, 0, IS_STRING, 0)
 ZEND_END_ARG_INFO()
 
-#if defined(HAVE_LIBXML)
+#if defined(HAVE_LIBXML) && !defined(PHP_WIN32)
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_zend_test_override_libxml_global_state, 0, 0, IS_VOID, 0)
 ZEND_END_ARG_INFO()
 #endif
@@ -106,7 +106,7 @@ static ZEND_FUNCTION(zend_weakmap_attach);
 static ZEND_FUNCTION(zend_weakmap_remove);
 static ZEND_FUNCTION(zend_weakmap_dump);
 static ZEND_FUNCTION(zend_get_current_func_name);
-#if defined(HAVE_LIBXML)
+#if defined(HAVE_LIBXML) && !defined(PHP_WIN32)
 static ZEND_FUNCTION(zend_test_override_libxml_global_state);
 #endif
 static ZEND_FUNCTION(namespaced_func);
@@ -136,7 +136,7 @@ static const zend_function_entry ext_functions[] = {
 	ZEND_FE(zend_weakmap_remove, arginfo_zend_weakmap_remove)
 	ZEND_FE(zend_weakmap_dump, arginfo_zend_weakmap_dump)
 	ZEND_FE(zend_get_current_func_name, arginfo_zend_get_current_func_name)
-#if defined(HAVE_LIBXML)
+#if defined(HAVE_LIBXML) && !defined(PHP_WIN32)
 	ZEND_FE(zend_test_override_libxml_global_state, arginfo_zend_test_override_libxml_global_state)
 #endif
 	ZEND_NS_FE("ZendTestNS2\\ZendSubNS", namespaced_func, arginfo_ZendTestNS2_ZendSubNS_namespaced_func)