diff --git a/src/row.rs b/src/row.rs
index 922c99dd..d1ac7905 100644
--- a/src/row.rs
+++ b/src/row.rs
@@ -570,21 +570,6 @@ impl<'stmt> Row<'stmt> {
                 _ => unimplemented!("{:?}", unit),
             },
             // TODO: support more data types
-            // DataType::Dictionary(index_type, _value_type) => match **index_type {
-            //     DataType::Int8 => dict_array_value_to_string::<Int8Type>(column, row),
-            //     DataType::Int16 => dict_array_value_to_string::<Int16Type>(column, row),
-            //     DataType::Int32 => dict_array_value_to_string::<Int32Type>(column, row),
-            //     DataType::Int64 => dict_array_value_to_string::<Int64Type>(column, row),
-            //     DataType::UInt8 => dict_array_value_to_string::<UInt8Type>(column, row),
-            //     DataType::UInt16 => dict_array_value_to_string::<UInt16Type>(column, row),
-            //     DataType::UInt32 => dict_array_value_to_string::<UInt32Type>(column, row),
-            //     DataType::UInt64 => dict_array_value_to_string::<UInt64Type>(column, row),
-            //     _ => Err(ArrowError::InvalidArgumentError(format!(
-            //         "Pretty printing not supported for {:?} due to index type",
-            //         column.data_type()
-            //     ))),
-            // },
-
             // NOTE: DataTypes not supported by duckdb
             // DataType::Date64 => make_string_date!(array::Date64Array, column, row),
             // DataType::Time32(unit) if *unit == TimeUnit::Second => {
diff --git a/src/types/mod.rs b/src/types/mod.rs
index d2ad57ff..93222b09 100644
--- a/src/types/mod.rs
+++ b/src/types/mod.rs
@@ -187,7 +187,6 @@ impl From<&DataType> for Type {
             DataType::LargeList(inner) => Self::List(Box::new(Type::from(inner.data_type()))),
             // DataType::Struct(inner) => Self::Struct,
             // DataType::Union(_, _) => Self::Union,
-            // DataType::Dictionary(_, _) => Self::Enum,
             DataType::Decimal128(..) => Self::Decimal,
             DataType::Decimal256(..) => Self::Decimal,
             // DataType::Map(field, ..) => Self::Map,