diff --git a/src/dataframe/mod.rs b/src/dataframe/mod.rs
index 3dd102e..c477580 100644
--- a/src/dataframe/mod.rs
+++ b/src/dataframe/mod.rs
@@ -1,4 +1,4 @@
 //! This module provides the DataFrame structure for handling tabular data with mixed types.
 pub mod df;
 
-pub use df::{DataFrame, DataFrameColumn, TypedFrame};
+pub use df::{DataFrame, SubFrame};