diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 79e669700b..e8feef98b9 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -181,167 +181,6 @@ jobs:
         if: ${{ !cancelled() }}
         run: cargo deny check --hide-inclusion-graph
 
-
-  debug-on-large-runner:
-    needs: [ check-permissions, tag, build-buildtools-image ]
-    runs-on: [ self-hosted, gen3, large ]
-    container:
-      image: 369495373322.dkr.ecr.eu-central-1.amazonaws.com/build-tools:${{ needs.build-buildtools-image.outputs.build-tools-tag }}
-      options: --init
-    strategy:
-      fail-fast: false
-      matrix:
-        build_type: [ debug, release ]
-    env:
-      BUILD_TYPE: ${{ matrix.build_type }}
-      GIT_VERSION: ${{ github.event.pull_request.head.sha || github.sha }}
-      BUILD_TAG: ${{ needs.tag.outputs.build-tag }}
-    steps:
-    - name: Fix git ownership
-      run: |
-        # Workaround for `fatal: detected dubious ownership in repository at ...`
-        #
-        # Use both ${{ github.workspace }} and ${GITHUB_WORKSPACE} because they're different on host and in containers
-        #   Ref https://github.com/actions/checkout/issues/785
-        #
-        git config --global --add safe.directory ${{ github.workspace }}
-        git config --global --add safe.directory ${GITHUB_WORKSPACE}
-        for r in 14 15 16; do
-          git config --global --add safe.directory "${{ github.workspace }}/vendor/postgres-v$r"
-          git config --global --add safe.directory "${GITHUB_WORKSPACE}/vendor/postgres-v$r"
-        done
-
-    - name: Checkout
-      uses: actions/checkout@v3
-      with:
-        submodules: true
-        fetch-depth: 1
-
-    - name: Check Postgres submodules revision
-      shell: bash -euo pipefail {0}
-      run: |
-        # This is a temporary solution to ensure that the Postgres submodules revision is correct (i.e. the updated intentionally).
-        # Eventually it will be replaced by a regression test https://github.com/neondatabase/neon/pull/4603
-
-        FAILED=false
-        for postgres in postgres-v14 postgres-v15 postgres-v16; do
-          expected=$(cat vendor/revisions.json | jq --raw-output '."'"${postgres}"'"')
-          actual=$(git rev-parse "HEAD:vendor/${postgres}")
-          if [ "${expected}" != "${actual}" ]; then
-            echo >&2 "Expected ${postgres} rev to be at '${expected}', but it is at '${actual}'"
-            FAILED=true
-          fi
-        done
-
-        if [ "${FAILED}" = "true" ]; then
-          echo >&2 "Please update vendors/revisions.json if these changes are intentional"
-          exit 1
-        fi
-
-    - name: Set pg 14 revision for caching
-      id: pg_v14_rev
-      run: echo pg_rev=$(git rev-parse HEAD:vendor/postgres-v14) >> $GITHUB_OUTPUT
-
-    - name: Set pg 15 revision for caching
-      id: pg_v15_rev
-      run: echo pg_rev=$(git rev-parse HEAD:vendor/postgres-v15) >> $GITHUB_OUTPUT
-
-    - name: Set pg 16 revision for caching
-      id: pg_v16_rev
-      run: echo pg_rev=$(git rev-parse HEAD:vendor/postgres-v16) >> $GITHUB_OUTPUT
-
-    # Set some environment variables used by all the steps.
-    #
-    # CARGO_FLAGS is extra options to pass to "cargo build", "cargo test" etc.
-    #   It also includes --features, if any
-    #
-    # CARGO_FEATURES is passed to "cargo metadata". It is separate from CARGO_FLAGS,
-    #   because "cargo metadata" doesn't accept --release or --debug options
-    #
-    # We run tests with addtional features, that are turned off by default (e.g. in release builds), see
-    # corresponding Cargo.toml files for their descriptions.
-    - name: Set env variables
-      run: |
-        CARGO_FEATURES="--features testing"
-        if [[ $BUILD_TYPE == "debug" ]]; then
-          cov_prefix="scripts/coverage --profraw-prefix=$GITHUB_JOB --dir=/tmp/coverage run"
-          CARGO_FLAGS="--locked"
-        elif [[ $BUILD_TYPE == "release" ]]; then
-          cov_prefix=""
-          CARGO_FLAGS="--locked --release"
-        fi
-        {
-          echo "cov_prefix=${cov_prefix}"
-          echo "CARGO_FEATURES=${CARGO_FEATURES}"
-          echo "CARGO_FLAGS=${CARGO_FLAGS}"
-          echo "CARGO_HOME=${GITHUB_WORKSPACE}/.cargo"
-        } >> $GITHUB_ENV
-
-    # Disabled for now
-    # Don't include the ~/.cargo/registry/src directory. It contains just
-    # uncompressed versions of the crates in ~/.cargo/registry/cache
-    # directory, and it's faster to let 'cargo' to rebuild it from the
-    # compressed crates.
-#      - name: Cache cargo deps
-#        id: cache_cargo
-#        uses: actions/cache@v3
-#        with:
-#          path: |
-#            ~/.cargo/registry/
-#            !~/.cargo/registry/src
-#            ~/.cargo/git/
-#            target/
-#          # Fall back to older versions of the key, if no cache for current Cargo.lock was found
-#          key: |
-#            v1-${{ runner.os }}-${{ matrix.build_type }}-cargo-${{ hashFiles('rust-toolchain.toml') }}-${{ hashFiles('Cargo.lock') }}
-#            v1-${{ runner.os }}-${{ matrix.build_type }}-cargo-${{ hashFiles('rust-toolchain.toml') }}-
-
-    - name: Cache postgres v14 build
-      id: cache_pg_14
-      uses: actions/cache@v3
-      with:
-        path: pg_install/v14
-        key: v1-${{ runner.os }}-${{ matrix.build_type }}-pg-${{ steps.pg_v14_rev.outputs.pg_rev }}-${{ hashFiles('Makefile') }}
-
-    - name: Cache postgres v15 build
-      id: cache_pg_15
-      uses: actions/cache@v3
-      with:
-        path: pg_install/v15
-        key: v1-${{ runner.os }}-${{ matrix.build_type }}-pg-${{ steps.pg_v15_rev.outputs.pg_rev }}-${{ hashFiles('Makefile') }}
-
-    - name: Cache postgres v16 build
-      id: cache_pg_16
-      uses: actions/cache@v3
-      with:
-        path: pg_install/v16
-        key: v1-${{ runner.os }}-${{ matrix.build_type }}-pg-${{ steps.pg_v16_rev.outputs.pg_rev }}-${{ hashFiles('Makefile') }}
-
-    - name: Build postgres v14
-      if: steps.cache_pg_14.outputs.cache-hit != 'true'
-      run: mold -run make postgres-v14 -j$(nproc)
-
-    - name: Build postgres v15
-      if: steps.cache_pg_15.outputs.cache-hit != 'true'
-      run: mold -run make postgres-v15 -j$(nproc)
-
-    - name: Build postgres v16
-      if: steps.cache_pg_16.outputs.cache-hit != 'true'
-      run: mold -run make postgres-v16 -j$(nproc)
-
-    - name: Build neon extensions
-      run: mold -run make neon-pg-ext -j$(nproc)
-
-    - name: Build walproposer-lib
-      run: mold -run make walproposer-lib -j$(nproc)
-
-    - name: Run cargo build
-      run: |
-        ${cov_prefix} mold -run cargo build $CARGO_FLAGS $CARGO_FEATURES --bins --tests
-
-    - name: Run sleep so Christian can connect to the machine and reproduce the issue
-      run: sleep 100000
-
   build-neon:
     needs: [ check-permissions, tag, build-buildtools-image ]
     runs-on: [ self-hosted, gen3, large ]