From 2b3efc32c4b6032164872ef887308ec0e06cbe2a Mon Sep 17 00:00:00 2001
From: Miha Zgubic <miha.zgubic@invenialabs.co.uk>
Date: Wed, 9 Jun 2021 16:34:06 +0100
Subject: [PATCH] Revert "add to_vec for thunks"

This reverts commit 5d928d8eebceea8e0793696108927cd177e5316a.
---
 src/to_vec.jl  | 6 ------
 test/to_vec.jl | 4 ----
 2 files changed, 10 deletions(-)

diff --git a/src/to_vec.jl b/src/to_vec.jl
index e5057aa..3395106 100644
--- a/src/to_vec.jl
+++ b/src/to_vec.jl
@@ -193,9 +193,3 @@ function FiniteDifferences.to_vec(x::AbstractZero)
     end
     return Bool[], AbstractZero_from_vec
 end
-
-function FiniteDifferences.to_vec(t::Thunk)
-    v, back = to_vec(unthunk(t))
-    Thunk_from_vec = v -> @thunk(back(v))
-    return v, Thunk_from_vec
-end
diff --git a/test/to_vec.jl b/test/to_vec.jl
index 2fa1fdb..abf1019 100644
--- a/test/to_vec.jl
+++ b/test/to_vec.jl
@@ -176,10 +176,6 @@ end
             test_to_vec(ZeroTangent())
             test_to_vec(NoTangent())
         end
-
-        @testset "Thunks" begin
-            test_to_vec(@thunk(3.2+4.3))
-        end
     end
 
     @testset "FillVector" begin