diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 74692eb749..23f1509ca1 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -40,4 +40,3 @@ repos:
                 files: \.(c|cc|cxx|cpp|h|hpp|hxx)$
                 entry: clang-format -i
                 args: [--style=file]
-                additional_dependencies: [clang-format]
diff --git a/INSTALL.md b/INSTALL.md
index 42b473da4e..a2f288f66d 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -40,7 +40,7 @@ Both methods are supported. However, for most users we _strongly_ recommend to b
   - Boost.Container: header-only
   - Boost.Test: header-only or (optionally) as a compiled library, *only used for unit testing*
   - Boost.Range: header-only, *only used for unit testing*
-- [BTAS](http://github.com/ValeevGroup/BTAS), tag 8752fb97fc68d1982c48283aba4b03c744389ba8 . If usable BTAS installation is not found, TiledArray will download and compile
+- [BTAS](http://github.com/ValeevGroup/BTAS), tag bbb11894802d7e2f89182a2e7fce9aed1078f851 . If usable BTAS installation is not found, TiledArray will download and compile
   BTAS from source. *This is the recommended way to compile BTAS for all users*.
   - [MADNESS](https://github.com/m-a-d-n-e-s-s/madness), tag b22ee85059e6ccc9a6e803ba0550652ece8d9df1 .
   Only the MADworld runtime and BLAS/LAPACK C API component of MADNESS is used by TiledArray.
diff --git a/external/versions.cmake b/external/versions.cmake
index 8ad6d8eb6b..cb0d892014 100644
--- a/external/versions.cmake
+++ b/external/versions.cmake
@@ -22,8 +22,8 @@ set(TA_TRACKED_MADNESS_PREVIOUS_TAG 925552feaf326cca8e83de7bd042074ad3cfd3f1)
 set(TA_TRACKED_MADNESS_VERSION 0.10.1)
 set(TA_TRACKED_MADNESS_PREVIOUS_VERSION 0.10.1)
 
-set(TA_TRACKED_BTAS_TAG 8752fb97fc68d1982c48283aba4b03c744389ba8)
-set(TA_TRACKED_BTAS_PREVIOUS_TAG 1ee43ef413c12166e3ce3db2ac69160c7622f497)
+set(TA_TRACKED_BTAS_TAG bbb11894802d7e2f89182a2e7fce9aed1078f851)
+set(TA_TRACKED_BTAS_PREVIOUS_TAG 8752fb97fc68d1982c48283aba4b03c744389ba8)
 
 set(TA_TRACKED_CUTT_TAG 0e8685bf82910bc7435835f846e88f1b39f47f09)
 set(TA_TRACKED_CUTT_PREVIOUS_TAG 592198b93c93b7ca79e7900b9a9f2e79f9dafec3)
diff --git a/src/TiledArray/external/btas.h b/src/TiledArray/external/btas.h
index 8f1b99c9e9..294298d50d 100644
--- a/src/TiledArray/external/btas.h
+++ b/src/TiledArray/external/btas.h
@@ -851,91 +851,4 @@ struct Cast<TiledArray::Tensor<T, Allocator>,
 };
 }  // namespace TiledArray
 
-namespace madness {
-namespace archive {
-
-template <class Archive, typename T>
-struct ArchiveLoadImpl<Archive, btas::varray<T>> {
-  static inline void load(const Archive& ar, btas::varray<T>& x) {
-    typename btas::varray<T>::size_type n{};
-    ar& n;
-    x.resize(n);
-    for (typename btas::varray<T>::value_type& xi : x) ar& xi;
-  }
-};
-
-template <class Archive, typename T>
-struct ArchiveStoreImpl<Archive, btas::varray<T>> {
-  static inline void store(const Archive& ar, const btas::varray<T>& x) {
-    ar& x.size();
-    for (const typename btas::varray<T>::value_type& xi : x) ar& xi;
-  }
-};
-
-template <class Archive, blas::Layout _Order, typename _Index>
-struct ArchiveLoadImpl<Archive, btas::BoxOrdinal<_Order, _Index>> {
-  static inline void load(const Archive& ar,
-                          btas::BoxOrdinal<_Order, _Index>& o) {
-    typename btas::BoxOrdinal<_Order, _Index>::stride_type stride{};
-    typename btas::BoxOrdinal<_Order, _Index>::value_type offset{};
-    bool cont{};
-    ar& stride& offset& cont;
-    o = btas::BoxOrdinal<_Order, _Index>(std::move(stride), std::move(offset),
-                                         std::move(cont));
-  }
-};
-
-template <class Archive, blas::Layout _Order, typename _Index>
-struct ArchiveStoreImpl<Archive, btas::BoxOrdinal<_Order, _Index>> {
-  static inline void store(const Archive& ar,
-                           const btas::BoxOrdinal<_Order, _Index>& o) {
-    ar& o.stride() & o.offset() & o.contiguous();
-  }
-};
-
-template <class Archive, blas::Layout _Order, typename _Index,
-          typename _Ordinal>
-struct ArchiveLoadImpl<Archive, btas::RangeNd<_Order, _Index, _Ordinal>> {
-  static inline void load(const Archive& ar,
-                          btas::RangeNd<_Order, _Index, _Ordinal>& r) {
-    typedef typename btas::BaseRangeNd<
-        btas::RangeNd<_Order, _Index, _Ordinal>>::index_type index_type;
-    index_type lobound{}, upbound{};
-    _Ordinal ordinal{};
-    ar& lobound& upbound& ordinal;
-    r = btas::RangeNd<_Order, _Index, _Ordinal>(
-        std::move(lobound), std::move(upbound), std::move(ordinal));
-  }
-};
-
-template <class Archive, blas::Layout _Order, typename _Index,
-          typename _Ordinal>
-struct ArchiveStoreImpl<Archive, btas::RangeNd<_Order, _Index, _Ordinal>> {
-  static inline void store(const Archive& ar,
-                           const btas::RangeNd<_Order, _Index, _Ordinal>& r) {
-    ar& r.lobound() & r.upbound() & r.ordinal();
-  }
-};
-
-template <class Archive, typename _T, class _Range, class _Store>
-struct ArchiveLoadImpl<Archive, btas::Tensor<_T, _Range, _Store>> {
-  static inline void load(const Archive& ar,
-                          btas::Tensor<_T, _Range, _Store>& t) {
-    _Range range{};
-    _Store store{};
-    ar& range& store;
-    t = btas::Tensor<_T, _Range, _Store>(std::move(range), std::move(store));
-  }
-};
-
-template <class Archive, typename _T, class _Range, class _Store>
-struct ArchiveStoreImpl<Archive, btas::Tensor<_T, _Range, _Store>> {
-  static inline void store(const Archive& ar,
-                           const btas::Tensor<_T, _Range, _Store>& t) {
-    ar& t.range() & t.storage();
-  }
-};
-}  // namespace archive
-}  // namespace madness
-
 #endif /* TILEDARRAY_EXTERNAL_BTAS_H__INCLUDED */
diff --git a/src/TiledArray/util/vector.h b/src/TiledArray/util/vector.h
index 5d578ceb82..e98688b20f 100644
--- a/src/TiledArray/util/vector.h
+++ b/src/TiledArray/util/vector.h
@@ -26,9 +26,9 @@
 #ifndef TILEDARRAY_UTIL_VECTOR_H
 #define TILEDARRAY_UTIL_VECTOR_H
 
-#include "TiledArray/config.h"
 #include <boost/container/small_vector.hpp>
 #include <vector>
+#include "TiledArray/config.h"
 
 #include <TiledArray/utility.h>
 #include <madness/world/archive.h>
@@ -84,32 +84,6 @@ constexpr auto iv(Int i0, Ints... rest) {
 }  // namespace container
 }  // namespace TiledArray
 
-namespace madness {
-namespace archive {
-
-template <class Archive, typename T, std::size_t N, typename A>
-struct ArchiveLoadImpl<Archive, boost::container::small_vector<T, N, A>> {
-  static inline void load(const Archive& ar,
-                          boost::container::small_vector<T, N, A>& x) {
-    std::size_t n{};
-    ar& n;
-    x.resize(n);
-    for (auto& xi : x) ar& xi;
-  }
-};
-
-template <class Archive, typename T, std::size_t N, typename A>
-struct ArchiveStoreImpl<Archive, boost::container::small_vector<T, N, A>> {
-  static inline void store(const Archive& ar,
-                           const boost::container::small_vector<T, N, A>& x) {
-    ar& x.size();
-    for (const auto& xi : x) ar& xi;
-  }
-};
-
-}  // namespace archive
-}  // namespace madness
-
 namespace TiledArray {
 
 /// Vector output stream operator