diff --git a/src/ArduinoJson/MsgPack/MsgPackDeserializer.hpp b/src/ArduinoJson/MsgPack/MsgPackDeserializer.hpp
index 0a79461e..cb81e5c5 100644
--- a/src/ArduinoJson/MsgPack/MsgPackDeserializer.hpp
+++ b/src/ArduinoJson/MsgPack/MsgPackDeserializer.hpp
@@ -24,10 +24,10 @@ class MsgPackDeserializer {
         foundSomething_(false) {}
 
   template <typename TFilter>
-  DeserializationError parse(VariantData& variant, TFilter filter,
+  DeserializationError parse(VariantData* variant, TFilter filter,
                              DeserializationOption::NestingLimit nestingLimit) {
     DeserializationError::Code err;
-    err = parseVariant(&variant, filter, nestingLimit);
+    err = parseVariant(variant, filter, nestingLimit);
     return foundSomething_ ? err : DeserializationError::EmptyInput;
   }
 
diff --git a/src/ArduinoJson/Variant/JsonVariantConst.hpp b/src/ArduinoJson/Variant/JsonVariantConst.hpp
index 6d6d4910..46683926 100644
--- a/src/ArduinoJson/Variant/JsonVariantConst.hpp
+++ b/src/ArduinoJson/Variant/JsonVariantConst.hpp
@@ -157,7 +157,7 @@ class JsonVariantConst : public detail::VariantTag,
                                 int> = 0>
   ARDUINOJSON_DEPRECATED("use obj[\"key\"].is<T>() instead")
   bool containsKey(TChar* key) const {
-    return impl_getMember(detail::adaptString(key)) != 0;
+    return impl_.getMember(detail::adaptString(key)) != 0;
   }
 
   // DEPRECATED: use obj[key].is<T>() instead
diff --git a/src/ArduinoJson/Variant/VariantRefBase.hpp b/src/ArduinoJson/Variant/VariantRefBase.hpp
index eb44c1f5..3ad24fb8 100644
--- a/src/ArduinoJson/Variant/VariantRefBase.hpp
+++ b/src/ArduinoJson/Variant/VariantRefBase.hpp
@@ -29,7 +29,7 @@ class VariantRefBase : public VariantTag {
   // Sets the value to null.
   // https://arduinojson.org/v7/api/jsonvariant/clear/
   void clear() const {
-    getOrCreateVariantImpl().clear(getResourceManager());
+    getOrCreateVariantImpl().clear();
   }
 
   // Returns true if the value is null or the reference is unbound.