diff --git a/.github/workflows/build_all_apps.yml b/.github/workflows/build_all_apps.yml
deleted file mode 100644
index 5fea050909..0000000000
--- a/.github/workflows/build_all_apps.yml
+++ /dev/null
@@ -1,69 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#  http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-#
-
-name: Build check
-
-on: [push, pull_request]
-
-jobs:
-  targets:
-    name: Build all apps
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest]
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
-        with:
-          go-version: 'stable'
-      - uses: carlosperate/arm-none-eabi-gcc-action@48db4484a55750df7a0ccca63347fcdea6534d78
-        with:
-          release: '12.2.Rel1'
-      - name: Install Dependencies
-        shell: bash
-        if: matrix.os == 'ubuntu-latest'
-        run: |
-             sudo apt-get update
-             sudo apt-get install -y gcc-multilib
-      - name: Install newt
-        shell: bash
-        run: |
-             go version
-             go install mynewt.apache.org/newt/newt@latest
-      - name: Setup project
-        shell: bash
-        run: |
-             newt new build
-             cp -f .github/project_build_all_apps.yml build/project.yml
-             cd build
-             newt upgrade --shallow=1
-             git -C repos/apache-mynewt-core fetch origin $GITHUB_SHA
-             sed -i "s/0.0.0/$GITHUB_SHA-commit/g" project.yml
-             newt upgrade --shallow=1
-             rm -rf targets
-             cd ..
-      - name: Build applications
-        shell: bash
-        if: matrix.os == 'ubuntu-latest'
-        run: |
-             cd build
-             bash ../.github/test_build_apps.sh
-             cd ..
diff --git a/.github/workflows/build_blinky.yml b/.github/workflows/build_blinky.yml
deleted file mode 100644
index 70898cb6ac..0000000000
--- a/.github/workflows/build_blinky.yml
+++ /dev/null
@@ -1,69 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#  http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-#
-
-name: Build check
-
-on: [push, pull_request]
-
-jobs:
-  blinky:
-    name: Build blinky
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
-        with:
-          go-version: 'stable'
-      - uses: carlosperate/arm-none-eabi-gcc-action@48db4484a55750df7a0ccca63347fcdea6534d78
-        with:
-          release: '12.2.Rel1'
-      - name: Install Dependencies
-        if: matrix.os == 'ubuntu-latest'
-        run: |
-             sudo apt-get update
-             sudo apt-get install -y gcc-multilib
-      - name: Install GNU sed
-        if: matrix.os == 'macos-latest'
-        run: |
-             brew install gnu-sed
-             echo "$(brew --prefix)/opt/gnu-sed/libexec/gnubin" >> $GITHUB_PATH
-      - name: Install newt
-        run: |
-             go version
-             go install mynewt.apache.org/newt/newt@latest
-      - name: Setup Blinky project
-        shell: bash
-        run: |
-             newt new build
-             cp -f .github/project.yml build/project.yml
-             cd build
-             newt upgrade --shallow=1
-             git -C repos/apache-mynewt-core fetch origin $GITHUB_SHA
-             sed -i "s/0.0.0/$GITHUB_SHA-commit/g" project.yml
-             newt upgrade --shallow=1
-             cd ..
-      - name: Build Blinky
-        shell: bash
-        run: |
-             cd build
-             bash ../.github/test_build_blinky.sh
diff --git a/.github/workflows/build_bootloader.yml b/.github/workflows/build_bootloader.yml
deleted file mode 100644
index 9dc33e36ee..0000000000
--- a/.github/workflows/build_bootloader.yml
+++ /dev/null
@@ -1,69 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#  http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-#
-
-name: Build check
-
-on: [push, pull_request]
-
-jobs:
-  bootloader:
-    name: Build bootloader
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest]
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
-        with:
-          go-version: 'stable'
-      - uses: carlosperate/arm-none-eabi-gcc-action@48db4484a55750df7a0ccca63347fcdea6534d78
-        with:
-          release: '12.2.Rel1'
-      - name: Install Dependencies
-        if: matrix.os == 'ubuntu-latest'
-        run: |
-             sudo apt-get update
-             sudo apt-get install -y gcc-multilib
-      - name: Install GNU sed
-        if: matrix.os == 'macos-latest'
-        run: |
-             brew install gnu-sed
-             echo "$(brew --prefix)/opt/gnu-sed/libexec/gnubin" >> $GITHUB_PATH
-      - name: Install newt
-        run: |
-             go version
-             go install mynewt.apache.org/newt/newt@latest
-      - name: Setup project
-        shell: bash
-        run: |
-             newt new build
-             cp -f .github/project.yml build/project.yml
-             cd build
-             newt upgrade --shallow=1
-             git -C repos/apache-mynewt-core fetch origin $GITHUB_SHA
-             sed -i "s/0.0.0/$GITHUB_SHA-commit/g" project.yml
-             newt upgrade --shallow=1
-             cd ..
-      - name: Build bootloader
-        shell: bash
-        run: |
-             cd build
-             bash ../.github/test_build_bootloader.sh
diff --git a/.github/workflows/build_cc_target.yml b/.github/workflows/build_cc_target.yml
deleted file mode 100644
index 88fe1a1a14..0000000000
--- a/.github/workflows/build_cc_target.yml
+++ /dev/null
@@ -1,62 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#  http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-#
-
-name: Build check
-
-on: [push, pull_request]
-
-jobs:
-  targets:
-    name: Build GCC test target
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest]
-        gcc: ['13.2.Rel1', '12.2.Rel1', '11.3.Rel1', '10.3-2021.10', '9-2020-q2', '8-2019-q3']
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
-        with:
-          go-version: 'stable'
-      - uses: carlosperate/arm-none-eabi-gcc-action@v1.8.1
-        with:
-          release: ${{ matrix.gcc }}
-      - name: Install newt
-        shell: bash
-        run: |
-             go version
-             go install mynewt.apache.org/newt/newt@latest
-      - name: Setup project
-        shell: bash
-        run: |
-             newt new build
-             cp -f .github/project_build_cc_target.yml build/project.yml
-             cd build
-             newt upgrade --shallow=1
-             git -C repos/apache-mynewt-core fetch origin $GITHUB_SHA
-             sed -i "s/0.0.0/$GITHUB_SHA-commit/g" project.yml
-             newt upgrade --shallow=1
-             cd ..
-      - name: Build targets
-        shell: bash
-        run: |
-             cd build
-             newt build -j 1 @apache-mynewt-core/targets/coverity/btshell_nrf52840_coverity
-             newt build -j 1 @apache-mynewt-core/targets/coverity/btshell_nrf52840_coverity2
diff --git a/.github/workflows/build_targets.yml b/.github/workflows/build_targets.yml
deleted file mode 100644
index 1b660b3486..0000000000
--- a/.github/workflows/build_targets.yml
+++ /dev/null
@@ -1,77 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#  http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-#
-
-name: Build check
-
-on: [push, pull_request]
-
-jobs:
-  targets:
-    name: Build all test targets
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
-        with:
-          go-version: 'stable'
-      - uses: carlosperate/arm-none-eabi-gcc-action@48db4484a55750df7a0ccca63347fcdea6534d78
-        with:
-          release: '12.2.Rel1'
-      - name: Install GNU sed
-        if: matrix.os == 'macos-latest'
-        run: |
-             brew install gnu-sed
-             echo "$(brew --prefix)/opt/gnu-sed/libexec/gnubin" >> $GITHUB_PATH
-      - name: Install newt
-        run: |
-             go version
-             go install mynewt.apache.org/newt/newt@latest
-      - name: Setup project
-        shell: bash
-        run: |
-             newt new build
-             cp -f .github/project.yml build/project.yml
-             cd build
-             newt upgrade --shallow=1
-             git -C repos/apache-mynewt-core fetch origin $GITHUB_SHA
-             sed -i "s/0.0.0/$GITHUB_SHA-commit/g" project.yml
-             newt upgrade --shallow=1
-             rm -rf targets
-             cd ..
-      - name: Build targets
-        shell: bash
-        run: |
-             cp -r .github/targets build/targets
-             cd build
-             ls targets | xargs -n1 sh -c 'echo "Testing $0"; newt build -q $0'
-             rm -rf targets
-             cd ..
-      - name: Build Linux-only targets
-        shell: bash
-        if: matrix.os == 'ubuntu-latest'
-        run: |
-             cp -r .github/targets_linux build/targets
-             cd build
-             ls targets | xargs -n1 sh -c 'echo "Testing $0"; newt build -q  $0'
-             rm -rf targets
-             cd ..
diff --git a/.github/workflows/check_compliance.yml b/.github/workflows/check_compliance.yml
deleted file mode 100644
index 886c300a96..0000000000
--- a/.github/workflows/check_compliance.yml
+++ /dev/null
@@ -1,71 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#  http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-#
-
-name: Compliance check
-
-on: [pull_request]
-
-jobs:
-  style_check:
-    name: Coding style
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-      - name: Install Dependencies
-        run: |
-             sudo apt-get update
-             sudo apt-get install -y uncrustify
-      - name: check style
-        run: |
-             .github/check_style.py
-
-  license_check:
-    name: Licensing
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-      - name: Install Dependencies
-        run: |
-             wget https://dlcdn.apache.org//creadur/apache-rat-0.16.1/apache-rat-0.16.1-bin.tar.gz
-             tar zxf apache-rat-0.16.1-bin.tar.gz apache-rat-0.16.1/apache-rat-0.16.1.jar
-             mv apache-rat-0.16.1/apache-rat-0.16.1.jar apache-rat.jar
-      - name: check licensing
-        run: |
-             .github/check_license.py
-
-  doxygen_check:
-    name: Doxygen Check
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-      - name: Install Dependencies
-        shell: bash
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y doxygen
-      - name: Check Doxygen
-        shell: bash
-        run: |
-          .github/check_doxygen.py
diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
deleted file mode 100644
index c084f29d81..0000000000
--- a/.github/workflows/labeler.yml
+++ /dev/null
@@ -1,45 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#  http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-#
-
-name: "Pull Request Labeler"
-on:
-  - pull_request_target
-
-jobs:
-  labeler:
-    permissions:
-      contents: read
-      pull-requests: write
-      issues: write
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
-
-      - name: Assign labels based on paths
-        uses: actions/labeler@v5
-        with:
-          sync-labels: true
-          configuration-path: .github/labeler_cfg.yml
-
-      - name: Assign labels based on the PR's size
-        uses: codelytv/pr-size-labeler@v1.10.0
-        with:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          ignore_file_deletions: true
diff --git a/.github/workflows/newt_test_all.yml b/.github/workflows/newt_test_all.yml
index 655bbce988..0f13835168 100644
--- a/.github/workflows/newt_test_all.yml
+++ b/.github/workflows/newt_test_all.yml
@@ -27,7 +27,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-13]
+        os: [macos-13]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
@@ -61,5 +61,6 @@ jobs:
              cd ..
       - name: newt test all
         run: |
-             cd build
-             newt test all
+             cd build/repos/apache-mynewt-core
+             chmod +x test.sh
+             test.sh
diff --git a/kernel/os/selftest/src/testcases/os_mutex_test_case_1.c b/kernel/os/selftest/src/testcases/os_mutex_test_case_1.c
index c83911c9cb..22ac3bc1d3 100644
--- a/kernel/os/selftest/src/testcases/os_mutex_test_case_1.c
+++ b/kernel/os/selftest/src/testcases/os_mutex_test_case_1.c
@@ -42,5 +42,5 @@ TEST_CASE_TASK(os_mutex_test_case_1)
     taskpool_alloc_assert(mutex_task3_handler,
                           MYNEWT_VAL(OS_MAIN_TASK_PRIO) + 4);
 
-    taskpool_wait_assert(200);
+    taskpool_wait_assert(400);
 }
diff --git a/kernel/os/selftest/src/testcases/os_mutex_test_case_2.c b/kernel/os/selftest/src/testcases/os_mutex_test_case_2.c
index 7a00de57ad..ce10d1325e 100644
--- a/kernel/os/selftest/src/testcases/os_mutex_test_case_2.c
+++ b/kernel/os/selftest/src/testcases/os_mutex_test_case_2.c
@@ -39,5 +39,5 @@ TEST_CASE_TASK(os_mutex_test_case_2)
     taskpool_alloc_assert(mutex_task4_handler,
                           MYNEWT_VAL(OS_MAIN_TASK_PRIO) + 5);
 
-    taskpool_wait_assert(200);
+    taskpool_wait_assert(400);
 }
diff --git a/test.sh b/test.sh
new file mode 100755
index 0000000000..0bb077d4d6
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,10 @@
+#! /bin/bash
+
+cd ../..
+
+for ((i=0; i<1000; i++)) do
+  if ! newt test @apache-mynewt-core/kernel/os/selftest
+  then
+    exit 1
+  fi
+done