diff --git a/src/protocol/eval/value.rs b/src/protocol/eval/value.rs
index efbba361c6c6e4f6f9de09d26edf2b80cfaeaa5e..0f8dd46cbe48ed7d5afd0fadff97de3c50bd0b26 100644
--- a/src/protocol/eval/value.rs
+++ b/src/protocol/eval/value.rs
@@ -493,10 +493,6 @@ pub(crate) fn apply_unary_operator(store: &mut Store, op: UnaryOperator, value:
         },
         UO::BitwiseNot => { apply_int_expr_and_return!(value, !, op)},
         UO::LogicalNot => { return Value::Bool(!value.as_bool()); },
-        UO::PreIncrement => { todo!("implement") },
-        UO::PreDecrement => { todo!("implement") },
-        UO::PostIncrement => { todo!("implement") },
-        UO::PostDecrement => { todo!("implement") },
     }
 }