From 592a1d79016a1a631e1cc0dd615a984b8b72052d Mon Sep 17 00:00:00 2001
From: Katharine Hyatt <katharine.hyatt@ugent.be>
Date: Wed, 1 Jul 2026 21:09:24 +0200
Subject: [PATCH] Fix Enzyme index manipulation spaces to match Mooncake

---
 .../flip.jl                                   | 24 +++++++++++++
 .../twist.jl                                  | 26 ++++++++++++++
 .../braid.jl                                  | 35 +++++++++++++++++++
 .../permute.jl                                |  7 ++--
 .../transpose.jl                              | 16 ++++-----
 .../insertunit.jl                             | 26 ++++++++++++++
 .../removeunit.jl                             | 22 ++++++++++++
 test/enzyme-indexmanipulations/braid.jl       | 32 -----------------
 test/enzyme-indexmanipulations/flip.jl        | 19 ----------
 test/enzyme-indexmanipulations/insertunit.jl  | 24 -------------
 test/enzyme-indexmanipulations/removeunit.jl  | 20 -----------
 test/enzyme-indexmanipulations/twist.jl       | 23 ------------
 12 files changed, 145 insertions(+), 129 deletions(-)
 create mode 100644 test/enzyme-indexmanipulations-flip-twist/flip.jl
 create mode 100644 test/enzyme-indexmanipulations-flip-twist/twist.jl
 create mode 100644 test/enzyme-indexmanipulations-transform/braid.jl
 rename test/{enzyme-indexmanipulations => enzyme-indexmanipulations-transform}/permute.jl (72%)
 rename test/{enzyme-indexmanipulations => enzyme-indexmanipulations-transform}/transpose.jl (54%)
 create mode 100644 test/enzyme-indexmanipulations-unit/insertunit.jl
 create mode 100644 test/enzyme-indexmanipulations-unit/removeunit.jl
 delete mode 100644 test/enzyme-indexmanipulations/braid.jl
 delete mode 100644 test/enzyme-indexmanipulations/flip.jl
 delete mode 100644 test/enzyme-indexmanipulations/insertunit.jl
 delete mode 100644 test/enzyme-indexmanipulations/removeunit.jl
 delete mode 100644 test/enzyme-indexmanipulations/twist.jl

diff --git a/test/enzyme-indexmanipulations-flip-twist/flip.jl b/test/enzyme-indexmanipulations-flip-twist/flip.jl
new file mode 100644
index 000000000..d410673e4
--- /dev/null
+++ b/test/enzyme-indexmanipulations-flip-twist/flip.jl
@@ -0,0 +1,24 @@
+using Test, TestExtras
+using TensorKit
+using Enzyme, EnzymeTestUtils
+using Random
+
+spacelist = ad_spacelist(fast_tests)
+eltypes = (Float64, ComplexF64)
+
+if !Sys.iswindows() && VERSION > v"1.11.0-rc"
+    @timedtestset "Enzyme - Index Manipulations (flip):" begin
+        @timedtestset "$(TensorKit.type_repr(sectortype(eltype(V)))) ($T) TA ($TA)" for V in spacelist, T in eltypes, TA in (Duplicated,)
+            atol = default_tol(T)
+            rtol = default_tol(T)
+            has_braiding = BraidingStyle(sectortype(eltype(V))) isa HasBraiding
+            if has_braiding
+                A = randn(T, V[1] ⊗ V[2] ← (V[3] ⊗ V[4] ⊗ V[5])')
+                EnzymeTestUtils.test_reverse(flip, TA, (A, TA), (1, Const); atol, rtol, fkwargs = (inv = false,))
+                EnzymeTestUtils.test_reverse(flip, TA, (A, TA), [1, 3]; atol, rtol, fkwargs = (inv = true,))
+                EnzymeTestUtils.test_reverse(flip, TA, (A, TA), (1, Const); atol, rtol)
+                EnzymeTestUtils.test_reverse(flip, TA, (A, TA), ([1, 3], Const); atol, rtol)
+            end
+        end
+    end
+end
diff --git a/test/enzyme-indexmanipulations-flip-twist/twist.jl b/test/enzyme-indexmanipulations-flip-twist/twist.jl
new file mode 100644
index 000000000..6dedcdd5a
--- /dev/null
+++ b/test/enzyme-indexmanipulations-flip-twist/twist.jl
@@ -0,0 +1,26 @@
+using Test, TestExtras
+using TensorKit
+using TensorOperations
+using VectorInterface: Zero, One
+using Enzyme, EnzymeTestUtils
+using Random
+
+spacelist = ad_spacelist(fast_tests)
+eltypes = (Float64, ComplexF64)
+
+if !Sys.iswindows() && VERSION > v"1.11.0-rc"
+    @timedtestset "Enzyme - Index Manipulations (twist):" begin
+        @timedtestset "$(TensorKit.type_repr(sectortype(eltype(V)))) ($T)" for V in spacelist, T in eltypes, TA in (Duplicated,)
+            atol = default_tol(T)
+            rtol = default_tol(T)
+            A = randn(T, V[1] ⊗ V[2] ← (V[3] ⊗ V[4] ⊗ V[5])')
+            has_braiding = BraidingStyle(sectortype(eltype(V))) isa HasBraiding
+            if has_braiding && !(T <: Real && !(sectorscalartype(sectortype(A)) <: Real))
+                EnzymeTestUtils.test_reverse(twist!, TA, (copy(A), TA), (1, Const); atol, rtol, fkwargs = (inv = false,))
+                EnzymeTestUtils.test_reverse(twist!, TA, (copy(A), TA), ([1, 3], Const); atol, rtol, fkwargs = (inv = true,))
+                EnzymeTestUtils.test_reverse(twist!, TA, (copy(A), TA), (1, Const); atol, rtol)
+                EnzymeTestUtils.test_reverse(twist!, TA, (copy(A), TA), ([1, 3], Const); atol, rtol)
+            end
+        end
+    end
+end
diff --git a/test/enzyme-indexmanipulations-transform/braid.jl b/test/enzyme-indexmanipulations-transform/braid.jl
new file mode 100644
index 000000000..0d4099d13
--- /dev/null
+++ b/test/enzyme-indexmanipulations-transform/braid.jl
@@ -0,0 +1,35 @@
+using Test, TestExtras
+using TensorKit
+using TensorOperations
+using Enzyme, EnzymeTestUtils
+using Random
+
+spacelist = ad_spacelist(fast_tests)
+eltypes = (Float64, ComplexF64)
+
+is_ci = get(ENV, "CI", "false") == "true"
+Tαs = is_ci ? (Active,) : (Active, Const)
+Tβs = is_ci ? (Active,) : (Active, Const)
+
+if !Sys.iswindows() && VERSION > v"1.11.0-rc"
+    @timedtestset "Enzyme - Index Manipulations (braid!) $(TensorKit.type_repr(sectortype(eltype(V)))) ($T) Tα $Tα Tβ $Tβ" for V in spacelist, T in eltypes, Tα in Tαs, Tβ in Tβs
+        atol = default_tol(T)
+        rtol = default_tol(T)
+        Vstr = TensorKit.type_repr(sectortype(eltype(V)))
+        has_braiding = BraidingStyle(sectortype(eltype(V))) isa HasBraiding
+        if has_braiding
+            A = randn(T, V[1] ⊗ V[2] ← (V[3] ⊗ V[4] ⊗ V[5])')
+            α = randn(T)
+            β = randn(T)
+            p = randcircshift(numout(A), numin(A))
+            levels = Tuple(randperm(numind(A)))
+            C = randn!(transpose(A, p))
+            EnzymeTestUtils.test_reverse(TensorKit.braid!, Duplicated, (C, Duplicated), (A, Duplicated), (p, Const), (levels, Const), (α, Tα), (β, Tβ); atol, rtol, testset_name = "braid! V $Vstr Tα $Tα Tβ $Tβ")
+            if !(T <: Real) && !is_ci
+                EnzymeTestUtils.test_reverse(TensorKit.braid!, Duplicated, (C, Duplicated), (real(A), Duplicated), (p, Const), (levels, Const), (α, Tα), (β, Tβ); atol, rtol, testset_name = "braid! V $Vstr Tα $Tα Tβ $Tβ")
+                EnzymeTestUtils.test_reverse(TensorKit.braid!, Duplicated, (C, Duplicated), (A, Duplicated), (p, Const), (levels, Const), (real(α), Tα), (β, Tβ); atol, rtol, testset_name = "braid! V $Vstr Tα $Tα Tβ $Tβ")
+                EnzymeTestUtils.test_reverse(TensorKit.braid!, Duplicated, (C, Duplicated), (A, Duplicated), (p, Const), (levels, Const), (real(α), Tα), (real(β), Tβ); atol, rtol, testset_name = "braid! V $Vstr Tα $Tα Tβ $Tβ")
+            end
+        end
+    end
+end
diff --git a/test/enzyme-indexmanipulations/permute.jl b/test/enzyme-indexmanipulations-transform/permute.jl
similarity index 72%
rename from test/enzyme-indexmanipulations/permute.jl
rename to test/enzyme-indexmanipulations-transform/permute.jl
index a7f6126d6..d78ec1e41 100644
--- a/test/enzyme-indexmanipulations/permute.jl
+++ b/test/enzyme-indexmanipulations-transform/permute.jl
@@ -11,14 +11,15 @@ is_ci = get(ENV, "CI", "false") == "true"
 Tαs = is_ci ? (Active,) : (Active, Const)
 Tβs = is_ci ? (Active,) : (Active, Const)
 
-@timedtestset "Enzyme - Index Manipulations (permute!):" begin
-    @timedtestset "$(TensorKit.type_repr(sectortype(eltype(V)))) ($T)" for V in spacelist, T in eltypes
+if VERSION >= v"1.11.0-rc" # segfault issues on 1.10
+    @timedtestset "Enzyme - Index Manipulations (permute!): $(TensorKit.type_repr(sectortype(eltype(V)))) ($T)" for V in spacelist, T in eltypes
+        println(TensorKit.type_repr(sectortype(eltype(V))))
         atol = default_tol(T)
         rtol = default_tol(T)
         symmetricbraiding = BraidingStyle(sectortype(eltype(V))) isa SymmetricBraiding
 
         symmetricbraiding && @timedtestset "permute! Tα $Tα, Tβ $Tβ" for Tα in Tαs, Tβ in Tβs
-            A = randn(T, V[1] ⊗ V[2] ← V[4] ⊗ V[5])
+            A = randn(T, V[1] ⊗ V[2] ← (V[3] ⊗ V[4] ⊗ V[5])')
             α = randn(T)
             β = randn(T)
             p = randindextuple(numind(A))
diff --git a/test/enzyme-indexmanipulations/transpose.jl b/test/enzyme-indexmanipulations-transform/transpose.jl
similarity index 54%
rename from test/enzyme-indexmanipulations/transpose.jl
rename to test/enzyme-indexmanipulations-transform/transpose.jl
index bff2cb379..7ba3e2d42 100644
--- a/test/enzyme-indexmanipulations/transpose.jl
+++ b/test/enzyme-indexmanipulations-transform/transpose.jl
@@ -13,24 +13,24 @@ is_ci = get(ENV, "CI", "false") == "true"
 Tαs = is_ci ? (Active,) : (Active, Const)
 Tβs = is_ci ? (Active,) : (Active, Const)
 
-@timedtestset "Enzyme - Index Manipulations (transpose!):" begin
-    @timedtestset "$(TensorKit.type_repr(sectortype(eltype(V)))) ($T)" for V in spacelist, T in eltypes
+if VERSION > v"1.11.0-rc" # https://github.com/QuantumKitHub/TensorKit.jl/issues/457
+    @timedtestset "Enzyme - Index Manipulations (transpose!) $(TensorKit.type_repr(sectortype(eltype(V)))) ($T)" for V in spacelist, T in eltypes
         atol = default_tol(T)
         rtol = default_tol(T)
-        A = randn(T, V[1] ⊗ V[2] ← V[4] ⊗ V[5])
+        A = randn(T, V[1] ⊗ V[2] ← (V[3] ⊗ V[4] ⊗ V[5])')
         α = randn(T)
         β = randn(T)
 
         # repeat a couple times to get some distribution of arrows
         p = randcircshift(numout(A), numin(A))
         C = randn!(transpose(A, p))
-        EnzymeTestUtils.test_reverse(TensorKit.transpose!, Duplicated, (C, Duplicated), (A, Duplicated), (p, Const), (One(), Const), (Zero(), Const); atol, rtol)
+        !is_ci && EnzymeTestUtils.test_reverse(TensorKit.transpose!, Duplicated, (copy(C), Duplicated), (A, Duplicated), (p, Const), (One(), Const), (Zero(), Const); atol, rtol)
         @testset for Tα in Tαs, Tβ in Tβs
-            EnzymeTestUtils.test_reverse(TensorKit.transpose!, Duplicated, (C, Duplicated), (A, Duplicated), (p, Const), (α, Tα), (β, Tβ); atol, rtol)
+            EnzymeTestUtils.test_reverse(TensorKit.transpose!, Duplicated, (copy(C), Duplicated), (A, Duplicated), (p, Const), (α, Tα), (β, Tβ); atol, rtol)
             if !(T <: Real) && !is_ci
-                EnzymeTestUtils.test_reverse(TensorKit.transpose!, Duplicated, (C, Duplicated), (real(A), Duplicated), (p, Const), (α, Tα), (β, Tβ); atol, rtol)
-                EnzymeTestUtils.test_reverse(TensorKit.transpose!, Duplicated, (C, Duplicated), (A, Duplicated), (p, Const), (real(α), Tα), (β, Tβ); atol, rtol)
-                EnzymeTestUtils.test_reverse(TensorKit.transpose!, Duplicated, (C, Duplicated), (real(A), Duplicated), (p, Const), (real(α), Tα), (β, Tβ); atol, rtol)
+                EnzymeTestUtils.test_reverse(TensorKit.transpose!, Duplicated, (copy(C), Duplicated), (real(A), Duplicated), (p, Const), (α, Tα), (β, Tβ); atol, rtol)
+                EnzymeTestUtils.test_reverse(TensorKit.transpose!, Duplicated, (copy(C), Duplicated), (A, Duplicated), (p, Const), (real(α), Tα), (β, Tβ); atol, rtol)
+                EnzymeTestUtils.test_reverse(TensorKit.transpose!, Duplicated, (copy(C), Duplicated), (real(A), Duplicated), (p, Const), (real(α), Tα), (β, Tβ); atol, rtol)
             end
         end
     end
diff --git a/test/enzyme-indexmanipulations-unit/insertunit.jl b/test/enzyme-indexmanipulations-unit/insertunit.jl
new file mode 100644
index 000000000..9513d5ee7
--- /dev/null
+++ b/test/enzyme-indexmanipulations-unit/insertunit.jl
@@ -0,0 +1,26 @@
+using Test, TestExtras
+using TensorKit
+using Enzyme, EnzymeTestUtils
+using Random
+
+spacelist = ad_spacelist(fast_tests)
+eltypes = (Float64, ComplexF64)
+
+if VERSION > v"1.11.0-rc" # https://github.com/QuantumKitHub/TensorKit.jl/issues/457
+    @timedtestset verbose = true "Enzyme - Index Manipulations (insertunit):" begin
+        @timedtestset verbose = true "$(TensorKit.type_repr(sectortype(eltype(V)))) ($T)" for V in spacelist, T in eltypes, TA in (Duplicated,)
+            atol = default_tol(T)
+            rtol = default_tol(T)
+            A = randn(T, V[1] ⊗ V[2] ← (V[3] ⊗ V[4] ⊗ V[5])')
+            @testset for insertunit in (insertleftunit, insertrightunit)
+                EnzymeTestUtils.test_reverse(insertunit, TA, (A, TA), (Val(1), Const); atol, rtol)
+                EnzymeTestUtils.test_reverse(insertunit, TA, (A, TA), (Val(4), Const); atol, rtol)
+                EnzymeTestUtils.test_reverse(insertunit, TA, (A', TA), (Val(2), Const); atol, rtol)
+                EnzymeTestUtils.test_reverse(insertunit, TA, (A, TA), (Val(1), Const); atol, rtol, fkwargs = (copy = false,))
+                EnzymeTestUtils.test_reverse(insertunit, TA, (A, TA), (Val(2), Const); atol, rtol, fkwargs = (copy = true,))
+                EnzymeTestUtils.test_reverse(insertunit, TA, (A, TA), (Val(3), Const); atol, rtol, fkwargs = (copy = false, dual = true, conj = true))
+                EnzymeTestUtils.test_reverse(insertunit, TA, (A', TA), (Val(3), Const); atol, rtol, fkwargs = (copy = false, dual = true, conj = true))
+            end
+        end
+    end
+end
diff --git a/test/enzyme-indexmanipulations-unit/removeunit.jl b/test/enzyme-indexmanipulations-unit/removeunit.jl
new file mode 100644
index 000000000..2cd632a90
--- /dev/null
+++ b/test/enzyme-indexmanipulations-unit/removeunit.jl
@@ -0,0 +1,22 @@
+using Test, TestExtras
+using TensorKit
+using Enzyme, EnzymeTestUtils
+using Random
+
+spacelist = ad_spacelist(fast_tests)
+eltypes = (Float64, ComplexF64)
+
+if VERSION > v"1.11.0-rc" # https://github.com/QuantumKitHub/TensorKit.jl/issues/457
+    @timedtestset verbose = true "Enzyme - Index Manipulations (removeunit):" begin
+        @timedtestset verbose = true "$(TensorKit.type_repr(sectortype(eltype(V)))) ($T)" for V in spacelist, T in eltypes, TB in (Duplicated,)
+            atol = default_tol(T)
+            rtol = default_tol(T)
+            A = randn(T, V[1] ⊗ V[2] ← (V[3] ⊗ V[4] ⊗ V[5])')
+            for i in 1:2
+                B = insertleftunit(A, i; dual = rand(Bool))
+                EnzymeTestUtils.test_reverse(removeunit, TB, (B, TB), (Val(i), Const); atol, rtol, fkwargs = (copy = false,))
+                EnzymeTestUtils.test_reverse(removeunit, TB, (B, TB), (Val(i), Const); atol, rtol, fkwargs = (copy = true,))
+            end
+        end
+    end
+end
diff --git a/test/enzyme-indexmanipulations/braid.jl b/test/enzyme-indexmanipulations/braid.jl
deleted file mode 100644
index 28d1e52ba..000000000
--- a/test/enzyme-indexmanipulations/braid.jl
+++ /dev/null
@@ -1,32 +0,0 @@
-using Test, TestExtras
-using TensorKit
-using TensorOperations
-using Enzyme, EnzymeTestUtils
-using Random
-
-spacelist = ad_spacelist(fast_tests)
-eltypes = (Float64, ComplexF64)
-
-is_ci = get(ENV, "CI", "false") == "true"
-Tαs = is_ci ? (Active,) : (Active, Const)
-Tβs = is_ci ? (Active,) : (Active, Const)
-
-@timedtestset "Enzyme - Index Manipulations (braid!):" begin
-    @timedtestset "$(TensorKit.type_repr(sectortype(eltype(V)))) ($T) Tα $Tα Tβ $Tβ" for V in spacelist, T in eltypes, Tα in Tαs, Tβ in Tβs
-        atol = default_tol(T)
-        rtol = default_tol(T)
-        Vstr = TensorKit.type_repr(sectortype(eltype(V)))
-        A = randn(T, V[1] ⊗ V[2] ← V[4] ⊗ V[5])
-        α = randn(T)
-        β = randn(T)
-        p = randcircshift(numout(A), numin(A))
-        levels = Tuple(randperm(numind(A)))
-        C = randn!(transpose(A, p))
-        EnzymeTestUtils.test_reverse(TensorKit.braid!, Duplicated, (C, Duplicated), (A, Duplicated), (p, Const), (levels, Const), (α, Tα), (β, Tβ); atol, rtol, testset_name = "braid! V $Vstr Tα $Tα Tβ $Tβ")
-        if !(T <: Real) && !is_ci
-            EnzymeTestUtils.test_reverse(TensorKit.braid!, Duplicated, (C, Duplicated), (real(A), Duplicated), (p, Const), (levels, Const), (α, Tα), (β, Tβ); atol, rtol, testset_name = "braid! V $Vstr Tα $Tα Tβ $Tβ")
-            EnzymeTestUtils.test_reverse(TensorKit.braid!, Duplicated, (C, Duplicated), (A, Duplicated), (p, Const), (levels, Const), (real(α), Tα), (β, Tβ); atol, rtol, testset_name = "braid! V $Vstr Tα $Tα Tβ $Tβ")
-            EnzymeTestUtils.test_reverse(TensorKit.braid!, Duplicated, (C, Duplicated), (A, Duplicated), (p, Const), (levels, Const), (real(α), Tα), (real(β), Tβ); atol, rtol, testset_name = "braid! V $Vstr Tα $Tα Tβ $Tβ")
-        end
-    end
-end
diff --git a/test/enzyme-indexmanipulations/flip.jl b/test/enzyme-indexmanipulations/flip.jl
deleted file mode 100644
index 8afe4e914..000000000
--- a/test/enzyme-indexmanipulations/flip.jl
+++ /dev/null
@@ -1,19 +0,0 @@
-using Test, TestExtras
-using TensorKit
-using Enzyme, EnzymeTestUtils
-using Random
-
-spacelist = ad_spacelist(fast_tests)
-eltypes = (Float64, ComplexF64)
-
-@timedtestset "Enzyme - Index Manipulations (flip):" begin
-    @timedtestset "$(TensorKit.type_repr(sectortype(eltype(V)))) ($T) TA ($TA)" for V in spacelist, T in eltypes, TA in (Duplicated,)
-        atol = default_tol(T)
-        rtol = default_tol(T)
-        A = randn(T, V[1] ⊗ V[2] ← V[4] ⊗ V[5])
-        EnzymeTestUtils.test_reverse(flip, TA, (A, TA), (1, Const); atol, rtol, fkwargs = (inv = false,))
-        EnzymeTestUtils.test_reverse(flip, TA, (A, TA), [1, 3]; atol, rtol, fkwargs = (inv = true,))
-        EnzymeTestUtils.test_reverse(flip, TA, (A, TA), (1, Const); atol, rtol)
-        EnzymeTestUtils.test_reverse(flip, TA, (A, TA), ([1, 3], Const); atol, rtol)
-    end
-end
diff --git a/test/enzyme-indexmanipulations/insertunit.jl b/test/enzyme-indexmanipulations/insertunit.jl
deleted file mode 100644
index 15e02d22c..000000000
--- a/test/enzyme-indexmanipulations/insertunit.jl
+++ /dev/null
@@ -1,24 +0,0 @@
-using Test, TestExtras
-using TensorKit
-using Enzyme, EnzymeTestUtils
-using Random
-
-spacelist = ad_spacelist(fast_tests)
-eltypes = (Float64, ComplexF64)
-
-@timedtestset verbose = true "Enzyme - Index Manipulations (insertunit):" begin
-    @timedtestset verbose = true "$(TensorKit.type_repr(sectortype(eltype(V)))) ($T)" for V in spacelist, T in eltypes, TA in (Duplicated,)
-        atol = default_tol(T)
-        rtol = default_tol(T)
-        A = randn(T, V[1] ⊗ V[2] ← V[4] ⊗ V[5])
-        @testset for insertunit in (insertleftunit, insertrightunit)
-            EnzymeTestUtils.test_reverse(insertunit, TA, (A, TA), (Val(1), Const); atol, rtol)
-            EnzymeTestUtils.test_reverse(insertunit, TA, (A, TA), (Val(4), Const); atol, rtol)
-            EnzymeTestUtils.test_reverse(insertunit, TA, (A', TA), (Val(2), Const); atol, rtol)
-            EnzymeTestUtils.test_reverse(insertunit, TA, (A, TA), (Val(1), Const); atol, rtol, fkwargs = (copy = false,))
-            EnzymeTestUtils.test_reverse(insertunit, TA, (A, TA), (Val(2), Const); atol, rtol, fkwargs = (copy = true,))
-            EnzymeTestUtils.test_reverse(insertunit, TA, (A, TA), (Val(3), Const); atol, rtol, fkwargs = (copy = false, dual = true, conj = true))
-            EnzymeTestUtils.test_reverse(insertunit, TA, (A', TA), (Val(3), Const); atol, rtol, fkwargs = (copy = false, dual = true, conj = true))
-        end
-    end
-end
diff --git a/test/enzyme-indexmanipulations/removeunit.jl b/test/enzyme-indexmanipulations/removeunit.jl
deleted file mode 100644
index 2249483be..000000000
--- a/test/enzyme-indexmanipulations/removeunit.jl
+++ /dev/null
@@ -1,20 +0,0 @@
-using Test, TestExtras
-using TensorKit
-using Enzyme, EnzymeTestUtils
-using Random
-
-spacelist = ad_spacelist(fast_tests)
-eltypes = (Float64, ComplexF64)
-
-@timedtestset verbose = true "Enzyme - Index Manipulations (removeunit):" begin
-    @timedtestset verbose = true "$(TensorKit.type_repr(sectortype(eltype(V)))) ($T)" for V in spacelist, T in eltypes, TB in (Duplicated,)
-        atol = default_tol(T)
-        rtol = default_tol(T)
-        A = randn(T, V[1] ⊗ V[2] ← V[4] ⊗ V[5])
-        for i in 1:2
-            B = insertleftunit(A, i; dual = rand(Bool))
-            EnzymeTestUtils.test_reverse(removeunit, TB, (B, TB), (Val(i), Const); atol, rtol, fkwargs = (copy = false,))
-            EnzymeTestUtils.test_reverse(removeunit, TB, (B, TB), (Val(i), Const); atol, rtol, fkwargs = (copy = true,))
-        end
-    end
-end
diff --git a/test/enzyme-indexmanipulations/twist.jl b/test/enzyme-indexmanipulations/twist.jl
deleted file mode 100644
index c939c76d2..000000000
--- a/test/enzyme-indexmanipulations/twist.jl
+++ /dev/null
@@ -1,23 +0,0 @@
-using Test, TestExtras
-using TensorKit
-using TensorOperations
-using VectorInterface: Zero, One
-using Enzyme, EnzymeTestUtils
-using Random
-
-spacelist = ad_spacelist(fast_tests)
-eltypes = (Float64, ComplexF64)
-
-@timedtestset "Enzyme - Index Manipulations (twist):" begin
-    @timedtestset "$(TensorKit.type_repr(sectortype(eltype(V)))) ($T)" for V in spacelist, T in eltypes, TA in (Duplicated,)
-        atol = default_tol(T)
-        rtol = default_tol(T)
-        A = randn(T, V[1] ⊗ V[2] ← V[4] ⊗ V[5])
-        if !(T <: Real && !(sectorscalartype(sectortype(A)) <: Real))
-            EnzymeTestUtils.test_reverse(twist!, TA, (A, TA), (1, Const); atol, rtol, fkwargs = (inv = false,))
-            EnzymeTestUtils.test_reverse(twist!, TA, (A, TA), ([1, 3], Const); atol, rtol, fkwargs = (inv = true,))
-            EnzymeTestUtils.test_reverse(twist!, TA, (A, TA), (1, Const); atol, rtol)
-            EnzymeTestUtils.test_reverse(twist!, TA, (A, TA), ([1, 3], Const); atol, rtol)
-        end
-    end
-end