diff --git a/src/Domain/Creators/BinaryCompactObject.cpp b/src/Domain/Creators/BinaryCompactObject.cpp
index 36e4f335a8f54..bff72d22af793 100644
--- a/src/Domain/Creators/BinaryCompactObject.cpp
+++ b/src/Domain/Creators/BinaryCompactObject.cpp
@@ -357,11 +357,11 @@ Domain<3> BinaryCompactObject::create_domain() const {
   Maps maps{};
 
   // ObjectA/B is on the right/left, respectively.
-  const Translation translation_A{
+  const Affine3D translation_A{
       Affine{-1.0, 1.0, -1.0 + x_coord_a_, 1.0 + x_coord_a_},
       Affine{-1.0, 1.0, -1.0 + y_offset_, 1.0 + y_offset_},
       Affine{-1.0, 1.0, -1.0 + z_offset_, 1.0 + z_offset_}};
-  const Translation translation_B{
+  const Affine3D translation_B{
       Affine{-1.0, 1.0, -1.0 + x_coord_b_, 1.0 + x_coord_b_},
       Affine{-1.0, 1.0, -1.0 + y_offset_, 1.0 + y_offset_},
       Affine{-1.0, 1.0, -1.0 + z_offset_, 1.0 + z_offset_}};
diff --git a/src/Domain/Creators/BinaryCompactObject.hpp b/src/Domain/Creators/BinaryCompactObject.hpp
index bbb872aaae769..9468df7851b0c 100644
--- a/src/Domain/Creators/BinaryCompactObject.hpp
+++ b/src/Domain/Creators/BinaryCompactObject.hpp
@@ -151,7 +151,9 @@ class BinaryCompactObject : public DomainCreator<3> {
   using Affine = CoordinateMaps::Affine;
   using Affine3D = CoordinateMaps::ProductOf3Maps<Affine, Affine, Affine>;
   using Identity2D = CoordinateMaps::Identity<2>;
-  using Translation = CoordinateMaps::ProductOf3Maps<Affine, Affine, Affine>;
+  // The Translation type is no longer needed, but it is kept here for backwards
+  // compatibility with old domains.
+  using Translation = CoordinateMaps::ProductOf2Maps<Affine, Identity2D>;
   using Equiangular = CoordinateMaps::Equiangular;
   using Equiangular3D =
       CoordinateMaps::ProductOf3Maps<Equiangular, Equiangular, Equiangular>;
@@ -175,6 +177,12 @@ class BinaryCompactObject : public DomainCreator<3> {
                             CoordinateMaps::Wedge<3>>,
       domain::CoordinateMap<Frame::BlockLogical, Frame::Inertial,
                             CoordinateMaps::Wedge<3>, Translation>,
+      domain::CoordinateMap<Frame::BlockLogical, Frame::Inertial, Affine3D,
+                            Affine3D>,
+      domain::CoordinateMap<Frame::BlockLogical, Frame::Inertial, Equiangular3D,
+                            Affine3D>,
+      domain::CoordinateMap<Frame::BlockLogical, Frame::Inertial,
+                            CoordinateMaps::Wedge<3>, Affine3D>,
       bco::TimeDependentMapOptions<false>::maps_list>>;
 
   /// Options for an excision region in the domain
diff --git a/src/PointwiseFunctions/AnalyticData/Xcts/Binary.hpp b/src/PointwiseFunctions/AnalyticData/Xcts/Binary.hpp
index 4170501a19e16..b2d4f5143387f 100644
--- a/src/PointwiseFunctions/AnalyticData/Xcts/Binary.hpp
+++ b/src/PointwiseFunctions/AnalyticData/Xcts/Binary.hpp
@@ -473,7 +473,7 @@ class Binary : public elliptic::analytic_data::Background,
           inv_jacobian,
       tmpl::list<RequestedTags...> /*meta*/) const {
     std::array<tnsr::I<DataVector, 3>, 2> x_isolated{{x, x}};
-    std::array<std::array<double, 3>, 2> coords_isolated{
+    const std::array<std::array<double, 3>, 2> coords_isolated{
         {{{xcoords_[0], y_offset_, z_offset_}},
          {{xcoords_[1], y_offset_, z_offset_}}}};
     std::array<DataVector, 2> euclidean_distance{};
diff --git a/tests/Unit/Domain/Test_Domain.cpp b/tests/Unit/Domain/Test_Domain.cpp
index 8b61ec0460b19..3da4bb8457956 100644
--- a/tests/Unit/Domain/Test_Domain.cpp
+++ b/tests/Unit/Domain/Test_Domain.cpp
@@ -1145,8 +1145,8 @@ Domain<3> create_serialized_domain() {
 
   const double x_coord_a = object_A.x_coord;
   const double x_coord_b = object_B.x_coord;
-  const double y_offset = 0.1;
-  const double z_offset = 0.2;
+  const double y_offset = 0.;
+  const double z_offset = 0.;
   const double envelope_radius = 100.0;
   const double outer_radius = 300.0;
   const double inner_sphericity_A = 1.0;