diff --git a/du4/snake.c b/du4/snake.c
index e8052cd..c222da8 100644
--- a/du4/snake.c
+++ b/du4/snake.c
@@ -16,20 +16,17 @@ struct snake* remove_snake(struct snake* snake){
     if (snake == NULL) {
         return NULL;
     }
-    
-    // If snake has only one part
+
     if (snake->next == NULL) {
         free(snake);
         return NULL;
     }
-    
-    // Find the second-to-last part
+
     struct snake* current = snake;
     while (current->next->next != NULL) {
         current = current->next;
     }
     
-    // Free the last part
     free(current->next);
     current->next = NULL;
     
@@ -58,13 +55,10 @@ int is_snake(struct snake* snake, int x, int y){
 int step_state(struct state* st){
     int nx = (st->snake->x + st->sx);
     int ny = (st->snake->y + st->sy);
-    
-    // Check if new position is on the wall
     if (nx < 0 || nx >= st->width || ny < 0 || ny >= st->height) {
         return END_WALL;
     }
     
-    // Check if new position is on the snake (excluding the head)
     struct snake* current = st->snake->next;
     while (current != NULL) {
         if (current->x == nx && current->y == ny) {
@@ -73,7 +67,6 @@ int step_state(struct state* st){
         current = current->next;
     }
     
-    // Check if new position is on food
     int food_index = -1;
     for (int i = 0; i < FOOD_COUNT; i++) {
         if (st->foodx[i] == nx && st->foody[i] == ny) {
@@ -83,13 +76,10 @@ int step_state(struct state* st){
     }
     
     if (food_index != -1) {
-        // Mark food as eaten
         st->foodx[food_index] = -1;
         st->foody[food_index] = -1;
-        // Add new snake part at food position
         st->snake = add_snake(st->snake, nx, ny);
         
-        // Check if there is any food left
         int food_left = 0;
         for (int i = 0; i < FOOD_COUNT; i++) {
             if (st->foodx[i] >= 0) {
@@ -104,7 +94,6 @@ int step_state(struct state* st){
         return END_CONTINUE;
     }
     
-    // Normal move: add new head and remove tail
     st->snake = add_snake(st->snake, nx, ny);
     st->snake = remove_snake(st->snake);