diff --git a/packages/CLPBN/examples/cg.yap b/packages/CLPBN/examples/cg.yap
deleted file mode 100644
index 04423248a..000000000
--- a/packages/CLPBN/examples/cg.yap
+++ /dev/null
@@ -1,35 +0,0 @@
-
-%
-% adapted from Hendrik Blockeel's ILP04 paper.
-%
-
-:- use_module(library(clpbn)).
-
-cg(X,1,C):-
-    father(Y,X),
-    cg(Y,1,C1),cg(Y,2,C2),
-    parent_cpt(cg(X,1), C1, C2, C).
-
-cg(X,2,C):-
-    mother(Y,X),
-    cg(Y,1,C1),cg(Y,2,C2),
-    parent_cpt(cg(X,2), C1, C2, C).
-
-
-
-cg(f,X,C) :-
-    prior_cpt(cg(f,X),C).
-
-cg(m,X,C) :-
-    prior_cpt(cg(m,X),C).
-
-
-prior_cpt(CKEY, C) :-
-    { C = CKEY with p([p,w], [0.5,0.5])}.
-
-parent_cpt(CKEY, C1, C2, C) :-
-    { C = CKEY with p([p,w], [   1,0.5,0.5,0.0,
-                               0.0,0.5,0.5,  1],[C1,C2])}.
-
-father(f,s).
-mother(m,s).