diff --git a/src/parser.py b/src/parser.py
index 5b7b634..5cd641f 100644
--- a/src/parser.py
+++ b/src/parser.py
@@ -80,7 +80,7 @@ def parse_csv(csv_path: PathLike) -> pl.LazyFrame:
         )
         byte_exprs.append(expr)
 
-    lf = lf.with_columns(byte_exprs)
+    lf = lf.with_columns(byte_exprs).drop("Data")
 
     return lf.with_columns([
         pl.col("DLC").cast(pl.UInt8),