diff --git a/query/src/pipelines/new/processors/transforms/hash_join/hash_table.rs b/query/src/pipelines/new/processors/transforms/hash_join/hash_table.rs
index 7df374608dc99..587297e6fa658 100644
--- a/query/src/pipelines/new/processors/transforms/hash_join/hash_table.rs
+++ b/query/src/pipelines/new/processors/transforms/hash_join/hash_table.rs
@@ -19,11 +19,9 @@ use std::sync::Arc;
 use std::sync::Mutex;
 use std::sync::RwLock;
 
-use common_arrow::arrow::bitmap::Bitmap;
 use common_datablocks::DataBlock;
 use common_datablocks::HashMethod;
 use common_datablocks::HashMethodKind;
-use common_datavalues::combine_validities;
 use common_datavalues::ColumnRef;
 use common_datavalues::DataSchemaRef;
 use common_datavalues::DataTypeImpl;
@@ -197,12 +195,6 @@ impl HashJoinState for ChainHashTable {
 
         let hash_values = self.hash(&build_keys, input.num_rows())?;
 
-        let mut null_bitmap: Option<Bitmap> = None;
-        for column in build_keys.iter() {
-            let (_, bitmap) = column.validity();
-            null_bitmap = combine_validities(null_bitmap.as_ref(), bitmap);
-        }
-
         self.row_space.push(input, hash_values)?;
 
         Ok(())