diff --git a/include/elements.hpp b/include/elements.hpp
index 8ed837e..4b330ee 100644
--- a/include/elements.hpp
+++ b/include/elements.hpp
@@ -12,7 +12,6 @@ struct Point {
 	int m_id;
 	char m_symbol;
 	bool m_collided;
-	void to_string();
 	void assign(int row, int col);
 	void move();
 	void check_collision(std::vector<Point> &points_list);
@@ -23,7 +22,6 @@ struct Player {
 	char m_symbol;
 	bool m_turn;
 	void input_tile(int col, std::vector<Point> &points);
-	// bool check_chain(std::array<std::array<char, COL>, ROW> &m_board);
 	bool check_chain(std::array<std::array<char, COL>, ROW> &m_board, std::vector<Point> &points_list);
 };
 
diff --git a/include/window.hpp b/include/window.hpp
index 7d90181..b3b1a7b 100644
--- a/include/window.hpp
+++ b/include/window.hpp
@@ -9,7 +9,6 @@
 struct Window {
 	std::array<std::array<char, COL>, ROW> m_board = {};
 	void update_display(std::vector<Point> &points_list);
-	bool check_chain();
 };
 
 #endif
diff --git a/src/elements.cpp b/src/elements.cpp
index 7fb0f6d..3f41d22 100644
--- a/src/elements.cpp
+++ b/src/elements.cpp
@@ -2,7 +2,6 @@
 #include "globals.hpp"
 #include <array>
 #include <vector>
-#include <iostream>
 
 void Point::assign(int row, int col) {
 	m_row = row;
@@ -10,15 +9,8 @@ void Point::assign(int row, int col) {
 }
 
 void Point::move() {
-	if(m_row < ROW - 1) {
-		m_row++;
-	} else {
-		m_collided = true;
-	}
-}
-
-void Point::to_string() {
-	std::cout << "(" << m_row << ", " << m_col << ")";
+	if(m_row < ROW - 1) m_row++;
+	else m_collided = true;
 }
 
 void Point::check_collision(std::vector<Point> &points_list) {;
diff --git a/src/main.cpp b/src/main.cpp
index 60f2684..de2668f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -23,8 +23,7 @@ int main() {
 		if(one.check_chain(window.m_board, points_list)) {
 			std::cout << "Player 1 wins!" << std::endl;
 			running = false;
-		}
-		if(two.check_chain(window.m_board, points_list)) {
+		} else if(two.check_chain(window.m_board, points_list)) {
 			std::cout << "Player 2 wins!" << std::endl;
 			running = false;
 		}
diff --git a/src/window.cpp b/src/window.cpp
index a244dc5..bc17ce8 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -3,7 +3,6 @@
 #include <chrono>
 #include <thread>
 
-
 void Window::update_display(std::vector<Point> &points_list) {
 	for(std::array<char, COL> &row : m_board) { row.fill('.'); }
 	for(int i = 0; i < points_list.size(); i++) {
@@ -19,25 +18,3 @@ void Window::update_display(std::vector<Point> &points_list) {
 	}
 	std::this_thread::sleep_for(std::chrono::milliseconds(200)); // 1000 / fps; 200ms = 5fps
 }
-
-bool Window::check_chain() {
-	char symbol = ' ';
-	bool d = true;
-	bool result = false;
-	for(int i = 0; i < ROW - 1; i++) {
-		for(int j = 0; j < COL - 1; j++) {
-			if(m_board[i][j] == ' ') continue;
-			symbol = m_board[i][j];
-			d = true;
-			if(d) {
-				for(int k = 1; k <= 3; k++) {
-					if(m_board[i][j + k] != symbol) d = false;
-				}
-				if(d) {
-					result = true;
-				}
-			}
-		}
-	}
-	return result;
-}