diff --git a/board.py b/board.py
deleted file mode 100644
index 3fc9024..0000000
--- a/board.py
+++ /dev/null
@@ -1,57 +0,0 @@
-import math
-
-
-class Board:
-    """Class representing a sudoku board."""
-
-    def __init__(self, size=9, board=None):
-        self.size = size
-        self.board = board
-        if self.board is None:
-            self.board = self.__generate_board()
-
-    def __generate_board(self):
-        """Fill """
-        board = [[i+j*self.size for i in range(self.size)] for j in range(self.size)]
-        return board
-
-    def is_filled(self):
-        for i in range(self.size**2):
-            if self.board[i//self.size][i%self.size] == ' ':
-                return False
-        return True
-
-    def valid_rows(self):
-        for row in range(self.size):
-            current_list = set()
-            for col in range(self.size):
-                if self.board[row][col] in current_list:
-                    return False
-                elif self.board[row][col] != ' ':
-                    current_list.add(self.board[row][col])
-        return True
-
-    def valid_cols(self):
-        for col in range(self.size):
-            current_list = set()
-            for row in range(self.size):
-                if self.board[row][col] in current_list:
-                    return False
-                elif self.board[row][col] != ' ':
-                    current_list.add(self.board[row][col])
-        return True
-
-    def valid_boxes(self):
-        for i in range(0, self.size, int(math.sqrt(self.size))):
-            for j in range(0, self.size, int(math.sqrt(self.size))):
-                current_list = set()
-                for k in range(int(math.sqrt(self.size))):
-                    for l in range(int(math.sqrt(self.size))):
-                        if self.board[i+k][j+l] in current_list:
-                            return False
-                        elif self.board[i+k][j+l] != ' ':
-                            current_list.add(self.board[i+k][j+l])
-        return True
-
-    def is_valid(self):
-        return self.valid_rows() and self.valid_cols() and self.valid_boxes()