diff --git a/.drone/drone.bat b/.drone/drone.bat
index d5cd407..6aa806a 100644
--- a/.drone/drone.bat
+++ b/.drone/drone.bat
@@ -15,7 +15,6 @@ cd boost-root
 git submodule update --init tools/boostdep libs/functional
 xcopy /s /e /q %DRONE_BUILD_DIR% libs\%LIBRARY%\
 python tools/boostdep/depinst/depinst.py %LIBRARY%
-python tools/boostdep/depinst/depinst.py functional
 cmd /c bootstrap
 b2 -d0 headers
 
diff --git a/.drone/drone.sh b/.drone/drone.sh
index 5f35623..eb662ee 100755
--- a/.drone/drone.sh
+++ b/.drone/drone.sh
@@ -18,7 +18,6 @@ cd boost-root
 git submodule update --init tools/boostdep libs/functional
 cp -r $DRONE_BUILD_DIR/* libs/$LIBRARY
 python tools/boostdep/depinst/depinst.py $LIBRARY
-python tools/boostdep/depinst/depinst.py functional
 ./bootstrap.sh
 ./b2 -d0 headers
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fb5285b..82ec348 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -219,7 +219,6 @@ jobs:
           cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
           git submodule update --init tools/boostdep libs/functional
           python3 tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
-          python3 tools/boostdep/depinst/depinst.py --git_args "--jobs 3" functional
           ./bootstrap.sh
           ./b2 -d0 headers
 
@@ -283,7 +282,6 @@ jobs:
           xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
           git submodule update --init tools/boostdep libs/functional
           python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
-          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" functional
           cmd /c bootstrap
           b2 -d0 headers
 
@@ -332,7 +330,6 @@ jobs:
           cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
           git submodule update --init tools/boostdep libs/functional
           python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
-          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" functional
 
       - name: Use library with add_subdirectory
         run: |
@@ -381,7 +378,6 @@ jobs:
           cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
           git submodule update --init tools/boostdep libs/functional
           python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
-          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" functional
 
       - name: Configure
         run: |
@@ -440,7 +436,6 @@ jobs:
           cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
           git submodule update --init tools/boostdep libs/functional
           python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
-          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" functional
 
       - name: Configure
         run: |
@@ -490,7 +485,6 @@ jobs:
           xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
           git submodule update --init tools/boostdep libs/functional
           python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
-          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" functional
 
       - name: Use library with add_subdirectory (Debug)
         shell: cmd
@@ -540,7 +534,6 @@ jobs:
           xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
           git submodule update --init tools/boostdep libs/functional
           python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
-          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" functional
 
       - name: Configure
         shell: cmd
@@ -608,7 +601,6 @@ jobs:
           xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
           git submodule update --init tools/boostdep libs/functional
           python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
-          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" functional
 
       - name: Configure
         shell: cmd
diff --git a/appveyor.yml b/appveyor.yml
index e2cc74e..3f1fe3a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -63,7 +63,6 @@ install:
   - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\smart_ptr\
   - git submodule update --init tools/boostdep libs/functional
   - python tools/boostdep/depinst/depinst.py smart_ptr
-  - python tools/boostdep/depinst/depinst.py functional
   - cmd /c bootstrap
   - b2 -d0 headers
 
diff --git a/test/Jamfile b/test/Jamfile
index 37e55b0..683e9b1 100644
--- a/test/Jamfile
+++ b/test/Jamfile
@@ -16,7 +16,6 @@ project
     : requirements
       <library>/boost/align//boost_align
       <library>/boost/container_hash//boost_container_hash
-      <library>/boost/functional//boost_functional
       <library>/boost/smart_ptr//boost_smart_ptr
       <toolset>gcc:<cxxflags>-Wno-non-virtual-dtor
       <toolset>gcc:<cxxflags>-Wno-deprecated-declarations