diff --git a/inttest/core/LuaApiMock.h b/inttest/core/LuaApiMock.h
index c45342ab..12fbf565 100644
--- a/inttest/core/LuaApiMock.h
+++ b/inttest/core/LuaApiMock.h
@@ -54,7 +54,6 @@ class LuaApiMock : public terrame::lua::LuaApi
 		MOCK_METHOD1(getTopIndex, int(lua_State* L));
 		MOCK_METHOD2(nextAt, int(lua_State* L, int index));
 		MOCK_METHOD2(getTypeAt, int(lua_State* L, int index));
-		MOCK_METHOD0(getRefNilValue, int());
 
 		MOCK_METHOD2(isStringAt, bool(lua_State* L, int index));
 		MOCK_METHOD2(isNumberAt, bool(lua_State* L, int index));
diff --git a/inttest/core/LuaCellTest.cpp b/inttest/core/LuaCellTest.cpp
index 19153cac..aae281d8 100644
--- a/inttest/core/LuaCellTest.cpp
+++ b/inttest/core/LuaCellTest.cpp
@@ -62,11 +62,6 @@ TEST_F(LuaCellTest, Constructor)
 {
 	LuaApiMock* luaApiMock = new LuaApiMock();
 	terrame::lua::LuaSystem::getInstance().setLuaApi(luaApiMock);
-
-	EXPECT_CALL(*luaApiMock, getRefNilValue())
-		.Times(testing::AnyNumber())
-		.WillRepeatedly(testing::Return(-1));
-
 	luaCell* lc = new luaCell(L);
 
 	delete luaApiMock;
@@ -76,11 +71,6 @@ TEST_F(LuaCellTest, SetAndGetId)
 {
 	LuaApiMock* luaApiMock = new LuaApiMock();
 	terrame::lua::LuaSystem::getInstance().setLuaApi(luaApiMock);
-
-	EXPECT_CALL(*luaApiMock, getRefNilValue())
-		.Times(testing::AnyNumber())
-		.WillRepeatedly(testing::Return(-1));
-
 	luaCell* lc = new luaCell(L);
 
 	EXPECT_CALL(*luaApiMock, getStringAtTop(testing::_))
@@ -101,10 +91,6 @@ TEST_F(LuaCellTest, CreateObserverAndKill)
 	LuaBindingMock<luaCell>* bindMock = new LuaBindingMock<luaCell>();
 	terrame::lua::LuaBindingDelegate<luaCell>::getInstance().setBinding(bindMock);
 
-	EXPECT_CALL(*luaApiMock, getRefNilValue())
-		.Times(testing::AnyNumber())
-		.WillRepeatedly(testing::Return(-1));
-
 	luaCell* lc = new luaCell(L);
 
 	EXPECT_CALL(*luaApiMock, getStringAtTop(testing::_))
diff --git a/src/core/LuaApi.h b/src/core/LuaApi.h
index 038acc60..03fd0a4a 100644
--- a/src/core/LuaApi.h
+++ b/src/core/LuaApi.h
@@ -67,7 +67,6 @@ namespace terrame
 				virtual int getTopIndex(lua_State* L) = 0;
 				virtual int nextAt(lua_State* L, int index) = 0;
 				virtual int getTypeAt(lua_State* L, int index) = 0;
-				virtual int getRefNilValue() = 0;
 
 				virtual bool isStringAt(lua_State* L, int index) = 0;
 				virtual bool isNumberAt(lua_State* L, int index) = 0;
diff --git a/src/core/LuaFacade.cpp b/src/core/LuaFacade.cpp
index 9cd621a9..d9da1e5e 100644
--- a/src/core/LuaFacade.cpp
+++ b/src/core/LuaFacade.cpp
@@ -137,11 +137,6 @@ int terrame::lua::LuaFacade::getTypeAt(lua_State* L, int index)
 	return lua_type(L, index);
 }
 
-int terrame::lua::LuaFacade::getRefNilValue()
-{
-	return LUA_REFNIL;
-}
-
 bool terrame::lua::LuaFacade::isStringAt(lua_State* L, int index)
 {
 	return lua_type(L, index) == getStringType();
diff --git a/src/core/LuaFacade.h b/src/core/LuaFacade.h
index ab16954e..b8227076 100644
--- a/src/core/LuaFacade.h
+++ b/src/core/LuaFacade.h
@@ -68,7 +68,6 @@ namespace terrame
 				int getTopIndex(lua_State* L);
 				int nextAt(lua_State* L, int index);
 				int getTypeAt(lua_State* L, int index);
-				int getRefNilValue();
 
 				bool isStringAt(lua_State* L, int index);
 				bool isNumberAt(lua_State* L, int index);
diff --git a/src/core/reference.h b/src/core/reference.h
index c63da403..6c13d585 100644
--- a/src/core/reference.h
+++ b/src/core/reference.h
@@ -35,15 +35,10 @@ template <class T>
 class Reference
 {
 public:
-	Reference()
-	{
-		m_ref = terrame::lua::LuaSystem::getInstance().getLuaApi()->getRefNilValue();
-	}
-
     /// Sets the reference for the Lua object using the cObj pointer.
     int setReference(lua_State *L)
     {
-        if (m_ref == terrame::lua::LuaSystem::getInstance().getLuaApi()->getRefNilValue())
+        if (m_ref == LUA_REFNIL)
 		{
             m_ref = terrame::lua::LuaSystem::getInstance().getLuaApi()->createWeakTable(L);
 		}
@@ -63,7 +58,10 @@ class Reference
 
 private:
 	// Index for the table holding the objects on the Lua Registry
-    int m_ref;
+    static int m_ref;
 };
 
+template <typename T>
+int Reference<T>::m_ref = LUA_REFNIL;
+
 #endif // REFFERENCE_H