diff --git a/src/MultilevelAStarEx.cpp b/src/MultilevelAStarEx.cpp
index 60e8bac..f0118c0 100644
--- a/src/MultilevelAStarEx.cpp
+++ b/src/MultilevelAStarEx.cpp
@@ -14,8 +14,6 @@ using std::vector;
 static const int STRAIGHT_DISTANCE = 10;
 static const int DIAGONAL_DISTANCE = 14;
 
-Node::Node() { }
-
 Node::Node(int x, int y)
 {
 	this->hasUnit = false;
@@ -153,14 +151,13 @@ void MultilevelAStarEx::init(const Rect2i &region)
 	_height = region.get_size().height;
 	_trans = region.get_position();
 
-	_nodes.resize(_width * _height);
+	_nodes.reserve(_width * _height);
 
-	vector<Node>::iterator iter = _nodes.begin();
 	for (int y = 0; y < _height; y++)
 	{
 		for (int x = 0; x < _width; x++)
 		{
-			*iter++ = Node(x, y);
+			_nodes.push_back(Node(x, y));
 		}
 	}
 
diff --git a/src/MultilevelAStarEx.h b/src/MultilevelAStarEx.h
index bed0d39..3d12436 100644
--- a/src/MultilevelAStarEx.h
+++ b/src/MultilevelAStarEx.h
@@ -44,9 +44,6 @@ private:
 	void close(int pass);
 	NodeState state(int pass) const;
 	int total_cost() const;
-
-public:
-	Node();
 };
 
 class MultilevelAStarEx : public godot::RefCounted