diff --git a/libcxx/docs/Contributing.rst b/libcxx/docs/Contributing.rst
--- a/libcxx/docs/Contributing.rst
+++ b/libcxx/docs/Contributing.rst
@@ -67,9 +67,8 @@
 After branching for an LLVM release:
 
 1. Update ``_LIBCPP_VERSION`` in ``libcxx/include/__config``
-2. Update the ``libcxx/include/__libcpp_version`` file
-3. Update the version number in ``libcxx/docs/conf.py``
-4. Update ``_LIBCPPABI_VERSION`` in ``libcxxabi/include/cxxabi.h``
+2. Update the version number in ``libcxx/docs/conf.py``
+3. Update ``_LIBCPPABI_VERSION`` in ``libcxxabi/include/cxxabi.h``
 
 Exporting new symbols from the library
 ======================================
diff --git a/libcxx/include/CMakeLists.txt b/libcxx/include/CMakeLists.txt
--- a/libcxx/include/CMakeLists.txt
+++ b/libcxx/include/CMakeLists.txt
@@ -266,7 +266,6 @@
   __iterator/sortable.h
   __iterator/unreachable_sentinel.h
   __iterator/wrap_iter.h
-  __libcpp_version
   __locale
   __mbstate_t.h
   __memory/addressof.h
diff --git a/libcxx/include/__libcpp_version b/libcxx/include/__libcpp_version
deleted file mode 100644
--- a/libcxx/include/__libcpp_version
+++ /dev/null
@@ -1 +0,0 @@
-15000
diff --git a/libcxx/test/libcxx/libcpp_version.pass.cpp b/libcxx/test/libcxx/libcpp_version.pass.cpp
deleted file mode 100644
--- a/libcxx/test/libcxx/libcpp_version.pass.cpp
+++ /dev/null
@@ -1,28 +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
-//
-//===----------------------------------------------------------------------===//
-
-// Test that the __libcpp_version file matches the value of _LIBCPP_VERSION
-
-#include <__config>
-
-#ifndef _LIBCPP_VERSION
-#error _LIBCPP_VERSION must be defined
-#endif
-
-static const int libcpp_version =
-#include <__libcpp_version>
-;
-
-static_assert(_LIBCPP_VERSION == libcpp_version,
-              "_LIBCPP_VERSION doesn't match __libcpp_version");
-
-int main(int, char**) {
-
-
-  return 0;
-}
diff --git a/libcxx/test/libcxx/lint/lint_headers.sh.py b/libcxx/test/libcxx/lint/lint_headers.sh.py
--- a/libcxx/test/libcxx/lint/lint_headers.sh.py
+++ b/libcxx/test/libcxx/lint/lint_headers.sh.py
@@ -14,7 +14,6 @@
         path.endswith('.modulemap') or
         os.path.basename(path) == '__config' or
         os.path.basename(path) == '__config_site.in' or
-        os.path.basename(path) == '__libcpp_version' or
         not os.path.isfile(path)
     )
 
diff --git a/libcxx/utils/generate_private_header_tests.py b/libcxx/utils/generate_private_header_tests.py
--- a/libcxx/utils/generate_private_header_tests.py
+++ b/libcxx/utils/generate_private_header_tests.py
@@ -54,7 +54,7 @@
     return not rp.startswith('__support') and rp not in [
         "__assert", "__bsd_locale_defaults.h", "__bsd_locale_fallbacks.h", "__config",
         "__config_site.in", "__debug", "__hash_table",
-        "__libcpp_version", "__threading_support", "__tree", "__undef_macros"
+        "__threading_support", "__tree", "__undef_macros"
     ]
 
 
diff --git a/libcxx/utils/graph_header_deps.py b/libcxx/utils/graph_header_deps.py
--- a/libcxx/utils/graph_header_deps.py
+++ b/libcxx/utils/graph_header_deps.py
@@ -14,7 +14,7 @@
 
 
 def is_config_header(h):
-    return os.path.basename(h) in ['__config', '__libcpp_version', '__undef_macros', 'version']
+    return os.path.basename(h) in ['__config', '__undef_macros', 'version']
 
 
 def is_experimental_header(h):