diff --git a/examples/tree_3d_dgsem/elixir_advection_basic_catalyst.jl:Zone.Identifier b/examples/tree_3d_dgsem/elixir_advection_basic_catalyst.jl:Zone.Identifier deleted file mode 100644 index e69de29bb2d..00000000000 diff --git a/src/callbacks_step/paraview_catalyst.jl:Zone.Identifier b/src/callbacks_step/paraview_catalyst.jl:Zone.Identifier deleted file mode 100644 index e69de29bb2d..00000000000