diff --git a/ext/SciMLBaseZygoteExt.jl b/ext/SciMLBaseZygoteExt.jl
index 13eb86d13..9624a227a 100644
--- a/ext/SciMLBaseZygoteExt.jl
+++ b/ext/SciMLBaseZygoteExt.jl
@@ -215,16 +215,6 @@ end
     NonlinearSolution{T, N, uType, R, P, A, O, uType2}(u, args...), NonlinearSolutionAdjoint
 end
 
-# @adjoint function literal_getproperty(sol::AbstractTimeseriesSolution,
-#         ::Val{:u})
-#     function solu_adjoint(Δ)
-#         zerou = zero(sol.prob.u0)
-#         _Δ = @. ifelse(Δ === nothing, (zerou,), Δ)
-#         (build_solution(sol.prob, sol.alg, sol.t, _Δ),)
-#     end
-#     sol.u, solu_adjoint
-# end
-
 @adjoint function literal_getproperty(sol::SciMLBase.AbstractNoTimeSolution,
         ::Val{:u})
     function solu_adjoint(Δ)