diff --git a/beacon_node/beacon_chain/src/test_utils.rs b/beacon_node/beacon_chain/src/test_utils.rs
index b7db2462ca9..86b3ae4d9ff 100644
--- a/beacon_node/beacon_chain/src/test_utils.rs
+++ b/beacon_node/beacon_chain/src/test_utils.rs
@@ -2584,26 +2584,13 @@ pub fn generate_rand_block_and_data_columns<E: EthSpec>(
     rng: &mut impl Rng,
 ) -> (
     SignedBeaconBlock<E, FullPayload<E>>,
-    Vec<DataColumnSidecar<E>>,
+    Vec<Arc<DataColumnSidecar<E>>>,
 ) {
     let (block, blobs) = generate_rand_block_and_blobs(fork_name, num_blobs, rng);
-    let blob = blobs.first().expect("should have at least 1 blob");
-
-    let data_columns = (0..E::number_of_columns())
-        .map(|index| DataColumnSidecar {
-            index: index as u64,
-            column: <_>::default(),
-            kzg_commitments: block
-                .message()
-                .body()
-                .blob_kzg_commitments()
-                .unwrap()
-                .clone(),
-            kzg_proofs: (vec![]).into(),
-            signed_block_header: blob.signed_block_header.clone(),
-            kzg_commitments_inclusion_proof: <_>::default(),
-        })
-        .collect::<Vec<_>>();
+    let blob: BlobsList<E> = blobs.into_iter().map(|b| b.blob).collect::<Vec<_>>().into();
+    let data_columns = DataColumnSidecar::build_sidecars(&blob, &block, &KZG)
+        .unwrap()
+        .into();
 
     (block, data_columns)
 }
diff --git a/beacon_node/network/src/sync/block_lookups/tests.rs b/beacon_node/network/src/sync/block_lookups/tests.rs
index 173ae761f65..222d58604da 100644
--- a/beacon_node/network/src/sync/block_lookups/tests.rs
+++ b/beacon_node/network/src/sync/block_lookups/tests.rs
@@ -241,7 +241,9 @@ impl TestRig {
         generate_rand_block_and_blobs::<E>(fork_name, num_blobs, rng)
     }
 
-    fn rand_block_and_data_columns(&mut self) -> (SignedBeaconBlock<E>, Vec<DataColumnSidecar<E>>) {
+    fn rand_block_and_data_columns(
+        &mut self,
+    ) -> (SignedBeaconBlock<E>, Vec<Arc<DataColumnSidecar<E>>>) {
         let num_blobs = NumBlobs::Number(1);
         generate_rand_block_and_data_columns::<E>(self.fork_name, num_blobs, &mut self.rng)
     }
@@ -640,7 +642,7 @@ impl TestRig {
     fn complete_valid_sampling_column_requests(
         &mut self,
         sampling_ids: SamplingIds,
-        data_columns: Vec<DataColumnSidecar<E>>,
+        data_columns: Vec<Arc<DataColumnSidecar<E>>>,
     ) {
         for (id, column_index) in sampling_ids {
             self.log(&format!("return valid data column for {column_index}"));
@@ -654,7 +656,7 @@ impl TestRig {
     fn complete_valid_sampling_column_request(
         &mut self,
         id: DataColumnsByRootRequestId,
-        data_column: DataColumnSidecar<E>,
+        data_column: Arc<DataColumnSidecar<E>>,
     ) {
         let block_root = data_column.block_root();
         let column_index = data_column.index;
@@ -677,7 +679,7 @@ impl TestRig {
     fn complete_valid_custody_request(
         &mut self,
         sampling_ids: SamplingIds,
-        data_columns: Vec<DataColumnSidecar<E>>,
+        data_columns: Vec<Arc<DataColumnSidecar<E>>>,
         missing_components: bool,
     ) {
         let lookup_id = if let DataColumnsByRootRequester::Custody(id) =
@@ -720,14 +722,14 @@ impl TestRig {
     fn complete_data_columns_by_root_request(
         &mut self,
         id: DataColumnsByRootRequestId,
-        data_column: DataColumnSidecar<E>,
+        data_column: Arc<DataColumnSidecar<E>>,
     ) {
         let peer_id = PeerId::random();
         // Send chunk
         self.send_sync_message(SyncMessage::RpcDataColumn {
             request_id: SyncRequestId::DataColumnsByRoot(id),
             peer_id,
-            data_column: Some(Arc::new(data_column)),
+            data_column: Some(data_column),
             seen_timestamp: timestamp_now(),
         });
         // Send stream termination
diff --git a/consensus/types/src/data_column_sidecar.rs b/consensus/types/src/data_column_sidecar.rs
index c6183414c5d..75687a43dfa 100644
--- a/consensus/types/src/data_column_sidecar.rs
+++ b/consensus/types/src/data_column_sidecar.rs
@@ -461,6 +461,7 @@ mod test {
                 col_sidecar.kzg_commitments_inclusion_proof,
                 block_kzg_commitments_inclusion_proof
             );
+            assert!(col_sidecar.verify_inclusion_proof());
         }
     }