diff --git a/libcxx/docs/Status/SpaceshipProjects.csv b/libcxx/docs/Status/SpaceshipProjects.csv
--- a/libcxx/docs/Status/SpaceshipProjects.csv
+++ b/libcxx/docs/Status/SpaceshipProjects.csv
@@ -188,13 +188,13 @@
 "| `[fs.class.directory.entry] <https://wg21.link/fs.class.directory.entry>`_
 | `[fs.dir.entry.obs] <https://wg21.link/fs.dir.entry.obs>`_",| `filesystem::directory_entry <https://reviews.llvm.org/D130860>`_,None,Adrian Vogelsgesang,|Complete|
 - `5.15 Clause 30: Regular expressions library <https://wg21.link/p1614r2#clause-30-regular-expressions-library>`_,,,,
-| `[re.syn] <https://wg21.link/re.syn>`_,|,None,Mark de Wever,|In Progress|
+| `[re.syn] <https://wg21.link/re.syn>`_,|,None,Mark de Wever,|Complete|
 | `[re.submatch.op] <https://wg21.link/re.submatch.op>`_,| `sub_match <https://reviews.llvm.org/D132310>`_,None,Mark de Wever,|Complete|
-| `[re.results.nonmember] <https://wg21.link/re.results.nonmember>`_,| remove ops `match_results`,None,Mark de Wever,|In Progress|
+| `[re.results.nonmember] <https://wg21.link/re.results.nonmember>`_,| remove ops `match_results`,None,Mark de Wever,|Complete|
 "| `[re.regiter] <https://wg21.link/re.regiter>`_,
-| `[re.regiter.comp] <https://wg21.link/re.regiter.comp>`_",| remove ops `regex_iterator`,None,Mark de Wever,|In Progress|
+| `[re.regiter.comp] <https://wg21.link/re.regiter.comp>`_",| remove ops `regex_iterator`,None,Mark de Wever,|Complete|
 "| `[re.tokiter] <https://wg21.link/re.tokiter>`_
-| `[re.tokiter.comp] <https://wg21.link/re.tokiter.comp>`_",| remove ops `regex_token_iterator`,None,Mark de Wever,|In Progress|
+| `[re.tokiter.comp] <https://wg21.link/re.tokiter.comp>`_",| remove ops `regex_token_iterator`,None,Mark de Wever,|Complete|
 - `5.16 Clause 31: Atomic operations library <https://wg21.link/p1614r2#clause-31-atomic-operations-library>`_,,,,
 - `5.17 Clause 32: Thread support library <https://wg21.link/p1614r2#clause-32-thread-support-library>`_,,,,
 | `[thread.thread.id] <https://wg21.link/thread.thread.id>`_,| `thread::id <https://reviews.llvm.org/D131362>`_,None,Adrian Vogelsgesang,|Complete|
diff --git a/libcxx/include/regex b/libcxx/include/regex
--- a/libcxx/include/regex
+++ b/libcxx/include/regex
@@ -543,7 +543,7 @@
     operator==(const match_results<BidirectionalIterator, Allocator>& m1,
                const match_results<BidirectionalIterator, Allocator>& m2);
 
-template <class BidirectionalIterator, class Allocator>
+template <class BidirectionalIterator, class Allocator>                    // Removed in C++20
     bool
     operator!=(const match_results<BidirectionalIterator, Allocator>& m1,
                const match_results<BidirectionalIterator, Allocator>& m2);
@@ -710,7 +710,7 @@
     regex_iterator& operator=(const regex_iterator&);
 
     bool operator==(const regex_iterator&) const;
-    bool operator!=(const regex_iterator&) const;
+    bool operator!=(const regex_iterator&) const;                                // Removed in C++20
 
     const value_type& operator*() const;
     const value_type* operator->() const;
@@ -768,7 +768,7 @@
     regex_token_iterator& operator=(const regex_token_iterator&);
 
     bool operator==(const regex_token_iterator&) const;
-    bool operator!=(const regex_token_iterator&) const;
+    bool operator!=(const regex_token_iterator&) const;                  // Removed in C++20
 
     const value_type& operator*() const;
     const value_type* operator->() const;
@@ -5816,6 +5816,7 @@
            __x.__suffix_ == __y.__suffix_;
 }
 
+#if _LIBCPP_STD_VER < 20
 template <class _BidirectionalIterator, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
@@ -5824,6 +5825,7 @@
 {
     return !(__x == __y);
 }
+#endif
 
 template <class _BidirectionalIterator, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
@@ -6427,8 +6429,10 @@
 #endif
 
     bool operator==(const regex_iterator& __x) const;
+#if _LIBCPP_STD_VER < 20
     _LIBCPP_INLINE_VISIBILITY
     bool operator!=(const regex_iterator& __x) const {return !(*this == __x);}
+#endif
 
     _LIBCPP_INLINE_VISIBILITY
     reference operator*() const {return  __match_;}
@@ -6606,7 +6610,9 @@
 
     bool operator==(const regex_token_iterator& __x) const;
     _LIBCPP_INLINE_VISIBILITY
+#if _LIBCPP_STD_VER < 20
     bool operator!=(const regex_token_iterator& __x) const {return !(*this == __x);}
+#endif
 
     _LIBCPP_INLINE_VISIBILITY
     const value_type& operator*() const {return *__result_;}
diff --git a/libcxx/modules/std/regex.cppm b/libcxx/modules/std/regex.cppm
--- a/libcxx/modules/std/regex.cppm
+++ b/libcxx/modules/std/regex.cppm
@@ -64,9 +64,6 @@
   // [re.submatch.op], sub_match non-member operators
   using std::operator==;
   using std::operator<=>;
-#  if 1 // P1614
-  using std::operator!=;
-#  endif
 
   using std::operator<<;
 
diff --git a/libcxx/test/std/re/re.iter/re.regiter/re.regiter.comp/tested_elsewhere.pass.cpp b/libcxx/test/std/re/re.iter/re.regiter/re.regiter.comp/tested_elsewhere.pass.cpp
--- a/libcxx/test/std/re/re.iter/re.regiter/re.regiter.comp/tested_elsewhere.pass.cpp
+++ b/libcxx/test/std/re/re.iter/re.regiter/re.regiter.comp/tested_elsewhere.pass.cpp
@@ -11,7 +11,7 @@
 // class regex_iterator<BidirectionalIterator, charT, traits>
 
 // bool operator==(const regex_iterator& right) const;
-// bool operator!=(const regex_iterator& right) const;
+// bool operator!=(const regex_iterator& right) const; // generated by the compiler in C++20
 
 int main(int, char**)
 {
diff --git a/libcxx/test/std/re/re.iter/re.tokiter/re.tokiter.comp/equal.pass.cpp b/libcxx/test/std/re/re.iter/re.tokiter/re.tokiter.comp/equal.pass.cpp
--- a/libcxx/test/std/re/re.iter/re.tokiter/re.tokiter.comp/equal.pass.cpp
+++ b/libcxx/test/std/re/re.iter/re.tokiter/re.tokiter.comp/equal.pass.cpp
@@ -11,7 +11,7 @@
 // class regex_token_iterator<BidirectionalIterator, charT, traits>
 
 // bool operator==(const regex_token_iterator& right) const;
-// bool operator!=(const regex_token_iterator& right) const;
+// bool operator!=(const regex_token_iterator& right) const; // generated by the compiler in C++20
 
 #include <regex>
 #include <cassert>
diff --git a/libcxx/test/std/re/re.results/re.results.nonmember/equal.pass.cpp b/libcxx/test/std/re/re.results/re.results.nonmember/equal.pass.cpp
--- a/libcxx/test/std/re/re.results/re.results.nonmember/equal.pass.cpp
+++ b/libcxx/test/std/re/re.results/re.results.nonmember/equal.pass.cpp
@@ -15,7 +15,7 @@
 //    operator==(const match_results<BidirectionalIterator, Allocator>& m1,
 //               const match_results<BidirectionalIterator, Allocator>& m2);
 
-// template <class BidirectionalIterator, class Allocator>
+// template <class BidirectionalIterator, class Allocator> // generated by the compiler in C++20
 //    bool
 //    operator!=(const match_results<BidirectionalIterator, Allocator>& m1,
 //               const match_results<BidirectionalIterator, Allocator>& m2);