diff --git a/julia/PolyCube.jl b/julia/PolyCube.jl
index d9c44fb..9ce692b 100644
--- a/julia/PolyCube.jl
+++ b/julia/PolyCube.jl
@@ -47,7 +47,6 @@ function generate_children(pcube::PolyCube, n_max::Int)
     for root_cube ∈ pcube.last_added
         for neighbor ∈ neighbors(root_cube...)
             pos_growth_candidates = searchsortedfirst(growth_candidates, neighbor)
-            # consider flipping following &&, it MAY imrove performance
             if (pos_growth_candidates > length(growth_candidates) || growth_candidates[pos_growth_candidates] != neighbor) && isempty(searchsorted(cubes, neighbor))
                 insert!(growth_candidates, pos_growth_candidates, neighbor)
             end