diff --git a/.github/workflows/test_size.yml b/.github/workflows/test_size.yml
index 3e3f08fa6e..bdaa2e2083 100644
--- a/.github/workflows/test_size.yml
+++ b/.github/workflows/test_size.yml
@@ -251,42 +251,3 @@ jobs:
         shell: bash
         run: |
           diff -r $GITHUB_WORKSPACE/base_branch_bin_no_versions $GITHUB_WORKSPACE/pr_bin_no_versions --exclude=*.elf --exclude=*.apj || true
-
-      - name: elf_diff compare with ${{ github.event.pull_request.base.ref }}
-        shell: bash
-        run: |
-          # we don't use weasyprint so manually pull the elf_diff deps reduce install size and time
-          python3 -m pip install -U --no-deps elf_diff GitPython Jinja2 MarkupSafe PyYAML anytree dict2xml gitdb progressbar2 python-utils setuptools-git smmap
-          mkdir elf_diff
-          BIN_PREFIX="arm-none-eabi-"
-          if [ "${{ matrix.toolchain }}" = "armhf" ]; then
-             BIN_PREFIX="arm-linux-gnueabihf-"
-          fi
-          BOOTLOADER=0
-          AP_PERIPH=0
-          if [ "${{matrix.config}}" = "Hitec-Airspeed" ] ||
-             [ "${{matrix.config}}" = "f103-GPS" ]; then
-            AP_PERIPH=1
-          elif [ "${{matrix.config}}" = "MatekF405-CAN" ]; then
-            BOOTLOADER=1
-          fi
-
-          if [ $AP_PERIPH -eq 1 ]; then
-             TO_CHECK="AP_Periph"
-          elif [ $BOOTLOADER -eq 1 ]; then
-             TO_CHECK="AP_Bootloader"
-          else
-             TO_CHECK="arduplane arducopter"
-          fi
-          for CHECK in $TO_CHECK; do
-             python3 -m elf_diff --bin_prefix="$BIN_PREFIX" --html_dir=elf_diff/AP_Periph $GITHUB_WORKSPACE/base_branch_bin/$CHECK $GITHUB_WORKSPACE/pr_bin/$CHECK
-          done
-
-          zip -r elf_diff.zip elf_diff
-
-      - name: Archive elf_diff output
-        uses: actions/upload-artifact@v3
-        with:
-           name: ELF_DIFF_${{matrix.config}}
-           path: elf_diff.zip
-           retention-days: 14