diff --git a/src/forcedirected.jl b/src/forcedirected.jl
index d154f06..061ea50 100644
--- a/src/forcedirected.jl
+++ b/src/forcedirected.jl
@@ -128,7 +128,8 @@ function position!(LA::ForceDirectedLayout, L::Dict{K,NodePosition}, N::T) where
     end
   end
 
-  for (i,s) in enumerate(species(N))
+  for s in species(N)
     update!(LA, L[s])
   end
+
 end