1 files changed, 0 insertions, 13 deletions
diff --git a/book/examples/chapter4/Comment.gf b/book/examples/chapter4/Comment.gf
deleted file mode 100644
index 0a812c6ef..000000000
--- a/book/examples/chapter4/Comment.gf
+++ /dev/null
@@ -1,13 +0,0 @@
-abstract Comment = {
-  flags startcat = Comment ;
-  cat
-    Comment ; Item ; Kind ; Quality ;
-  fun
-    Pred : Item -> Quality -> Comment ;
-    This, That, These, Those : Kind -> Item ;
-    Mod : Quality -> Kind -> Kind ;
-    Wine, Cheese, Fish, Pizza : Kind ;
-    Very : Quality -> Quality ;
-    Fresh, Warm, Italian, 
-      Expensive, Delicious, Boring : Quality ;
-}