diff --git a/src/ArduinoJson/Array/JsonArray.hpp b/src/ArduinoJson/Array/JsonArray.hpp
index 766c1531..2a0f0fb8 100644
--- a/src/ArduinoJson/Array/JsonArray.hpp
+++ b/src/ArduinoJson/Array/JsonArray.hpp
@@ -171,32 +171,6 @@ class JsonArray : public detail::VariantOperators<JsonArray> {
   detail::ResourceManager* resources_;
 };
 
-template <>
-struct Converter<JsonArray> : private detail::VariantAttorney {
-  static void toJson(JsonVariantConst src, JsonVariant dst) {
-    detail::VariantData::copy(getData(dst), getData(src),
-                              getResourceManager(dst));
-  }
-
-  static JsonArray fromJson(JsonVariant src) {
-    auto data = getData(src);
-    auto resources = getResourceManager(src);
-    return JsonArray(data != 0 ? data->asArray() : 0, resources);
-  }
-
-  static detail::InvalidConversion<JsonVariantConst, JsonArray> fromJson(
-      JsonVariantConst);
-
-  static bool checkJson(JsonVariantConst) {
-    return false;
-  }
-
-  static bool checkJson(JsonVariant src) {
-    auto data = getData(src);
-    return data && data->isArray();
-  }
-};
-
 ARDUINOJSON_END_PUBLIC_NAMESPACE
 
 ARDUINOJSON_BEGIN_PRIVATE_NAMESPACE
diff --git a/src/ArduinoJson/Array/JsonArrayConst.hpp b/src/ArduinoJson/Array/JsonArrayConst.hpp
index 6c039d0f..d9816cf8 100644
--- a/src/ArduinoJson/Array/JsonArrayConst.hpp
+++ b/src/ArduinoJson/Array/JsonArrayConst.hpp
@@ -93,25 +93,6 @@ class JsonArrayConst : public detail::VariantOperators<JsonArrayConst> {
   const detail::ResourceManager* resources_;
 };
 
-template <>
-struct Converter<JsonArrayConst> : private detail::VariantAttorney {
-  static void toJson(JsonVariantConst src, JsonVariant dst) {
-    detail::VariantData::copy(getData(dst), getData(src),
-                              getResourceManager(dst));
-  }
-
-  static JsonArrayConst fromJson(JsonVariantConst src) {
-    auto data = getData(src);
-    auto array = data ? data->asArray() : nullptr;
-    return JsonArrayConst(array, getResourceManager(src));
-  }
-
-  static bool checkJson(JsonVariantConst src) {
-    auto data = getData(src);
-    return data && data->isArray();
-  }
-};
-
 // Compares the content of two arrays.
 // Returns true if the two arrays are equal.
 inline bool operator==(JsonArrayConst lhs, JsonArrayConst rhs) {
diff --git a/src/ArduinoJson/Object/JsonObject.hpp b/src/ArduinoJson/Object/JsonObject.hpp
index 5ff121d7..0e26c8de 100644
--- a/src/ArduinoJson/Object/JsonObject.hpp
+++ b/src/ArduinoJson/Object/JsonObject.hpp
@@ -202,32 +202,6 @@ class JsonObject : public detail::VariantOperators<JsonObject> {
   detail::ResourceManager* resources_;
 };
 
-template <>
-struct Converter<JsonObject> : private detail::VariantAttorney {
-  static void toJson(JsonVariantConst src, JsonVariant dst) {
-    detail::VariantData::copy(getData(dst), getData(src),
-                              getResourceManager(dst));
-  }
-
-  static JsonObject fromJson(JsonVariant src) {
-    auto data = getData(src);
-    auto resources = getResourceManager(src);
-    return JsonObject(data != 0 ? data->asObject() : 0, resources);
-  }
-
-  static detail::InvalidConversion<JsonVariantConst, JsonObject> fromJson(
-      JsonVariantConst);
-
-  static bool checkJson(JsonVariantConst) {
-    return false;
-  }
-
-  static bool checkJson(JsonVariant src) {
-    auto data = getData(src);
-    return data && data->isObject();
-  }
-};
-
 ARDUINOJSON_END_PUBLIC_NAMESPACE
 
 ARDUINOJSON_BEGIN_PRIVATE_NAMESPACE
diff --git a/src/ArduinoJson/Object/JsonObjectConst.hpp b/src/ArduinoJson/Object/JsonObjectConst.hpp
index 9b55b892..49dcaffc 100644
--- a/src/ArduinoJson/Object/JsonObjectConst.hpp
+++ b/src/ArduinoJson/Object/JsonObjectConst.hpp
@@ -118,25 +118,6 @@ class JsonObjectConst : public detail::VariantOperators<JsonObjectConst> {
   const detail::ResourceManager* resources_;
 };
 
-template <>
-struct Converter<JsonObjectConst> : private detail::VariantAttorney {
-  static void toJson(JsonVariantConst src, JsonVariant dst) {
-    detail::VariantData::copy(getData(dst), getData(src),
-                              getResourceManager(dst));
-  }
-
-  static JsonObjectConst fromJson(JsonVariantConst src) {
-    auto data = getData(src);
-    auto object = data != 0 ? data->asObject() : nullptr;
-    return JsonObjectConst(object, getResourceManager(src));
-  }
-
-  static bool checkJson(JsonVariantConst src) {
-    auto data = getData(src);
-    return data && data->isObject();
-  }
-};
-
 inline bool operator==(JsonObjectConst lhs, JsonObjectConst rhs) {
   if (!lhs && !rhs)  // both are null
     return true;
diff --git a/src/ArduinoJson/Variant/ConverterImpl.hpp b/src/ArduinoJson/Variant/ConverterImpl.hpp
index b52b39b5..3f80b244 100644
--- a/src/ArduinoJson/Variant/ConverterImpl.hpp
+++ b/src/ArduinoJson/Variant/ConverterImpl.hpp
@@ -300,4 +300,94 @@ struct ConverterNeedsWriteableRef {
 };
 }  // namespace detail
 
+template <>
+struct Converter<JsonArrayConst> : private detail::VariantAttorney {
+  static void toJson(JsonVariantConst src, JsonVariant dst) {
+    detail::VariantData::copy(getData(dst), getData(src),
+                              getResourceManager(dst));
+  }
+
+  static JsonArrayConst fromJson(JsonVariantConst src) {
+    auto data = getData(src);
+    auto array = data ? data->asArray() : nullptr;
+    return JsonArrayConst(array, getResourceManager(src));
+  }
+
+  static bool checkJson(JsonVariantConst src) {
+    auto data = getData(src);
+    return data && data->isArray();
+  }
+};
+
+template <>
+struct Converter<JsonArray> : private detail::VariantAttorney {
+  static void toJson(JsonVariantConst src, JsonVariant dst) {
+    detail::VariantData::copy(getData(dst), getData(src),
+                              getResourceManager(dst));
+  }
+
+  static JsonArray fromJson(JsonVariant src) {
+    auto data = getData(src);
+    auto resources = getResourceManager(src);
+    return JsonArray(data != 0 ? data->asArray() : 0, resources);
+  }
+
+  static detail::InvalidConversion<JsonVariantConst, JsonArray> fromJson(
+      JsonVariantConst);
+
+  static bool checkJson(JsonVariantConst) {
+    return false;
+  }
+
+  static bool checkJson(JsonVariant src) {
+    auto data = getData(src);
+    return data && data->isArray();
+  }
+};
+
+template <>
+struct Converter<JsonObjectConst> : private detail::VariantAttorney {
+  static void toJson(JsonVariantConst src, JsonVariant dst) {
+    detail::VariantData::copy(getData(dst), getData(src),
+                              getResourceManager(dst));
+  }
+
+  static JsonObjectConst fromJson(JsonVariantConst src) {
+    auto data = getData(src);
+    auto object = data != 0 ? data->asObject() : nullptr;
+    return JsonObjectConst(object, getResourceManager(src));
+  }
+
+  static bool checkJson(JsonVariantConst src) {
+    auto data = getData(src);
+    return data && data->isObject();
+  }
+};
+
+template <>
+struct Converter<JsonObject> : private detail::VariantAttorney {
+  static void toJson(JsonVariantConst src, JsonVariant dst) {
+    detail::VariantData::copy(getData(dst), getData(src),
+                              getResourceManager(dst));
+  }
+
+  static JsonObject fromJson(JsonVariant src) {
+    auto data = getData(src);
+    auto resources = getResourceManager(src);
+    return JsonObject(data != 0 ? data->asObject() : 0, resources);
+  }
+
+  static detail::InvalidConversion<JsonVariantConst, JsonObject> fromJson(
+      JsonVariantConst);
+
+  static bool checkJson(JsonVariantConst) {
+    return false;
+  }
+
+  static bool checkJson(JsonVariant src) {
+    auto data = getData(src);
+    return data && data->isObject();
+  }
+};
+
 ARDUINOJSON_END_PUBLIC_NAMESPACE