diff --git a/examples/tree_1d_dgsem/elixir_burgers_rarefaction.jl b/examples/tree_1d_dgsem/elixir_burgers_rarefaction.jl
index d32b9d6f1f..843d8a7aa4 100644
--- a/examples/tree_1d_dgsem/elixir_burgers_rarefaction.jl
+++ b/examples/tree_1d_dgsem/elixir_burgers_rarefaction.jl
@@ -43,10 +43,7 @@ end
 ###############################################################################
 # Specify non-periodic boundary conditions
 
-function inflow(x, t, equations::InviscidBurgersEquation1D)
-    return initial_condition_rarefaction(coordinate_min, t, equations)
-end
-boundary_condition_inflow = BoundaryConditionDirichlet(inflow)
+boundary_condition_inflow = BoundaryConditionDirichlet(initial_condition_rarefaction)
 
 function boundary_condition_outflow(u_inner, orientation, normal_direction, x, t,
                                     surface_flux_function,
diff --git a/examples/tree_1d_dgsem/elixir_burgers_shock.jl b/examples/tree_1d_dgsem/elixir_burgers_shock.jl
index 1f0b0e7e04..09c6cee9f9 100644
--- a/examples/tree_1d_dgsem/elixir_burgers_shock.jl
+++ b/examples/tree_1d_dgsem/elixir_burgers_shock.jl
@@ -43,10 +43,7 @@ end
 ###############################################################################
 # Specify non-periodic boundary conditions
 
-function inflow(x, t, equations::InviscidBurgersEquation1D)
-    return initial_condition_shock(coordinate_min, t, equations)
-end
-boundary_condition_inflow = BoundaryConditionDirichlet(inflow)
+boundary_condition_inflow = BoundaryConditionDirichlet(initial_condition_shock)
 
 function boundary_condition_outflow(u_inner, orientation, normal_direction, x, t,
                                     surface_flux_function,