diff --git a/Project.toml b/Project.toml
index 3e72f27..14f53e9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "IntervalMDP"
 uuid = "051c988a-e73c-45a4-90ec-875cac0402c7"
 authors = ["Frederik Baymler Mathiesen <frederik@baymler.com> and contributors"]
-version = "0.4.0"
+version = "0.4.1"
 
 [deps]
 JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
diff --git a/src/Data/prism.jl b/src/Data/prism.jl
index deedf36..d28491a 100644
--- a/src/Data/prism.jl
+++ b/src/Data/prism.jl
@@ -368,9 +368,6 @@ function read_prism_transitions_file(tra_path, num_states)
             probs_upper_nzval,
         )
 
-        # probs_lower = sparse_hcat(probs_lower...)
-        # probs_upper = sparse_hcat(probs_upper...)
-
         probs = IntervalProbabilities(; lower = probs_lower, upper = probs_upper)
 
         return probs, stateptr