diff --git a/libcxx/include/string_view b/libcxx/include/string_view
--- a/libcxx/include/string_view
+++ b/libcxx/include/string_view
@@ -323,10 +323,7 @@
         !is_convertible_v<_Range, const _CharT*> &&
         (!requires(remove_cvref_t<_Range>& __d) {
           __d.operator _VSTD::basic_string_view<_CharT, _Traits>();
-        }) &&
-        (!requires {
-         typename remove_reference_t<_Range>::traits_type;
-        } || is_same_v<typename remove_reference_t<_Range>::traits_type, _Traits>)
+        })
       )
     constexpr explicit _LIBCPP_HIDE_FROM_ABI
     basic_string_view(_Range&& __r) : __data_(ranges::data(__r)), __size_(ranges::size(__r)) {}
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/from_range.pass.cpp b/libcxx/test/std/strings/string.view/string.view.cons/from_range.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.cons/from_range.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.cons/from_range.pass.cpp
@@ -12,6 +12,7 @@
 //  template <class Range>
 //  constexpr basic_string_view(Range&& range);
 
+#include <string>
 #include <string_view>
 #include <array>
 #include <cassert>
@@ -25,11 +26,11 @@
 #include "test_iterators.h"
 #include "test_range.h"
 
-template<class CharT>
+template <class CharT>
 constexpr void test() {
   auto data = MAKE_STRING_VIEW(CharT, "test");
   std::array<CharT, 4> arr;
-  for(int i = 0; i < 4; ++i) {
+  for (int i = 0; i < 4; ++i) {
     arr[i] = data[i];
   }
   auto sv = std::basic_string_view<CharT>(arr);
@@ -107,6 +108,15 @@
     assert(sv == "test");
   }
 
+  // Different trait types
+  {
+    struct OtherTraits : std::char_traits<char> {};
+    std::basic_string_view<char> sv1{"hello"};
+    std::basic_string_view<char, OtherTraits> sv2(sv1);
+    assert(sv1.size() == sv2.size());
+    assert(sv1.data() == sv2.data());
+  }
+
   return true;
 }
 
@@ -120,7 +130,10 @@
 static_assert(std::ranges::sized_range<SizedButNotContiguousRange>);
 static_assert(!std::is_constructible_v<std::string_view, SizedButNotContiguousRange>);
 
-using ContiguousButNotSizedRange = std::ranges::subrange<contiguous_iterator<char*>, sentinel_wrapper<contiguous_iterator<char*>>, std::ranges::subrange_kind::unsized>;
+using ContiguousButNotSizedRange =
+    std::ranges::subrange<contiguous_iterator<char*>,
+                          sentinel_wrapper<contiguous_iterator<char*>>,
+                          std::ranges::subrange_kind::unsized>;
 static_assert(std::ranges::contiguous_range<ContiguousButNotSizedRange>);
 static_assert(!std::ranges::sized_range<ContiguousButNotSizedRange>);
 static_assert(!std::is_constructible_v<std::string_view, ContiguousButNotSizedRange>);
@@ -133,9 +146,9 @@
   operator std::string_view() const { return {}; }
 };
 
-static_assert(std::is_constructible_v<std::string_view, WithStringViewConversionOperator>); // lvalue
+static_assert(std::is_constructible_v<std::string_view, WithStringViewConversionOperator>);        // lvalue
 static_assert(std::is_constructible_v<std::string_view, const WithStringViewConversionOperator&>); // const lvalue
-static_assert(std::is_constructible_v<std::string_view, WithStringViewConversionOperator&&>); // rvalue
+static_assert(std::is_constructible_v<std::string_view, WithStringViewConversionOperator&&>);      // rvalue
 
 template <class CharTraits>
 struct WithTraitsType {
@@ -150,9 +163,10 @@
 static_assert(std::is_constructible_v<std::wstring_view, WithTraitsType<std::char_traits<wchar_t>>>);
 #endif
 static_assert(std::is_constructible_v<std::basic_string_view<char, CCT>, WithTraitsType<CCT>>);
-static_assert(!std::is_constructible_v<std::string_view, WithTraitsType<CCT>>);  // wrong traits type
+static_assert(std::is_constructible_v<std::string_view, WithTraitsType<CCT>>); // wrong traits type
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-static_assert(!std::is_constructible_v<std::wstring_view, WithTraitsType<std::char_traits<char>>>);  // wrong traits type
+static_assert(
+    std::is_constructible_v<std::wstring_view, WithTraitsType<std::char_traits<wchar_t>>>); // wrong traits type
 #endif
 
 #ifndef TEST_HAS_NO_EXCEPTIONS
@@ -160,11 +174,14 @@
   struct ThrowingData {
     char* begin() const { return nullptr; }
     char* end() const { return nullptr; }
-    char* data() const { throw 42; return nullptr; }
+    char* data() const {
+      throw 42;
+      return nullptr;
+    }
   };
   try {
     ThrowingData x;
-    (void) std::string_view(x);
+    (void)std::string_view(x);
     assert(false);
   } catch (int i) {
     assert(i == 42);
@@ -173,11 +190,14 @@
   struct ThrowingSize {
     char* begin() const { return nullptr; }
     char* end() const { return nullptr; }
-    size_t size() const { throw 42; return 0; }
+    size_t size() const {
+      throw 42;
+      return 0;
+    }
   };
   try {
     ThrowingSize x;
-    (void) std::string_view(x);
+    (void)std::string_view(x);
     assert(false);
   } catch (int i) {
     assert(i == 42);
@@ -196,4 +216,3 @@
 
   return 0;
 }
-
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/from_string1.compile.fail.cpp b/libcxx/test/std/strings/string.view/string.view.cons/from_string1.compile.fail.cpp
deleted file mode 100644
--- a/libcxx/test/std/strings/string.view/string.view.cons/from_string1.compile.fail.cpp
+++ /dev/null
@@ -1,34 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-// UNSUPPORTED: !stdlib=libc++ && (c++03 || c++11 || c++14)
-
-// <string_view>
-
-// template<class Allocator>
-// basic_string_view(const basic_string<_CharT, _Traits, Allocator>& _str) noexcept
-
-#include <string_view>
-#include <string>
-#include <cassert>
-
-struct dummy_char_traits : public std::char_traits<char> {};
-
-int main(int, char**) {
-    using string_view = std::basic_string_view<char>;
-    using string      = std::              basic_string     <char, dummy_char_traits>;
-
-    {
-    string s{"QBCDE"};
-    string_view sv1 ( s );
-    assert ( sv1.size() == s.size());
-    assert ( sv1.data() == s.data());
-    }
-
-  return 0;
-}
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/from_string2.compile.fail.cpp b/libcxx/test/std/strings/string.view/string.view.cons/from_string2.compile.fail.cpp
deleted file mode 100644
--- a/libcxx/test/std/strings/string.view/string.view.cons/from_string2.compile.fail.cpp
+++ /dev/null
@@ -1,34 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-// UNSUPPORTED: !stdlib=libc++ && (c++03 || c++11 || c++14)
-
-// <string_view>
-
-// template<class Allocator>
-// basic_string_view(const basic_string<_CharT, _Traits, Allocator>& _str) noexcept
-
-#include <string_view>
-#include <string>
-#include <cassert>
-
-struct dummy_char_traits : public std::char_traits<char> {};
-
-int main(int, char**) {
-    using string_view = std::basic_string_view<char, dummy_char_traits>;
-    using string      = std::              basic_string     <char>;
-
-    {
-    string s{"QBCDE"};
-    string_view sv1 ( s );
-    assert ( sv1.size() == s.size());
-    assert ( sv1.data() == s.data());
-    }
-
-  return 0;
-}