diff --git a/datafusion/core/src/prelude.rs b/datafusion/core/src/prelude.rs
index 11ca3332d5a5..c5f2b4fbf1ca 100644
--- a/datafusion/core/src/prelude.rs
+++ b/datafusion/core/src/prelude.rs
@@ -37,5 +37,5 @@ pub use crate::logical_plan::{
     md5, min, not_exists, not_in_subquery, now, octet_length, random, regexp_match,
     regexp_replace, repeat, replace, reverse, right, rpad, rtrim, scalar_subquery,
     sha224, sha256, sha384, sha512, split_part, starts_with, strpos, substr, sum, to_hex,
-    translate, trim, upper, Column, JoinType, Partitioning,
+    translate, trim, upper, Column, Expr, JoinType, Partitioning,
 };
diff --git a/datafusion/core/tests/dataframe_functions.rs b/datafusion/core/tests/dataframe_functions.rs
index 10cbe98ead25..48e39f37090b 100644
--- a/datafusion/core/tests/dataframe_functions.rs
+++ b/datafusion/core/tests/dataframe_functions.rs
@@ -28,7 +28,6 @@ use datafusion::datasource::MemTable;
 
 use datafusion::error::Result;
 
-// use datafusion::logical_plan::Expr;
 use datafusion::prelude::*;
 
 use datafusion::execution::context::SessionContext;