diff --git a/rules-tests/DeadCode/Rector/ClassMethod/RemoveUnusedPrivateMethodParameterRector/Fixture/skip_get_defined_vars.php.inc b/rules-tests/DeadCode/Rector/ClassMethod/RemoveUnusedPrivateMethodParameterRector/Fixture/skip_get_defined_vars.php.inc
new file mode 100644
index 00000000000..96ff2bda894
--- /dev/null
+++ b/rules-tests/DeadCode/Rector/ClassMethod/RemoveUnusedPrivateMethodParameterRector/Fixture/skip_get_defined_vars.php.inc
@@ -0,0 +1,11 @@
+<?php
+
+namespace Rector\Tests\DeadCode\Rector\ClassMethod\RemoveUnusedPrivateMethodParameterRector\Fixture;
+
+final class SkipGetDefinedVars
+{
+    private function example($value): array
+    {
+        return get_defined_vars();
+    }
+}
diff --git a/src/NodeAnalyzer/ParamAnalyzer.php b/src/NodeAnalyzer/ParamAnalyzer.php
index 8e29401c338..df9af8b48ac 100644
--- a/src/NodeAnalyzer/ParamAnalyzer.php
+++ b/src/NodeAnalyzer/ParamAnalyzer.php
@@ -29,7 +29,7 @@
     /**
      * @var string[]
      */
-    private const VARIADIC_FUNCTION_NAMES = ['func_get_arg', 'func_get_args', 'func_num_args'];
+    private const VARIADIC_FUNCTION_NAMES = ['func_get_arg', 'func_get_args', 'func_num_args', 'get_defined_vars'];
 
     public function __construct(
         private NodeComparator $nodeComparator,