diff --git a/libcxx/include/__bit/byteswap.h b/libcxx/include/__bit/byteswap.h
--- a/libcxx/include/__bit/byteswap.h
+++ b/libcxx/include/__bit/byteswap.h
@@ -13,7 +13,6 @@
 #include <__concepts/arithmetic.h>
 #include <__config>
 #include <cstdint>
-#include <cstdlib>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #  pragma GCC system_header
diff --git a/libcxx/include/__expected/expected.h b/libcxx/include/__expected/expected.h
--- a/libcxx/include/__expected/expected.h
+++ b/libcxx/include/__expected/expected.h
@@ -50,7 +50,6 @@
 #include <__utility/move.h>
 #include <__utility/swap.h>
 #include <__verbose_abort>
-#include <cstdlib> // for std::abort
 #include <initializer_list>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
diff --git a/libcxx/include/__filesystem/directory_entry.h b/libcxx/include/__filesystem/directory_entry.h
--- a/libcxx/include/__filesystem/directory_entry.h
+++ b/libcxx/include/__filesystem/directory_entry.h
@@ -23,7 +23,6 @@
 #include <__filesystem/perms.h>
 #include <__utility/unreachable.h>
 #include <cstdint>
-#include <cstdlib>
 #include <iosfwd>
 #include <system_error>
 
diff --git a/libcxx/include/__iterator/advance.h b/libcxx/include/__iterator/advance.h
--- a/libcxx/include/__iterator/advance.h
+++ b/libcxx/include/__iterator/advance.h
@@ -23,7 +23,6 @@
 #include <__utility/declval.h>
 #include <__utility/move.h>
 #include <__utility/unreachable.h>
-#include <cstdlib>
 #include <limits>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
diff --git a/libcxx/include/__locale b/libcxx/include/__locale
--- a/libcxx/include/__locale
+++ b/libcxx/include/__locale
@@ -14,6 +14,7 @@
 #include <__config>
 #include <cctype>
 #include <cstdint>
+#include <cstdlib>
 #include <locale.h>
 #include <mutex>
 #include <string>
diff --git a/libcxx/include/__memory/shared_ptr.h b/libcxx/include/__memory/shared_ptr.h
--- a/libcxx/include/__memory/shared_ptr.h
+++ b/libcxx/include/__memory/shared_ptr.h
@@ -49,7 +49,6 @@
 #include <__utility/swap.h>
 #include <__verbose_abort>
 #include <cstddef>
-#include <cstdlib> // abort
 #include <iosfwd>
 #include <new>
 #include <stdexcept>
diff --git a/libcxx/include/algorithm b/libcxx/include/algorithm
--- a/libcxx/include/algorithm
+++ b/libcxx/include/algorithm
@@ -1929,6 +1929,7 @@
 #  include <atomic>
 #  include <bit>
 #  include <concepts>
+#  include <cstdlib>
 #  include <cstring>
 #  include <iterator>
 #  include <memory>
diff --git a/libcxx/include/any b/libcxx/include/any
--- a/libcxx/include/any
+++ b/libcxx/include/any
@@ -107,7 +107,6 @@
 #include <__utility/move.h>
 #include <__utility/unreachable.h>
 #include <__verbose_abort>
-#include <cstdlib>
 #include <initializer_list>
 #include <typeinfo>
 #include <version>
@@ -718,6 +717,7 @@
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <atomic>
 #  include <concepts>
+#  include <cstdlib>
 #  include <iosfwd>
 #  include <iterator>
 #  include <memory>
diff --git a/libcxx/include/array b/libcxx/include/array
--- a/libcxx/include/array
+++ b/libcxx/include/array
@@ -544,6 +544,7 @@
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <algorithm>
 #  include <concepts>
+#  include <cstdlib>
 #  include <iterator>
 #  include <type_traits>
 #  include <utility>
diff --git a/libcxx/include/bit b/libcxx/include/bit
--- a/libcxx/include/bit
+++ b/libcxx/include/bit
@@ -83,6 +83,7 @@
 #endif
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
+#  include <cstdlib>
 #  include <iosfwd>
 #  include <limits>
 #  include <type_traits>
diff --git a/libcxx/include/bitset b/libcxx/include/bitset
--- a/libcxx/include/bitset
+++ b/libcxx/include/bitset
@@ -1154,6 +1154,7 @@
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <concepts>
+#  include <cstdlib>
 #  include <type_traits>
 #endif
 
diff --git a/libcxx/include/charconv b/libcxx/include/charconv
--- a/libcxx/include/charconv
+++ b/libcxx/include/charconv
@@ -83,7 +83,6 @@
 #include <__errc>
 #include <cmath> // for log2f
 #include <cstdint>
-#include <cstdlib>
 #include <limits>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
@@ -96,6 +95,7 @@
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <concepts>
+#  include <cstdlib>
 #  include <cstring>
 #  include <iosfwd>
 #  include <type_traits>
diff --git a/libcxx/include/deque b/libcxx/include/deque
--- a/libcxx/include/deque
+++ b/libcxx/include/deque
@@ -2456,6 +2456,7 @@
 #  include <algorithm>
 #  include <atomic>
 #  include <concepts>
+#  include <cstdlib>
 #  include <functional>
 #  include <iosfwd>
 #  include <iterator>
diff --git a/libcxx/include/experimental/memory_resource b/libcxx/include/experimental/memory_resource
--- a/libcxx/include/experimental/memory_resource
+++ b/libcxx/include/experimental/memory_resource
@@ -69,7 +69,6 @@
 #include <__type_traits/aligned_storage.h>
 #include <__utility/move.h>
 #include <cstddef>
-#include <cstdlib>
 #include <experimental/__config>
 #include <experimental/__memory>
 #include <limits>
@@ -432,6 +431,7 @@
 #  include <atomic>
 #  include <climits>
 #  include <concepts>
+#  include <cstdlib>
 #  include <cstring>
 #  include <ctime>
 #  include <iterator>
diff --git a/libcxx/include/filesystem b/libcxx/include/filesystem
--- a/libcxx/include/filesystem
+++ b/libcxx/include/filesystem
@@ -467,6 +467,7 @@
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <concepts>
+#  include <cstdlib>
 #endif
 
 #endif // _LIBCPP_FILESYSTEM
diff --git a/libcxx/include/forward_list b/libcxx/include/forward_list
--- a/libcxx/include/forward_list
+++ b/libcxx/include/forward_list
@@ -1822,6 +1822,7 @@
 #  include <algorithm>
 #  include <atomic>
 #  include <concepts>
+#  include <cstdlib>
 #  include <functional>
 #  include <iosfwd>
 #  include <iterator>
diff --git a/libcxx/include/fstream b/libcxx/include/fstream
--- a/libcxx/include/fstream
+++ b/libcxx/include/fstream
@@ -188,7 +188,6 @@
 #include <__utility/swap.h>
 #include <__utility/unreachable.h>
 #include <cstdio>
-#include <cstdlib>
 #include <istream>
 #include <ostream>
 #include <typeinfo>
@@ -1752,6 +1751,7 @@
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <atomic>
 #  include <concepts>
+#  include <cstdlib>
 #  include <iosfwd>
 #  include <limits>
 #  include <new>
diff --git a/libcxx/include/functional b/libcxx/include/functional
--- a/libcxx/include/functional
+++ b/libcxx/include/functional
@@ -554,6 +554,7 @@
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <atomic>
 #  include <concepts>
+#  include <cstdlib>
 #  include <exception>
 #  include <tuple>
 #  include <type_traits>
diff --git a/libcxx/include/future b/libcxx/include/future
--- a/libcxx/include/future
+++ b/libcxx/include/future
@@ -2460,6 +2460,7 @@
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <atomic>
+#  include <cstdlib>
 #  include <exception>
 #endif
 
diff --git a/libcxx/include/iterator b/libcxx/include/iterator
--- a/libcxx/include/iterator
+++ b/libcxx/include/iterator
@@ -732,6 +732,7 @@
 #endif
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
+#  include <cstdlib>
 #  include <exception>
 #  include <new>
 #  include <type_traits>
diff --git a/libcxx/include/list b/libcxx/include/list
--- a/libcxx/include/list
+++ b/libcxx/include/list
@@ -2402,6 +2402,7 @@
 #  include <algorithm>
 #  include <atomic>
 #  include <concepts>
+#  include <cstdlib>
 #  include <functional>
 #  include <iosfwd>
 #  include <iterator>
diff --git a/libcxx/include/map b/libcxx/include/map
--- a/libcxx/include/map
+++ b/libcxx/include/map
@@ -2396,6 +2396,7 @@
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <concepts>
+#  include <cstdlib>
 #  include <functional>
 #  include <iterator>
 #  include <type_traits>
diff --git a/libcxx/include/memory b/libcxx/include/memory
--- a/libcxx/include/memory
+++ b/libcxx/include/memory
@@ -921,6 +921,7 @@
 #  include <concepts>
 #  include <cstddef>
 #  include <cstdint>
+#  include <cstdlib>
 #  include <cstring>
 #  include <iosfwd>
 #  include <iterator>
diff --git a/libcxx/include/ostream b/libcxx/include/ostream
--- a/libcxx/include/ostream
+++ b/libcxx/include/ostream
@@ -1197,6 +1197,7 @@
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <atomic>
 #  include <concepts>
+#  include <cstdlib>
 #  include <iterator>
 #  include <type_traits>
 #endif
diff --git a/libcxx/include/queue b/libcxx/include/queue
--- a/libcxx/include/queue
+++ b/libcxx/include/queue
@@ -963,6 +963,7 @@
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <concepts>
+#  include <cstdlib>
 #  include <functional>
 #  include <type_traits>
 #endif
diff --git a/libcxx/include/random b/libcxx/include/random
--- a/libcxx/include/random
+++ b/libcxx/include/random
@@ -1734,6 +1734,7 @@
 #  include <concepts>
 #  include <cstddef>
 #  include <cstdint>
+#  include <cstdlib>
 #  include <iosfwd>
 #  include <limits>
 #  include <numeric>
diff --git a/libcxx/include/ranges b/libcxx/include/ranges
--- a/libcxx/include/ranges
+++ b/libcxx/include/ranges
@@ -399,6 +399,7 @@
 #endif
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
+#  include <cstdlib>
 #  include <type_traits>
 #endif
 
diff --git a/libcxx/include/regex b/libcxx/include/regex
--- a/libcxx/include/regex
+++ b/libcxx/include/regex
@@ -6879,6 +6879,7 @@
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <atomic>
 #  include <concepts>
+#  include <cstdlib>
 #  include <iosfwd>
 #  include <iterator>
 #  include <new>
diff --git a/libcxx/include/set b/libcxx/include/set
--- a/libcxx/include/set
+++ b/libcxx/include/set
@@ -1598,6 +1598,7 @@
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <concepts>
+#  include <cstdlib>
 #  include <functional>
 #  include <iterator>
 #  include <type_traits>
diff --git a/libcxx/include/stdexcept b/libcxx/include/stdexcept
--- a/libcxx/include/stdexcept
+++ b/libcxx/include/stdexcept
@@ -44,7 +44,7 @@
 #include <__assert> // all public C++ headers provide the assertion handler
 #include <__config>
 #include <__exception/exception.h>
-#include <cstdlib>
+#include <__verbose_abort>
 #include <iosfwd>  // for string forward decl
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
@@ -300,6 +300,7 @@
 _LIBCPP_END_NAMESPACE_STD
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
+#  include <cstdlib>
 #  include <exception>
 #endif
 
diff --git a/libcxx/include/string b/libcxx/include/string
--- a/libcxx/include/string
+++ b/libcxx/include/string
@@ -578,7 +578,6 @@
 #include <climits>
 #include <cstdint>
 #include <cstdio>  // EOF
-#include <cstdlib>
 #include <cstring>
 #include <limits>
 #include <stdexcept>
@@ -4389,6 +4388,7 @@
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <algorithm>
 #  include <concepts>
+#  include <cstdlib>
 #  include <functional>
 #  include <iterator>
 #  include <new>
diff --git a/libcxx/include/string_view b/libcxx/include/string_view
--- a/libcxx/include/string_view
+++ b/libcxx/include/string_view
@@ -1046,6 +1046,7 @@
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <algorithm>
 #  include <concepts>
+#  include <cstdlib>
 #  include <functional>
 #  include <iterator>
 #  include <type_traits>
diff --git a/libcxx/include/typeinfo b/libcxx/include/typeinfo
--- a/libcxx/include/typeinfo
+++ b/libcxx/include/typeinfo
@@ -64,7 +64,6 @@
 #include <__verbose_abort>
 #include <cstddef>
 #include <cstdint>
-#include <cstdlib>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #  pragma GCC system_header
@@ -415,6 +414,7 @@
 _LIBCPP_END_NAMESPACE_STD
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
+#  include <cstdlib>
 #  include <exception>
 #  include <type_traits>
 #endif
diff --git a/libcxx/include/unordered_map b/libcxx/include/unordered_map
--- a/libcxx/include/unordered_map
+++ b/libcxx/include/unordered_map
@@ -2647,6 +2647,7 @@
 #  include <algorithm>
 #  include <bit>
 #  include <concepts>
+#  include <cstdlib>
 #  include <iterator>
 #  include <type_traits>
 #endif
diff --git a/libcxx/include/unordered_set b/libcxx/include/unordered_set
--- a/libcxx/include/unordered_set
+++ b/libcxx/include/unordered_set
@@ -1817,6 +1817,7 @@
 
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <concepts>
+#  include <cstdlib>
 #  include <functional>
 #  include <iterator>
 #  include <type_traits>
diff --git a/libcxx/include/valarray b/libcxx/include/valarray
--- a/libcxx/include/valarray
+++ b/libcxx/include/valarray
@@ -4935,6 +4935,7 @@
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
 #  include <algorithm>
 #  include <concepts>
+#  include <cstdlib>
 #  include <cstring>
 #  include <functional>
 #  include <type_traits>
diff --git a/libcxx/include/vector b/libcxx/include/vector
--- a/libcxx/include/vector
+++ b/libcxx/include/vector
@@ -317,7 +317,6 @@
 #include <__utility/move.h>
 #include <__utility/swap.h>
 #include <climits>
-#include <cstdlib>
 #include <cstring>
 #include <iosfwd> // for forward declaration of vector
 #include <limits>
@@ -3362,6 +3361,7 @@
 #  include <algorithm>
 #  include <atomic>
 #  include <concepts>
+#  include <cstdlib>
 #  include <type_traits>
 #  include <typeinfo>
 #  include <utility>
diff --git a/libcxx/test/libcxx/transitive_includes/cxx03.csv b/libcxx/test/libcxx/transitive_includes/cxx03.csv
--- a/libcxx/test/libcxx/transitive_includes/cxx03.csv
+++ b/libcxx/test/libcxx/transitive_includes/cxx03.csv
@@ -212,7 +212,6 @@
 exception version
 execution version
 expected cstddef
-expected cstdlib
 expected initializer_list
 expected new
 expected version
diff --git a/libcxx/test/libcxx/transitive_includes/cxx11.csv b/libcxx/test/libcxx/transitive_includes/cxx11.csv
--- a/libcxx/test/libcxx/transitive_includes/cxx11.csv
+++ b/libcxx/test/libcxx/transitive_includes/cxx11.csv
@@ -212,7 +212,6 @@
 exception version
 execution version
 expected cstddef
-expected cstdlib
 expected initializer_list
 expected new
 expected version
diff --git a/libcxx/test/libcxx/transitive_includes/cxx14.csv b/libcxx/test/libcxx/transitive_includes/cxx14.csv
--- a/libcxx/test/libcxx/transitive_includes/cxx14.csv
+++ b/libcxx/test/libcxx/transitive_includes/cxx14.csv
@@ -212,7 +212,6 @@
 exception version
 execution version
 expected cstddef
-expected cstdlib
 expected initializer_list
 expected new
 expected version
diff --git a/libcxx/test/libcxx/transitive_includes/cxx17.csv b/libcxx/test/libcxx/transitive_includes/cxx17.csv
--- a/libcxx/test/libcxx/transitive_includes/cxx17.csv
+++ b/libcxx/test/libcxx/transitive_includes/cxx17.csv
@@ -212,7 +212,6 @@
 exception version
 execution version
 expected cstddef
-expected cstdlib
 expected initializer_list
 expected new
 expected version
diff --git a/libcxx/test/libcxx/transitive_includes/cxx20.csv b/libcxx/test/libcxx/transitive_includes/cxx20.csv
--- a/libcxx/test/libcxx/transitive_includes/cxx20.csv
+++ b/libcxx/test/libcxx/transitive_includes/cxx20.csv
@@ -219,7 +219,6 @@
 exception version
 execution version
 expected cstddef
-expected cstdlib
 expected initializer_list
 expected new
 expected version
diff --git a/libcxx/test/libcxx/transitive_includes/cxx2b.csv b/libcxx/test/libcxx/transitive_includes/cxx2b.csv
--- a/libcxx/test/libcxx/transitive_includes/cxx2b.csv
+++ b/libcxx/test/libcxx/transitive_includes/cxx2b.csv
@@ -1,7 +1,6 @@
 algorithm climits
 algorithm cstddef
 algorithm cstdint
-algorithm cstdlib
 algorithm cstring
 algorithm initializer_list
 algorithm iosfwd
@@ -10,7 +9,6 @@
 algorithm version
 any cstddef
 any cstdint
-any cstdlib
 any cstring
 any initializer_list
 any limits
@@ -20,7 +18,6 @@
 any version
 array compare
 array cstddef
-array cstdlib
 array initializer_list
 array limits
 array stdexcept
@@ -44,13 +41,11 @@
 barrier ratio
 barrier version
 bit cstdint
-bit cstdlib
 bit limits
 bit version
 bitset climits
 bitset cstddef
 bitset cstdint
-bitset cstdlib
 bitset cstring
 bitset initializer_list
 bitset iosfwd
@@ -64,7 +59,6 @@
 charconv cmath
 charconv cstddef
 charconv cstdint
-charconv cstdlib
 charconv initializer_list
 charconv limits
 chrono array
@@ -110,7 +104,6 @@
 concepts cstddef
 concepts version
 condition_variable cstddef
-condition_variable cstdlib
 condition_variable ctime
 condition_variable iosfwd
 condition_variable limits
@@ -134,7 +127,6 @@
 deque compare
 deque cstddef
 deque cstdint
-deque cstdlib
 deque cstring
 deque initializer_list
 deque limits
@@ -147,7 +139,6 @@
 exception version
 execution version
 expected cstddef
-expected cstdlib
 expected initializer_list
 expected new
 expected version
@@ -163,7 +154,6 @@
 experimental/map experimental/memory_resource
 experimental/map map
 experimental/memory_resource cstddef
-experimental/memory_resource cstdlib
 experimental/memory_resource experimental/utility
 experimental/memory_resource limits
 experimental/memory_resource new
@@ -214,7 +204,6 @@
 filesystem compare
 filesystem cstddef
 filesystem cstdint
-filesystem cstdlib
 filesystem ctime
 filesystem iomanip
 filesystem iosfwd
@@ -246,7 +235,6 @@
 forward_list compare
 forward_list cstddef
 forward_list cstdint
-forward_list cstdlib
 forward_list cstring
 forward_list initializer_list
 forward_list limits
@@ -258,7 +246,6 @@
 fstream cstddef
 fstream cstdint
 fstream cstdio
-fstream cstdlib
 fstream cstring
 fstream filesystem
 fstream initializer_list
@@ -271,7 +258,6 @@
 functional array
 functional cstddef
 functional cstdint
-functional cstdlib
 functional cstring
 functional initializer_list
 functional iosfwd
@@ -324,7 +310,6 @@
 iterator compare
 iterator concepts
 iterator cstddef
-iterator cstdlib
 iterator initializer_list
 iterator iosfwd
 iterator limits
@@ -342,7 +327,6 @@
 list compare
 list cstddef
 list cstdint
-list cstdlib
 list cstring
 list initializer_list
 list limits
@@ -368,7 +352,6 @@
 locale version
 map compare
 map cstddef
-map cstdlib
 map initializer_list
 map limits
 map new
@@ -379,7 +362,6 @@
 memory compare
 memory cstddef
 memory cstdint
-memory cstdlib
 memory cstring
 memory initializer_list
 memory iosfwd
@@ -399,7 +381,6 @@
 memory_resource version
 mutex cstddef
 mutex cstdint
-mutex cstdlib
 mutex ctime
 mutex iosfwd
 mutex limits
@@ -430,7 +411,6 @@
 ostream bitset
 ostream cstddef
 ostream cstdint
-ostream cstdlib
 ostream cstring
 ostream initializer_list
 ostream ios
@@ -444,7 +424,6 @@
 ostream version
 queue compare
 queue cstddef
-queue cstdlib
 queue deque
 queue initializer_list
 queue limits
@@ -453,7 +432,6 @@
 random cmath
 random cstddef
 random cstdint
-random cstdlib
 random initializer_list
 random iosfwd
 random limits
@@ -463,7 +441,6 @@
 random version
 ranges compare
 ranges cstddef
-ranges cstdlib
 ranges initializer_list
 ranges iosfwd
 ranges iterator
@@ -481,7 +458,6 @@
 regex compare
 regex cstddef
 regex cstdint
-regex cstdlib
 regex cstring
 regex deque
 regex initializer_list
@@ -506,7 +482,6 @@
 semaphore version
 set compare
 set cstddef
-set cstdlib
 set initializer_list
 set limits
 set new
@@ -539,7 +514,6 @@
 stack deque
 stack initializer_list
 stack version
-stdexcept cstdlib
 stdexcept iosfwd
 streambuf cstdint
 streambuf ios
@@ -550,7 +524,6 @@
 string cstddef
 string cstdint
 string cstdio
-string cstdlib
 string cstring
 string cwchar
 string initializer_list
@@ -565,7 +538,6 @@
 string_view cstddef
 string_view cstdint
 string_view cstdio
-string_view cstdlib
 string_view cstring
 string_view cwchar
 string_view initializer_list
@@ -605,12 +577,10 @@
 typeindex version
 typeinfo cstddef
 typeinfo cstdint
-typeinfo cstdlib
 unordered_map cmath
 unordered_map compare
 unordered_map cstddef
 unordered_map cstdint
-unordered_map cstdlib
 unordered_map cstring
 unordered_map initializer_list
 unordered_map limits
@@ -623,7 +593,6 @@
 unordered_set compare
 unordered_set cstddef
 unordered_set cstdint
-unordered_set cstdlib
 unordered_set cstring
 unordered_set initializer_list
 unordered_set limits
@@ -640,7 +609,6 @@
 valarray cmath
 valarray cstddef
 valarray cstdint
-valarray cstdlib
 valarray initializer_list
 valarray limits
 valarray new
@@ -659,7 +627,6 @@
 vector compare
 vector cstddef
 vector cstdint
-vector cstdlib
 vector cstring
 vector initializer_list
 vector iosfwd
diff --git a/libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval.pass.cpp b/libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval.pass.cpp
--- a/libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval.pass.cpp
+++ b/libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval.pass.cpp
@@ -17,6 +17,7 @@
 
 #include <cassert>
 #include <cstdint>
+#include <cstdlib>
 #include <random>
 #include <vector>
 
diff --git a/libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval_param.pass.cpp b/libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval_param.pass.cpp
--- a/libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval_param.pass.cpp
+++ b/libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval_param.pass.cpp
@@ -15,11 +15,10 @@
 
 // template<class _URNG> result_type operator()(_URNG& g, const param_type& parm);
 
+#include <cassert>
+#include <cstdlib>
 #include <random>
 #include <vector>
-#include <cassert>
-
-#include "test_macros.h"
 
 int main(int, char**)
 {