diff --git a/Cargo.lock b/Cargo.lock
index 91dee99e4484..f036cb4bcfee 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5734,7 +5734,6 @@ dependencies = [
  "once_cell",
  "parking_lot",
  "rand",
- "re_arrow2",
  "re_arrow_util",
  "re_byte_size",
  "re_chunk",
diff --git a/crates/store/re_chunk/src/merge.rs b/crates/store/re_chunk/src/merge.rs
index 0b2831bea12d..d54990e836a1 100644
--- a/crates/store/re_chunk/src/merge.rs
+++ b/crates/store/re_chunk/src/merge.rs
@@ -1,12 +1,10 @@
 use arrow::array::StructArray as ArrowStructArray;
-use arrow::buffer::ScalarBuffer as ArrowScalarBuffer;
 use arrow::array::{Array as ArrowArray, ListArray as ArrowListArray};
+use arrow::buffer::ScalarBuffer as ArrowScalarBuffer;
 use itertools::{izip, Itertools};
 use nohash_hasher::IntMap;
 
-use re_arrow_util::{
-    arrow_util, ArrowArrayDowncastRef as _,
-};
+use re_arrow_util::{arrow_util, ArrowArrayDowncastRef as _};
 
 use crate::{chunk::ChunkComponents, Chunk, ChunkError, ChunkId, ChunkResult, TimeColumn};
 
@@ -108,9 +106,7 @@ impl Chunk {
 
                         let list_array =
                             arrow_util::concat_arrays(&[lhs_list_array, rhs_list_array]).ok()?;
-                        let list_array = list_array
-                            .downcast_array_ref::<ArrowListArray>()?
-                            .clone();
+                        let list_array = list_array.downcast_array_ref::<ArrowListArray>()?.clone();
 
                         Some((component_desc.clone(), list_array))
                     } else {
@@ -149,9 +145,7 @@ impl Chunk {
 
                         let list_array =
                             arrow_util::concat_arrays(&[lhs_list_array, rhs_list_array]).ok()?;
-                        let list_array = list_array
-                            .downcast_array_ref::<ArrowListArray>()?
-                            .clone();
+                        let list_array = list_array.downcast_array_ref::<ArrowListArray>()?.clone();
 
                         Some((component_desc.clone(), list_array))
                     } else {
diff --git a/crates/store/re_chunk_store/Cargo.toml b/crates/store/re_chunk_store/Cargo.toml
index bb712e49da6a..5d842838ffdc 100644
--- a/crates/store/re_chunk_store/Cargo.toml
+++ b/crates/store/re_chunk_store/Cargo.toml
@@ -43,7 +43,6 @@ re_types_core.workspace = true
 ahash.workspace = true
 anyhow.workspace = true
 arrow.workspace = true
-arrow2 = { workspace = true, features = ["compute_concatenate"] }
 document-features.workspace = true
 indent.workspace = true
 itertools.workspace = true
diff --git a/crates/viewer/re_view_spatial/src/visualizers/boxes2d.rs b/crates/viewer/re_view_spatial/src/visualizers/boxes2d.rs
index 59ac190c5759..5fb61892a63d 100644
--- a/crates/viewer/re_view_spatial/src/visualizers/boxes2d.rs
+++ b/crates/viewer/re_view_spatial/src/visualizers/boxes2d.rs
@@ -259,7 +259,8 @@ impl VisualizerSystem for Boxes2DVisualizer {
                             labels: labels.unwrap_or_default(),
                             class_ids: class_ids
                                 .map_or(&[], |class_ids| bytemuck::cast_slice(class_ids)),
-                            show_labels: show_labels.map(|b| !b.is_empty() && b.value(0))
+                            show_labels: show_labels
+                                .map(|b| !b.is_empty() && b.value(0))
                                 .map(Into::into),
                         }
                     },
diff --git a/crates/viewer/re_view_spatial/src/visualizers/boxes3d.rs b/crates/viewer/re_view_spatial/src/visualizers/boxes3d.rs
index 16829040a39d..ba6bc35e343d 100644
--- a/crates/viewer/re_view_spatial/src/visualizers/boxes3d.rs
+++ b/crates/viewer/re_view_spatial/src/visualizers/boxes3d.rs
@@ -194,7 +194,8 @@ impl VisualizerSystem for Boxes3DVisualizer {
                             labels: labels.unwrap_or_default(),
                             class_ids: class_ids
                                 .map_or(&[], |class_ids| bytemuck::cast_slice(class_ids)),
-                            show_labels: show_labels.map(|b| !b.is_empty() && b.value(0))
+                            show_labels: show_labels
+                                .map(|b| !b.is_empty() && b.value(0))
                                 .map(Into::into),
                         }
                     },
diff --git a/crates/viewer/re_view_spatial/src/visualizers/capsules3d.rs b/crates/viewer/re_view_spatial/src/visualizers/capsules3d.rs
index c68496f91938..c7f016a50d9f 100644
--- a/crates/viewer/re_view_spatial/src/visualizers/capsules3d.rs
+++ b/crates/viewer/re_view_spatial/src/visualizers/capsules3d.rs
@@ -203,7 +203,8 @@ impl VisualizerSystem for Capsules3DVisualizer {
                             labels: labels.unwrap_or_default(),
                             class_ids: class_ids
                                 .map_or(&[], |class_ids| bytemuck::cast_slice(class_ids)),
-                            show_labels: show_labels.map(|b| !b.is_empty() && b.value(0))
+                            show_labels: show_labels
+                                .map(|b| !b.is_empty() && b.value(0))
                                 .map(Into::into),
                         }
                     },
diff --git a/crates/viewer/re_view_spatial/src/visualizers/ellipsoids.rs b/crates/viewer/re_view_spatial/src/visualizers/ellipsoids.rs
index 9e31dc47d0b3..43e2f707ae13 100644
--- a/crates/viewer/re_view_spatial/src/visualizers/ellipsoids.rs
+++ b/crates/viewer/re_view_spatial/src/visualizers/ellipsoids.rs
@@ -202,7 +202,8 @@ impl VisualizerSystem for Ellipsoids3DVisualizer {
                             labels: labels.unwrap_or_default(),
                             class_ids: class_ids
                                 .map_or(&[], |class_ids| bytemuck::cast_slice(class_ids)),
-                            show_labels: show_labels.map(|b| !b.is_empty() && b.value(0))
+                            show_labels: show_labels
+                                .map(|b| !b.is_empty() && b.value(0))
                                 .map(Into::into),
                         }
                     },
diff --git a/crates/viewer/re_view_spatial/src/visualizers/lines3d.rs b/crates/viewer/re_view_spatial/src/visualizers/lines3d.rs
index 704781634022..81c3bb5803c0 100644
--- a/crates/viewer/re_view_spatial/src/visualizers/lines3d.rs
+++ b/crates/viewer/re_view_spatial/src/visualizers/lines3d.rs
@@ -239,7 +239,8 @@ impl VisualizerSystem for Lines3DVisualizer {
                             labels: labels.unwrap_or_default(),
                             class_ids: class_ids
                                 .map_or(&[], |class_ids| bytemuck::cast_slice(class_ids)),
-                            show_labels: show_labels.map(|b| !b.is_empty() && b.value(0))
+                            show_labels: show_labels
+                                .map(|b| !b.is_empty() && b.value(0))
                                 .map(Into::into),
                         }
                     },
diff --git a/crates/viewer/re_view_spatial/src/visualizers/points2d.rs b/crates/viewer/re_view_spatial/src/visualizers/points2d.rs
index e4aac02cdf30..b6b9a00c1d39 100644
--- a/crates/viewer/re_view_spatial/src/visualizers/points2d.rs
+++ b/crates/viewer/re_view_spatial/src/visualizers/points2d.rs
@@ -266,7 +266,8 @@ impl VisualizerSystem for Points2DVisualizer {
                                 .map_or(&[], |class_ids| bytemuck::cast_slice(class_ids)),
                             keypoint_ids: keypoint_ids
                                 .map_or(&[], |keypoint_ids| bytemuck::cast_slice(keypoint_ids)),
-                            show_labels: show_labels.map(|b| !b.is_empty() && b.value(0))
+                            show_labels: show_labels
+                                .map(|b| !b.is_empty() && b.value(0))
                                 .map(Into::into),
                         }
                     },
diff --git a/crates/viewer/re_view_spatial/src/visualizers/points3d.rs b/crates/viewer/re_view_spatial/src/visualizers/points3d.rs
index 6f535c5cedc5..9114f9e9f159 100644
--- a/crates/viewer/re_view_spatial/src/visualizers/points3d.rs
+++ b/crates/viewer/re_view_spatial/src/visualizers/points3d.rs
@@ -256,7 +256,8 @@ impl VisualizerSystem for Points3DVisualizer {
                                 .map_or(&[], |class_ids| bytemuck::cast_slice(class_ids)),
                             keypoint_ids: keypoint_ids
                                 .map_or(&[], |keypoint_ids| bytemuck::cast_slice(keypoint_ids)),
-                            show_labels: show_labels.map(|b| !b.is_empty() && b.value(0))
+                            show_labels: show_labels
+                                .map(|b| !b.is_empty() && b.value(0))
                                 .map(Into::into),
                         }
                     },