diff --git a/src/utils/constants.jl b/src/utils/constants.jl
index 8403768..e453f1f 100644
--- a/src/utils/constants.jl
+++ b/src/utils/constants.jl
@@ -1,9 +1,4 @@
-
-
-abstract type PDEParams end
-
-
-struct CombinedPDEParams <: PDEParams
+struct CombinedPDEParams
     N::Int
     dx::Float64
     Du::Float64