diff --git a/src/english/CompatibilityCat.gf b/src/english/CompatibilityCat.gf
deleted file mode 100644
index e12287c45..000000000
--- a/src/english/CompatibilityCat.gf
+++ /dev/null
@@ -1,11 +0,0 @@
---# -path=.:../romance:../abstract:../common
-
-concrete CompatibilityCat of Compatibility = CatCat ** open Prelude, CommonRomance in {
-
--- from Noun 19/4/2008
-
-lin
-    NumInt n = {s = \\_ => n.s ; isNum = True ; n = Pl} ;
-    OrdInt n = {s = \\_ => n.s ++ "."} ; ---
-
-}