diff --git a/ho_basis.jl b/ho_basis.jl
index 109ac2e..b8992f6 100644
--- a/ho_basis.jl
+++ b/ho_basis.jl
@@ -91,8 +91,8 @@ function Moshinsky_transform(Es, n1s, l1s, n2s, l2s, Λ)
     
     dtri = NuclearToolkit.prep_dtri(l_max + 1);
     dcgm0 = NuclearToolkit.prep_dcgm0(l_max);
-    d6j = NuclearToolkit.prep_d6j_int(E_max, j_max, to);
-        
+    d6j = nothing # NuclearToolkit.prep_d6j_int(E_max, j_max, to);
+    
     mat = spzeros(length(Es), length(Es))
     s = hcat(Es, n1s, l1s, n2s, l2s)
     for idx in CartesianIndices(mat)