diff --git a/grid.py b/grid.py
deleted file mode 100644
index d63e5a9..0000000
--- a/grid.py
+++ /dev/null
@@ -1,168 +0,0 @@
-# Import the pygame module
-import pygame
-
-# Import pygame.locals for easier access to key coordinates
-# Updated to conform to flake8 and black standards
-from pygame.locals import (
-    K_UP,
-    K_DOWN,
-    K_LEFT,
-    K_RIGHT,
-    K_ESCAPE,
-    K_SPACE,
-    KEYDOWN,
-    QUIT,
-)
-
-# Initialize pygame
-pygame.init()
-
-# Grid size
-GSIZE = 10
-
-# This sets the WIDTH and HEIGHT of each grid location
-WIDTH = 35
-HEIGHT = 35
-
-# This sets the margin between each cell
-MARGIN = 5
-
-# Window size
-SCREEN_WIDTH = GSIZE * (WIDTH + MARGIN) + MARGIN 
-SCREEN_HEIGHT = GSIZE * (HEIGHT + MARGIN) + MARGIN
-
-# Set some colors
-BLACK = (0, 0, 0)
-WHITE = (255, 255, 255)
-GREEN = (0, 255, 0)
-RED = (255, 0, 0)
-BROWN = (140, 95, 65)
-DBROWN = (65, 50, 20)
-YELLOW = (255, 255, 0)
-BLUE = (0, 0, 255)
-
-
-# Define a Tractor object by extending pygame.sprite.Sprite
-# The surface drawn on the screen is now an attribute of 'tractor'
-class Tractor(pygame.sprite.Sprite):
-    def __init__(self):
-        super(Tractor, self).__init__()
-        self.surf = pygame.Surface((WIDTH, HEIGHT))
-        self.surf.fill(RED)
-        self.rect = self.surf.get_rect(topleft=(MARGIN, MARGIN))
-        self.position = [0, 0]
-
-    def update(self, pressed_keys):
-        if pressed_keys[K_UP]:
-            self.rect.move_ip(0, -(HEIGHT + MARGIN))
-            self.position[1] -= 1
-        if pressed_keys[K_DOWN]:
-            self.rect.move_ip(0, HEIGHT + MARGIN)
-            self.position[1] += 1 
-        if pressed_keys[K_LEFT]:
-            self.rect.move_ip(-(WIDTH + MARGIN), 0)
-            self.position[0] -= 1 
-        if pressed_keys[K_RIGHT]:
-            self.rect.move_ip(WIDTH + MARGIN, 0)
-            self.position[0] += 1
-
-        if self.rect.left < MARGIN:
-            self.rect.left = MARGIN
-        if self.position[0] < 0:
-            self.position[0] = 0
-        if self.rect.right > SCREEN_WIDTH-MARGIN:
-            self.rect.right = SCREEN_WIDTH-MARGIN
-        if self.position[0] >= GSIZE-1:
-            self.position[0] = GSIZE-1
-        if self.rect.top <= MARGIN:
-            self.rect.top = MARGIN
-        if self.position[1] < 0:
-            self.position[1] = 0
-        if self.rect.bottom >= SCREEN_HEIGHT-MARGIN:
-            self.rect.bottom = SCREEN_HEIGHT-MARGIN
-        if self.position[1] >= GSIZE-1:
-            self.position[1] = GSIZE-1
-
-    def hydrate(self, field):
-        field[self.position[0]][self.position[1]].hydrate()
-
-# Define a Field object by extending pygame.sprite.Sprite
-# The surface drawn on the screen is now an attribute of 'field'
-class Field(pygame.sprite.Sprite):
-    def __init__(self, row, column):
-        super(Field, self).__init__()
-        self.surf = pygame.Surface((WIDTH, HEIGHT))
-        self.surf.fill(BROWN)
-        self.rect = self.surf.get_rect(topleft=((MARGIN + WIDTH) * row + MARGIN, (MARGIN + HEIGHT) * column + MARGIN))
-        self.hydration = 0
-
-    def hydrate(self):
-        if self.hydration <= 3: 
-            self.hydration += 1
-            if self.hydration == 1:
-                self.surf.fill(YELLOW)
-            if self.hydration == 2:
-                self.surf.fill(GREEN)
-            if self.hydration == 3:
-                self.surf.fill(BLUE)
-
-# Name the window
-pygame.display.set_caption("Inteligentny Traktor")
-
-# Create the screen object
-# The size is determined by the constant SCREEN_WIDTH and SCREEN_HEIGHT
-screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
-
-# Instantiate tractor. Right now, this is just a rectangle.
-tractor = Tractor()
-
-# Create field array
-field = []
-
-for row in range(GSIZE):
-    field.append([])
-    for column in range(GSIZE):
-        fieldbit = Field(row, column)
-        field[row].append(fieldbit)
-
-# Variable to keep the main loop running
-running = True
-
-clock = pygame.time.Clock()
-
-# Main loop
-while running:
-    # Look at every event in the queue
-    for event in pygame.event.get():
-        # Did the user hit a key?
-        if event.type == KEYDOWN:
-            # Was it the Escape key? If so, stop the loop.
-            if event.key == K_ESCAPE:
-                running = False
-
-        # Did the user click the window close button? If so, stop the loop.
-        elif event.type == QUIT:
-            running = False
-
-    pressed_keys = pygame.key.get_pressed()
-
-    # Set the screen background
-    tractor.update(pressed_keys)
-    if pressed_keys[K_SPACE]:
-        tractor.hydrate(field)
-
-    screen.fill(DBROWN)
-    
-    # Draw the field
-    for row in range(GSIZE):
-        for column in range(GSIZE):
-            screen.blit(field[row][column].surf, field[row][column].rect)
-
-    # Draw the player on the screen
-    screen.blit(tractor.surf, tractor.rect)
-
-    # Update the screen                          
-    pygame.display.flip()
-
-    # Ensure program maintains a rate of 30 frames per second
-    clock.tick(5)