diff --git a/src/poc/src/Registry.hpp b/src/poc/src/Registry.hpp
index 1d8c39ea..5478b9dd 100644
--- a/src/poc/src/Registry.hpp
+++ b/src/poc/src/Registry.hpp
@@ -8,13 +8,13 @@
 class Registry {
     public:
         template <class Component>
-        using array = std::shared_ptr<SparseArray<Component>>;
+        using array = SparseArray<Component> &;
 
         template <class Component>
         array<Component> registerComponent()
         {
             if (_data.find(typeid(Component)) == _data.end()) {
-                _data[typeid(Component)] = std::make_shared<SparseArray<Component>>();
+                _data[typeid(Component)] = SparseArray<Component>();
             }
             return castReturn<Component>();
         };
diff --git a/src/poc/src/main.cpp b/src/poc/src/main.cpp
index ceaa551b..b65e7a3b 100644
--- a/src/poc/src/main.cpp
+++ b/src/poc/src/main.cpp
@@ -4,16 +4,16 @@
 int main()
 {
     Registry registry;
-    Registry::array<int> arrInt = registry.registerComponent<int>();
-    arrInt->add(4);
-    arrInt->add(69);
-    Registry::array<float> arrFloat = registry.registerComponent<float>();
-    arrFloat->add(69.69);
-    Registry::array<float> scdContainer = registry.getComponents<float>();
-    for (auto begin = arrInt->begin(); begin != arrInt->end(); begin++) {
+    Registry::array<int> &arrInt = registry.registerComponent<int>();
+    arrInt.add(4);
+    arrInt.add(69);
+    Registry::array<float> &arrFloat = registry.registerComponent<float>();
+    arrFloat.add(69.69);
+    Registry::array<float> &scdContainer = registry.getComponents<float>();
+    for (auto begin = arrInt.begin(); begin != arrInt.end(); begin++) {
         std::cout << *begin << std::endl;
     }
-    for (auto begin = scdContainer->begin(); begin != scdContainer->end(); begin++) {
+    for (auto begin = scdContainer.begin(); begin != scdContainer.end(); begin++) {
         std::cout << *begin << std::endl;
     }
     return 0;