diff --git a/src/ArduinoJson/Array/ArrayFunctions.hpp b/src/ArduinoJson/Array/ArrayFunctions.hpp
deleted file mode 100644
index 81ffa50f..00000000
--- a/src/ArduinoJson/Array/ArrayFunctions.hpp
+++ /dev/null
@@ -1,15 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright © 2014-2022, Benoit BLANCHON
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Collection/CollectionData.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-inline VariantData* arrayAdd(CollectionData* arr, MemoryPool* pool) {
-  return arr ? arr->addElement(pool) : 0;
-}
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/src/ArduinoJson/Array/ArrayRef.hpp b/src/ArduinoJson/Array/ArrayRef.hpp
index dc94f634..5cf5857a 100644
--- a/src/ArduinoJson/Array/ArrayRef.hpp
+++ b/src/ArduinoJson/Array/ArrayRef.hpp
@@ -4,7 +4,6 @@
 
 #pragma once
 
-#include <ArduinoJson/Array/ArrayFunctions.hpp>
 #include <ArduinoJson/Array/ArrayIterator.hpp>
 #include <ArduinoJson/Array/ElementProxy.hpp>
 #include <ArduinoJson/Variant/VariantAttorney.hpp>
@@ -124,7 +123,9 @@ class ArrayRef : public ArrayRefBase<CollectionData>,
   }
 
   VariantRef add() const {
-    return VariantRef(_pool, arrayAdd(_data, _pool));
+    if (!_data)
+      return VariantRef();
+    return VariantRef(_pool, _data->addElement(_pool));
   }
 
   template <typename T>
diff --git a/src/ArduinoJson/Object/ObjectFunctions.hpp b/src/ArduinoJson/Object/ObjectFunctions.hpp
deleted file mode 100644
index 06534b3b..00000000
--- a/src/ArduinoJson/Object/ObjectFunctions.hpp
+++ /dev/null
@@ -1,25 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright © 2014-2022, Benoit BLANCHON
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Collection/CollectionData.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <typename TAdaptedString>
-inline VariantData* objectGetMember(const CollectionData* obj,
-                                    TAdaptedString key) {
-  if (!obj)
-    return 0;
-  return obj->getMember(key);
-}
-
-template <typename TAdaptedString>
-void objectRemove(CollectionData* obj, TAdaptedString key) {
-  if (!obj)
-    return;
-  obj->removeMember(key);
-}
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/src/ArduinoJson/Object/ObjectRef.hpp b/src/ArduinoJson/Object/ObjectRef.hpp
index 69f469db..8e9b84ad 100644
--- a/src/ArduinoJson/Object/ObjectRef.hpp
+++ b/src/ArduinoJson/Object/ObjectRef.hpp
@@ -5,7 +5,6 @@
 #pragma once
 
 #include <ArduinoJson/Object/MemberProxy.hpp>
-#include <ArduinoJson/Object/ObjectFunctions.hpp>
 #include <ArduinoJson/Object/ObjectIterator.hpp>
 
 namespace ARDUINOJSON_NAMESPACE {
@@ -46,6 +45,13 @@ class ObjectRefBase {
     return collectionToVariant(_data);
   }
 
+  template <typename TAdaptedString>
+  inline VariantData* getMember(TAdaptedString key) const {
+    if (!_data)
+      return 0;
+    return _data->getMember(key);
+  }
+
   ObjectRefBase(TData* data) : _data(data) {}
   TData* _data;
 };
@@ -75,7 +81,7 @@ class ObjectConstRef : public ObjectRefBase<const CollectionData>,
   // containsKey(const String&) const
   template <typename TString>
   FORCE_INLINE bool containsKey(const TString& key) const {
-    return objectGetMember(_data, adaptString(key)) != 0;
+    return getMember(adaptString(key)) != 0;
   }
 
   // containsKey(char*) const
@@ -83,7 +89,7 @@ class ObjectConstRef : public ObjectRefBase<const CollectionData>,
   // containsKey(const __FlashStringHelper*) const
   template <typename TChar>
   FORCE_INLINE bool containsKey(TChar* key) const {
-    return objectGetMember(_data, adaptString(key)) != 0;
+    return getMember(adaptString(key)) != 0;
   }
 
   // operator[](const std::string&) const
@@ -92,7 +98,7 @@ class ObjectConstRef : public ObjectRefBase<const CollectionData>,
   FORCE_INLINE
       typename enable_if<IsString<TString>::value, VariantConstRef>::type
       operator[](const TString& key) const {
-    return VariantConstRef(objectGetMember(_data, adaptString(key)));
+    return VariantConstRef(getMember(adaptString(key)));
   }
 
   // operator[](char*) const
@@ -102,7 +108,7 @@ class ObjectConstRef : public ObjectRefBase<const CollectionData>,
   FORCE_INLINE
       typename enable_if<IsString<TChar*>::value, VariantConstRef>::type
       operator[](TChar* key) const {
-    return VariantConstRef(objectGetMember(_data, adaptString(key)));
+    return VariantConstRef(getMember(adaptString(key)));
   }
 
   FORCE_INLINE bool operator==(ObjectConstRef rhs) const {
@@ -194,7 +200,7 @@ class ObjectRef : public ObjectRefBase<CollectionData>,
   // remove(const String&) const
   template <typename TString>
   FORCE_INLINE void remove(const TString& key) const {
-    objectRemove(_data, adaptString(key));
+    removeMember(adaptString(key));
   }
 
   // remove(char*) const
@@ -202,19 +208,19 @@ class ObjectRef : public ObjectRefBase<CollectionData>,
   // remove(const __FlashStringHelper*) const
   template <typename TChar>
   FORCE_INLINE void remove(TChar* key) const {
-    objectRemove(_data, adaptString(key));
+    removeMember(adaptString(key));
   }
 
   template <typename TString>
   FORCE_INLINE typename enable_if<IsString<TString>::value, bool>::type
   containsKey(const TString& key) const {
-    return objectGetMember(_data, adaptString(key)) != 0;
+    return getMember(adaptString(key)) != 0;
   }
 
   template <typename TChar>
   FORCE_INLINE typename enable_if<IsString<TChar*>::value, bool>::type
   containsKey(TChar* key) const {
-    return objectGetMember(_data, adaptString(key)) != 0;
+    return getMember(adaptString(key)) != 0;
   }
 
   template <typename TString>
@@ -246,6 +252,13 @@ class ObjectRef : public ObjectRefBase<CollectionData>,
     return collectionToVariant(_data);
   }
 
+  template <typename TAdaptedString>
+  void removeMember(TAdaptedString key) const {
+    if (!_data)
+      return;
+    _data->removeMember(key);
+  }
+
  private:
   MemoryPool* _pool;
 };