diff --git a/src/inversions_2D.jl b/src/inversions_2D.jl
index 02240f0..a083344 100644
--- a/src/inversions_2D.jl
+++ b/src/inversions_2D.jl
@@ -19,7 +19,7 @@ end
 function invert(
     exptype::inversion2D, t_direct::AbstractVector, t_indirect::AbstractVector, Raw::AbstractMatrix;
     α=0, rdir=(-5, 1, 100), rindir=(-5, 1, 100),
-    solver=:brd, aopt=:none, order=0, savedata::Bool=true, plot::Bool=true)
+    solver=:brd, order=0, savedata::Bool=true, plot::Bool=true)
 
     svds = svdcompress(exptype, t_direct, t_indirect, Raw, rdir=rdir, rindir=rindir)
 
@@ -527,4 +527,4 @@ end
 #     f, r = inv_2D(svds, 1, solver=:brd, aopt=:gcv)
 #     select_peaks(dir * "\\inversion_results.txt")
 
-# end
\ No newline at end of file
+# end