diff --git a/book/src/chapter_7.md b/book/src/chapter_7.md
index e0f9026a..b518936d 100644
--- a/book/src/chapter_7.md
+++ b/book/src/chapter_7.md
@@ -42,12 +42,6 @@ fn get_available_exits(&self, idx:usize) -> rltk::SmallVec<[(usize, f32); 10]> {
     if self.is_exit_valid(x, y-1) { exits.push((idx-w, 1.0)) };
     if self.is_exit_valid(x, y+1) { exits.push((idx+w, 1.0)) };
 
-    // Diagonals
-    if self.is_exit_valid(x-1, y-1) { exits.push(((idx-w)-1, 1.45)); }
-    if self.is_exit_valid(x+1, y-1) { exits.push(((idx-w)+1, 1.45)); }
-    if self.is_exit_valid(x-1, y+1) { exits.push(((idx+w)-1, 1.45)); }
-    if self.is_exit_valid(x+1, y+1) { exits.push(((idx+w)+1, 1.45)); }
-
     exits
 }
 ```