diff --git a/src/Trixi.jl b/src/Trixi.jl
index 0bbc83819e8..483e1ea5a28 100644
--- a/src/Trixi.jl
+++ b/src/Trixi.jl
@@ -199,8 +199,7 @@ export boundary_condition_do_nothing,
        BoundaryConditionNavierStokesWall, NoSlip, Adiabatic, Isothermal,
        BoundaryConditionCoupled
 
-export coupling_converter_identity,
-       coupling_converter_heaviside_2d, coupling_converter_linear_2d
+export coupling_converter_identity
 
 export initial_condition_convergence_test, source_terms_convergence_test
 export source_terms_harmonic