diff --git a/.gitignore b/.gitignore
index e85a6563db..693d320cc7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@ __pycache__/
 /build/
 /out/
 /tools/out/
+/CMakeLists.txt.user
diff --git a/.gitmodules b/.gitmodules
index 0e762eb7cd..d9ff8484bf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,10 +1,9 @@
 # Copyright (c) Microsoft Corporation.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
-[submodule "vcpkg"]
-	path = vcpkg
-	url = https://github.com/microsoft/vcpkg.git
-	fetchRecurseSubmodules = false
 [submodule "llvm-project"]
 	path = llvm-project
 	url = https://github.com/llvm/llvm-project.git
+[submodule "boost-math"]
+	path = boost-math
+	url = https://github.com/boostorg/math.git
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 5312b7ed5b..ed78450048 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -12,7 +12,7 @@
     "files.exclude": {
         "llvm-project": true,
         "stl/msbuild": true,
-        "vcpkg": true
+        "boost-math": true
     },
     "files.insertFinalNewline": true,
     "files.trimFinalNewlines": true,
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a184fff2bc..5f2fcd7c77 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,21 +1,10 @@
 # Copyright (c) Microsoft Corporation.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
-if (NOT DEFINED CMAKE_TOOLCHAIN_FILE AND EXISTS "${CMAKE_CURRENT_LIST_DIR}/vcpkg/scripts/buildsystems/vcpkg.cmake")
-    set(CMAKE_TOOLCHAIN_FILE "${CMAKE_CURRENT_LIST_DIR}/vcpkg/scripts/buildsystems/vcpkg.cmake")
-endif()
-
 cmake_minimum_required(VERSION 3.20)
 set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
 project(msvc_standard_libraries LANGUAGES CXX)
 
-find_package(Boost REQUIRED)
-
-set(VCLIBS_MIN_BOOST_VERSION 1.76.0)
-if("${Boost_VERSION}" VERSION_LESS "${VCLIBS_MIN_BOOST_VERSION}")
-    message(FATAL_ERROR "Detected Boost version is too old (older than ${VCLIBS_MIN_BOOST_VERSION}).")
-endif()
-
 option(BUILD_TESTING "Enable testing" ON)
 set(VCLIBS_SUFFIX "_oss" CACHE STRING "suffix for built DLL names to avoid conflicts with distributed DLLs")
 
@@ -90,6 +79,7 @@ get_filename_component(TOOLSET_ROOT_DIR "${TOOLSET_ROOT_DIR}" DIRECTORY) # $\VC\
 
 set(TOOLSET_LIB "${TOOLSET_ROOT_DIR}/lib/${VCLIBS_X86_OR_X64}")
 
+add_subdirectory(boost-math)
 add_subdirectory(stl)
 
 if(BUILD_TESTING)
diff --git a/README.md b/README.md
index 1e67331f70..1d6b5db83a 100644
--- a/README.md
+++ b/README.md
@@ -140,9 +140,6 @@ Just try to follow these rules, so we can spend more time fixing bugs and implem
 
 # How To Build With The Visual Studio IDE
 
-The STL uses boost-math headers to provide P0226R1 Mathematical Special Functions. We recommend using [vcpkg][] to
-acquire this dependency.
-
 1. Install Visual Studio 2022 17.0 Preview 3 or later.
     * We recommend selecting "C++ CMake tools for Windows" in the VS Installer.
     This will ensure that you're using supported versions of CMake and Ninja.
@@ -152,10 +149,8 @@ acquire this dependency.
 2. Open Visual Studio, and choose the "Clone or check out code" option. Enter the URL of this repository,
    `https://github.com/microsoft/STL`.
 3. Open a terminal in the IDE with `` Ctrl + ` `` (by default) or press on "View" in the top bar, and then "Terminal".
-4. In the terminal, invoke `git submodule update --init --progress llvm-project vcpkg`
-5. In the terminal, invoke `.\vcpkg\bootstrap-vcpkg.bat`
-6. In the terminal, invoke `.\vcpkg\vcpkg.exe install boost-math:x86-windows boost-math:x64-windows`
-7. Choose the architecture you wish to build in the IDE, and build as you would any other project. All necessary CMake
+4. In the terminal, invoke `git submodule update --init --progress llvm-project boost-math`
+5. Choose the architecture you wish to build in the IDE, and build as you would any other project. All necessary CMake
    settings are set by `CMakeSettings.json`.
 
 # How To Build With A Native Tools Command Prompt
@@ -169,9 +164,6 @@ acquire this dependency.
 2. Open a command prompt.
 3. Change directories to a location where you'd like a clone of this STL repository.
 4. `git clone https://github.com/microsoft/STL --recurse-submodules`
-5. `cd STL`
-6. `.\vcpkg\bootstrap-vcpkg.bat`
-7. `.\vcpkg\vcpkg.exe install boost-math:x86-windows boost-math:x64-windows`
 
 To build the x86 target:
 
@@ -476,5 +468,4 @@ SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 [lit result codes]: https://llvm.org/docs/CommandGuide/lit.html#test-status-results
 [opencode@microsoft.com]: mailto:opencode@microsoft.com
 [redistributables]: https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads
-[vcpkg]: https://github.com/microsoft/vcpkg
 [natvis documentation]: https://docs.microsoft.com/en-us/visualstudio/debugger/create-custom-views-of-native-objects
diff --git a/azure-devops/checkout-sources.yml b/azure-devops/checkout-sources.yml
index 916f72572f..ccd9f172b4 100644
--- a/azure-devops/checkout-sources.yml
+++ b/azure-devops/checkout-sources.yml
@@ -2,12 +2,12 @@
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 parameters:
-- name: vcpkgSHAVar
-  type: string
-  default: vcpkgSHA
 - name: llvmSHAVar
   type: string
   default: llvmSHA
+- name: boostMathSHAVar
+  type: string
+  default: boostMathSHA
 steps:
 - checkout: self
   clean: true
@@ -22,8 +22,8 @@ steps:
       $regexSubmoduleSHA = '^[ \-+]([0-9a-f]+) .*$'
       $llvmSHA = git submodule status --cached llvm-project | %{$_ -replace $regexSubmoduleSHA, '$1'}
       Write-Host "##vso[task.setvariable variable=${{ parameters.llvmSHAVar }};]$llvmSHA"
-      $vcpkgSHA = git submodule status --cached vcpkg | %{$_ -replace $regexSubmoduleSHA, '$1'}
-      Write-Host "##vso[task.setvariable variable=${{ parameters.vcpkgSHAVar }};]$vcpkgSHA"
+      $boostMathSHA = git submodule status --cached boost-math | %{$_ -replace $regexSubmoduleSHA, '$1'}
+      Write-Host "##vso[task.setvariable variable=${{ parameters.boostMathSHAVar }};]$boostMathSHA"
 - script: |
     cd $(Build.SourcesDirectory)
     if not exist "llvm-project" (
@@ -50,22 +50,22 @@ steps:
   displayName: "Checkout LLVM source"
 - script: |
     cd $(Build.SourcesDirectory)
-    if not exist "vcpkg" (
-      mkdir vcpkg
+    if not exist "boost-math" (
+      mkdir boost-math
     )
-    cd vcpkg
+    cd boost-math
 
     if not exist ".git" (
       del /S /Q *
       git init
     )
 
-    git remote get-url vcpkg
+    git remote get-url boostorg
     if errorlevel 1 (
-      git remote add vcpkg https://github.com/Microsoft/vcpkg.git
-      git config --local extensions.partialClone vcpkg
+      git remote add boostorg https://github.com/boostorg/math.git
+      git config --local extensions.partialClone boostorg
     )
 
-    git fetch --filter=tree:0 --depth=1 vcpkg $(${{ parameters.vcpkgSHAVar }})
+    git fetch --filter=tree:0 --depth=1 boostorg $(${{ parameters.boostMathSHAVar }})
     git checkout -f FETCH_HEAD
-  displayName: "Checkout vcpkg source"
+  displayName: "Checkout boost-math source"
diff --git a/azure-devops/cmake-configure-build.yml b/azure-devops/cmake-configure-build.yml
index b0231930b9..e868e80c37 100644
--- a/azure-devops/cmake-configure-build.yml
+++ b/azure-devops/cmake-configure-build.yml
@@ -6,9 +6,6 @@ parameters:
   type: string
 - name: targetArch
   type: string
-- name: vcpkgLocationVar
-  type: string
-  default: vcpkgLocation
 - name: targetPlatform
   type: string
 - name: buildOutputLocationVar
@@ -33,8 +30,6 @@ steps:
     call "%ProgramFiles%\Microsoft Visual Studio\2022\Preview\Common7\Tools\VsDevCmd.bat" ^
     -host_arch=${{ parameters.hostArch }} -arch=${{ parameters.targetArch }} -no_logo
     cmake ${{ parameters.cmakeAdditionalFlags}} -G Ninja ^
-    -DCMAKE_TOOLCHAIN_FILE=$(${{ parameters.vcpkgLocationVar }})\scripts\buildsystems\vcpkg.cmake ^
-    -DVCPKG_TARGET_TRIPLET=${{ parameters.targetPlatform }}-windows ^
     -DCMAKE_CXX_COMPILER=cl ^
     -DCMAKE_BUILD_TYPE=Release ^
     -DLIT_FLAGS=$(litFlags) ^
diff --git a/azure-devops/cross-build.yml b/azure-devops/cross-build.yml
index 6cbcb08adb..0083c39462 100644
--- a/azure-devops/cross-build.yml
+++ b/azure-devops/cross-build.yml
@@ -33,9 +33,6 @@ jobs:
     displayName: 'Setup TMP Directory'
 
   - template: checkout-sources.yml
-  - template: vcpkg-dependencies.yml
-    parameters:
-      targetPlatform: ${{ parameters.targetPlatform }}
   - template: cmake-configure-build.yml
     parameters:
       targetPlatform: ${{ parameters.targetPlatform }}
diff --git a/azure-devops/native-build-test.yml b/azure-devops/native-build-test.yml
index 17fa03732a..25bdb0e1c7 100644
--- a/azure-devops/native-build-test.yml
+++ b/azure-devops/native-build-test.yml
@@ -30,9 +30,6 @@ jobs:
     displayName: 'Setup TMP Directory'
 
   - template: checkout-sources.yml
-  - template: vcpkg-dependencies.yml
-    parameters:
-      targetPlatform: ${{ parameters.targetPlatform }}
   - template: cmake-configure-build.yml
     parameters:
       targetPlatform: ${{ parameters.targetPlatform }}
diff --git a/azure-devops/vcpkg-dependencies.yml b/azure-devops/vcpkg-dependencies.yml
deleted file mode 100644
index bd22c161de..0000000000
--- a/azure-devops/vcpkg-dependencies.yml
+++ /dev/null
@@ -1,38 +0,0 @@
-# Copyright (c) Microsoft Corporation.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
-parameters:
-- name: targetPlatform
-  type: string
-- name: vcpkgLocationVar
-  type: string
-  default: vcpkgLocation
-- name: vcpkgSHAVar
-  type: string
-  default: vcpkgSHA
-steps:
-- task: Cache@2
-  displayName: vcpkg/installed Caching
-  timeoutInMinutes: 10
-  inputs:
-    key: '"${{ parameters.targetPlatform }}" | "$(${{ parameters.vcpkgSHAVar }})" | "2020-03-01.01"'
-    path: '$(${{ parameters.vcpkgLocationVar }})/installed'
-    cacheHitVar: CACHE_RESTORED
-- task: run-vcpkg@0
-  displayName: 'Run vcpkg to Install boost-build'
-  condition: ne(variables.CACHE_RESTORED, 'true')
-  timeoutInMinutes: 10
-  inputs:
-    doNotUpdateVcpkg: true
-    vcpkgArguments: 'boost-build'
-    vcpkgDirectory: '$(${{ parameters.vcpkgLocationVar }})'
-    vcpkgTriplet: 'x86-windows'
-- task: run-vcpkg@0
-  displayName: 'Run vcpkg to Install boost-math'
-  condition: ne(variables.CACHE_RESTORED, 'true')
-  timeoutInMinutes: 10
-  inputs:
-    doNotUpdateVcpkg: true
-    vcpkgArguments: 'boost-math'
-    vcpkgDirectory: '$(${{ parameters.vcpkgLocationVar }})'
-    vcpkgTriplet: '${{ parameters.targetPlatform }}-windows'
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 3614037de9..0287f4c367 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -6,7 +6,6 @@
 variables:
   tmpDir: 'D:\Temp'
   buildOutputLocation: 'D:\build'
-  vcpkgLocation: '$(Build.SourcesDirectory)/vcpkg'
 
 pool: 'StlBuild-2021-08-11'
 
diff --git a/boost-math b/boost-math
new file mode 160000
index 0000000000..88c4b8d661
--- /dev/null
+++ b/boost-math
@@ -0,0 +1 @@
+Subproject commit 88c4b8d661dbe15be7317f04f1eccae0c9c39980
diff --git a/stl/CMakeLists.txt b/stl/CMakeLists.txt
index c08cb31cb9..a0232ab12e 100644
--- a/stl/CMakeLists.txt
+++ b/stl/CMakeLists.txt
@@ -478,7 +478,7 @@ function(add_stl_dlls D_SUFFIX THIS_CONFIG_DEFINITIONS THIS_CONFIG_COMPILE_OPTIO
     add_library(msvcp_2${D_SUFFIX}_objects OBJECT ${SOURCES_SATELLITE_2})
     target_compile_definitions(msvcp_2${D_SUFFIX}_objects PRIVATE "_BUILDING_SATELLITE_2;_DLL;${THIS_CONFIG_DEFINITIONS}")
     target_compile_options(msvcp_2${D_SUFFIX}_objects PRIVATE "${THIS_CONFIG_COMPILE_OPTIONS};${GL_FLAG};/EHsc")
-    target_link_libraries(msvcp_2${D_SUFFIX}_objects PRIVATE Boost::headers Boost::disable_autolinking)
+    target_link_libraries(msvcp_2${D_SUFFIX}_objects PRIVATE Boost::math)
 
     add_library(msvcp_2${D_SUFFIX} SHARED)
     target_link_libraries(msvcp_2${D_SUFFIX} PRIVATE msvcp_2${D_SUFFIX}_objects msvcp${D_SUFFIX}_satellite_objects msvcp${D_SUFFIX}_implib_objects std_init_once_begin_initialize std_init_once_complete "msvcp${D_SUFFIX}" "${TOOLSET_LIB}/vcruntime${D_SUFFIX}.lib" "${TOOLSET_LIB}/msvcrt${D_SUFFIX}.lib" "ucrt${D_SUFFIX}.lib")
@@ -540,7 +540,7 @@ function(add_stl_statics FLAVOR_SUFFIX THIS_CONFIG_DEFINITIONS THIS_CONFIG_COMPI
     add_library(libcpmt${FLAVOR_SUFFIX} STATIC ${HEADERS} ${IMPLIB_SOURCES} ${SOURCES} ${STATIC_SOURCES})
     target_compile_definitions(libcpmt${FLAVOR_SUFFIX} PRIVATE "${THIS_CONFIG_DEFINITIONS}")
     target_compile_options(libcpmt${FLAVOR_SUFFIX} PRIVATE "${THIS_CONFIG_COMPILE_OPTIONS};/EHsc")
-    target_link_libraries(libcpmt${FLAVOR_SUFFIX} PRIVATE Boost::headers Boost::disable_autolinking libcpmt${FLAVOR_SUFFIX}_eha std_init_once_begin_initialize std_init_once_complete)
+    target_link_libraries(libcpmt${FLAVOR_SUFFIX} PRIVATE Boost::math libcpmt${FLAVOR_SUFFIX}_eha std_init_once_begin_initialize std_init_once_complete)
 endfunction()
 
 add_stl_statics("" "_ITERATOR_DEBUG_LEVEL=0" "${VCLIBS_RELEASE_OPTIONS}")
diff --git a/tools/validate/validate.cpp b/tools/validate/validate.cpp
index 192a43833f..1491f1f3d1 100644
--- a/tools/validate/validate.cpp
+++ b/tools/validate/validate.cpp
@@ -191,10 +191,10 @@ int main() {
         L".vs"sv,
         L".vscode"sv,
         L"__pycache__"sv,
+        L"boost-math"sv,
         L"build"sv,
         L"llvm-project"sv,
         L"out"sv,
-        L"vcpkg"sv,
     };
 
     static constexpr array skipped_extensions{
diff --git a/vcpkg b/vcpkg
deleted file mode 160000
index 1257354a3a..0000000000
--- a/vcpkg
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 1257354a3ab0bebd8abe95281ca561537853578c