diff --git a/nan.h b/nan.h
index 9e7c59e4..0ea9909b 100644
--- a/nan.h
+++ b/nan.h
@@ -2509,6 +2509,53 @@ inline void SetPrototypeMethod(
 
 //=== Accessors and Such =======================================================
 
+NAN_DEPRECATED inline void SetAccessor(
+    v8::Local<v8::ObjectTemplate> tpl
+  , v8::Local<v8::String> name
+  , GetterCallback getter
+  , SetterCallback setter
+  , v8::Local<v8::Value> data
+  , v8::AccessControl settings
+  , v8::PropertyAttribute attribute
+  , imp::Sig signature) {
+  HandleScope scope;
+
+  imp::NativeGetter getter_ =
+      imp::GetterCallbackWrapper;
+  imp::NativeSetter setter_ =
+      setter ? imp::SetterCallbackWrapper : 0;
+
+  v8::Local<v8::ObjectTemplate> otpl = New<v8::ObjectTemplate>();
+  otpl->SetInternalFieldCount(imp::kAccessorFieldCount);
+  v8::Local<v8::Object> obj = NewInstance(otpl).ToLocalChecked();
+
+  obj->SetInternalField(
+      imp::kGetterIndex
+    , New<v8::External>(reinterpret_cast<void *>(getter)));
+
+  if (setter != 0) {
+    obj->SetInternalField(
+        imp::kSetterIndex
+      , New<v8::External>(reinterpret_cast<void *>(setter)));
+  }
+
+  if (!data.IsEmpty()) {
+    obj->SetInternalField(imp::kDataIndex, data);
+  }
+
+  tpl->SetAccessor(
+      name
+    , getter_
+    , setter_
+    , obj
+    , settings
+    , attribute
+#if (NODE_MODULE_VERSION < NODE_16_0_MODULE_VERSION)
+    , signature
+#endif
+  );
+}
+
 inline void SetAccessor(
     v8::Local<v8::ObjectTemplate> tpl
   , v8::Local<v8::String> name
@@ -2516,8 +2563,7 @@ inline void SetAccessor(
   , SetterCallback setter = 0
   , v8::Local<v8::Value> data = v8::Local<v8::Value>()
   , v8::AccessControl settings = v8::DEFAULT
-  , v8::PropertyAttribute attribute = v8::None
-  , imp::Sig signature = imp::Sig()) {
+  , v8::PropertyAttribute attribute = v8::None) {
   HandleScope scope;
 
   imp::NativeGetter getter_ =
@@ -2550,9 +2596,6 @@ inline void SetAccessor(
     , obj
     , settings
     , attribute
-#if (NODE_MODULE_VERSION < NODE_18_0_MODULE_VERSION)
-    , signature
-#endif
   );
 }
 
diff --git a/nan_callbacks.h b/nan_callbacks.h
index 53ede846..93eb2ab4 100644
--- a/nan_callbacks.h
+++ b/nan_callbacks.h
@@ -52,7 +52,11 @@ typedef void(*IndexQueryCallback)(
     const PropertyCallbackInfo<v8::Integer>&);
 
 namespace imp {
+#if (NODE_MODULE_VERSION < NODE_16_0_MODULE_VERSION)
 typedef v8::Local<v8::AccessorSignature> Sig;
+#else
+typedef v8::Local<v8::Data> Sig;
+#endif
 
 static const int kDataIndex =                    0;