diff --git a/src/semidiscretization/semidiscretization_coupled.jl b/src/semidiscretization/semidiscretization_coupled.jl
index 4fc77cb6a60..49763b12e5d 100644
--- a/src/semidiscretization/semidiscretization_coupled.jl
+++ b/src/semidiscretization/semidiscretization_coupled.jl
@@ -371,9 +371,8 @@ mutable struct BoundaryConditionCoupled{NDIMS, NDIMST2M1, uEltype <: Real, Indic
     other_semi_index  :: Int
     other_orientation :: Int
     indices           :: Indices
-    coupling_converter :: Function
 
-    function BoundaryConditionCoupled(other_semi_index, indices, uEltype, coupling_converter)
+    function BoundaryConditionCoupled(other_semi_index, indices, uEltype)
         NDIMS = length(indices)
         u_boundary = Array{uEltype, NDIMS * 2 - 1}(undef, ntuple(_ -> 0, NDIMS * 2 - 1))
 
@@ -386,7 +385,7 @@ mutable struct BoundaryConditionCoupled{NDIMS, NDIMST2M1, uEltype <: Real, Indic
         end
 
         new{NDIMS, NDIMS * 2 - 1, uEltype, typeof(indices)}(u_boundary, other_semi_index,
-                                                            other_orientation, indices, coupling_converter)
+                                                            other_orientation, indices)
     end
 end
 
@@ -496,12 +495,9 @@ function copy_to_coupled_boundary!(boundary_condition::BoundaryConditionCoupled{
 
         for i in eachnode(solver)
             for v in 1:size(u, 1)
-                x = cache.elements.node_coordinates[:, i_node, j_node, linear_indices[i_cell, j_cell]]
-                converted_u = boundary_condition.coupling_converter(x, u[:, i_node, j_node, linear_indices[i_cell, j_cell]])
-                boundary_condition.u_boundary[v, i, cell] = converted_u[v]
-                # boundary_condition.u_boundary[v, i, cell] = u[v, i_node, j_node,
-                #                                               linear_indices[i_cell,
-                #                                                              j_cell]]
+                boundary_condition.u_boundary[v, i, cell] = u[v, i_node, j_node,
+                                                              linear_indices[i_cell,
+                                                                             j_cell]]
             end
             i_node += i_node_step
             j_node += j_node_step