diff --git a/crates/aiken-lang/src/gen_uplc.rs b/crates/aiken-lang/src/gen_uplc.rs
index ba1323e5..6ed561b9 100644
--- a/crates/aiken-lang/src/gen_uplc.rs
+++ b/crates/aiken-lang/src/gen_uplc.rs
@@ -45,7 +45,7 @@ use self::{
         lookup_data_type_by_tipo, modify_cyclic_calls, modify_self_calls, rearrange_list_clauses,
         AssignmentProperties, ClauseProperties, CodeGenSpecialFuncs, CycleFunctionNames,
         DataTypeKey, FunctionAccessKey, HoistableFunction, Variant, CONSTR_NOT_EMPTY,
-        INCORRECT_CONSTR, LIST_NOT_EMPTY, TOO_MANY_ITEMS,
+        LIST_NOT_EMPTY, TOO_MANY_ITEMS,
     },
     tree::{AirExpression, AirTree, TreePath},
 };
diff --git a/crates/aiken-project/src/tests/gen_uplc.rs b/crates/aiken-project/src/tests/gen_uplc.rs
index d003c9fa..25f7f33c 100644
--- a/crates/aiken-project/src/tests/gen_uplc.rs
+++ b/crates/aiken-project/src/tests/gen_uplc.rs
@@ -5542,7 +5542,7 @@ fn expect_none() {
             .apply(Term::var(CONSTR_INDEX_EXPOSER).apply(Term::var("x")))
             .delayed_if_then_else(
                 Term::bool(true),
-                Term::Error.delayed_trace(Term::string("Expected on incorrect Constr variant")),
+                Term::Error.delayed_trace(Term::string("expect None = x")),
             )
             .lambda("x")
             .apply(Term::Constant(