diff --git a/src/latin/BackwardLat.gf b/src/latin/BackwardLat.gf
deleted file mode 100644
index 6f57b8ed..00000000
--- a/src/latin/BackwardLat.gf
+++ /dev/null
@@ -1,76 +0,0 @@
---concrete BackwardLat of Backward = CatLat ** open ResLat in {
---
---  flags optimize=all_subs ;
---
---  lin
---
----- A repository of obsolete constructs, needed for backward compatibility.
----- They create spurious ambiguities if used in combination with Lang.
---
----- from Verb 19/4/2008
---
---    ComplV2 v np = insertObj (\\_ => v.c2 ++ np.s ! Acc) (predV v) ;
---    ComplV3 v np np2 = 
---      insertObj (\\_ => v.c2 ++ np.s ! Acc ++ v.c3 ++ np2.s ! Acc) (predV v) ;
---    ComplV2V v np vp = 
---      insertObj (\\a => infVP v.isAux vp a)
---        (insertObj (\\_ => v.c2 ++ np.s ! Acc) (predV v)) ;
---    ComplV2S v np s = 
---      insertObj (\\_ => conjThat ++ s.s)
---        (insertObj (\\_ => v.c2 ++ np.s ! Acc) (predV v)) ;
---    ComplV2Q v np q = 
---      insertObj (\\_ => q.s ! QIndir) 
---        (insertObj (\\_ => v.c2 ++ np.s ! Acc) (predV v)) ;
---    ComplV2A v np ap = 
---      insertObj (\\_ => v.c2 ++ np.s ! Acc ++ ap.s ! np.a) (predV v) ;
---
---    ReflV2 v = insertObj (\\a => v.c2 ++ reflPron ! a) (predV v) ;
---
----- from Sentence 19/4/2008
---
---    SlashV2 np v2 = 
---      mkClause (np.s ! Nom) np.a (predV v2) ** {c2 = v2.c2} ;
---
---    SlashVVV2 np vv v2 = 
---      mkClause (np.s ! Nom) np.a 
---        (insertObj (\\a => infVP vv.isAux (predV v2) a) (predVV vv))  **
---        {c2 = v2.c2} ;
---
----- from Noun 19/4/2008
---
---    NumInt n = {s = n.s ; n = Pl} ; 
---    OrdInt n = {s = n.s ++ "th"} ; --- DEPRECATED
---
---    DetSg quant ord = {
---      s = quant.s ! Sg ++ ord.s ; 
---      n = Sg
---      } ;
---
---    DetPl quant num ord = {
---      s = quant.s ! num.n ++ num.s ++ ord.s ; 
---      n = num.n
---      } ;
---
---    NoNum = {s = []; n = Pl } ;
---
---    DefArt = {s = \\_ => artDef} ;
---
---    IndefArt = {
---      s = table {
---        Sg => artIndef ; 
---        Pl => []
---        }
---      } ;
---
---    MassDet = {s = \\_ => []} ;
---
---
---
----- from Structural 19/4/2008
---
---    that_NP = regNP "that" Sg ;
---    these_NP = regNP "these" Pl ;
---    this_NP = regNP "this" Sg ;
---    those_NP = regNP "those" Pl ;
---
---}