diff --git a/.github/workflows/nix-action-coq-master.yml b/.github/workflows/nix-action-coq-master.yml
index 96130a29..1098171d 100644
--- a/.github/workflows/nix-action-coq-master.yml
+++ b/.github/workflows/nix-action-coq-master.yml
@@ -207,83 +207,6 @@ jobs:
       name: Building/fetching current CI target
       run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "coq-master"
         --argstr job "coq-elpi"
-  coqeal:
-    needs:
-    - coq
-    - mathcomp-algebra
-    - bignums
-    - paramcoq
-    - multinomials
-    - mathcomp-real-closed
-    runs-on: ubuntu-latest
-    steps:
-    - name: Determine which commit to initially checkout
-      run: "if [ ${{ github.event_name }} = \"push\" ]; then\n  echo \"target_commit=${{\
-        \ github.sha }}\" >> $GITHUB_ENV\nelse\n  echo \"target_commit=${{ github.event.pull_request.head.sha\
-        \ }}\" >> $GITHUB_ENV\nfi\n"
-    - name: Git checkout
-      uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
-        ref: ${{ env.target_commit }}
-    - name: Determine which commit to test
-      run: "if [ ${{ github.event_name }} = \"push\" ]; then\n  echo \"tested_commit=${{\
-        \ github.sha }}\" >> $GITHUB_ENV\nelse\n  merge_commit=$(git ls-remote ${{\
-        \ github.event.repository.html_url }} refs/pull/${{ github.event.number }}/merge\
-        \ | cut -f1)\n  mergeable=$(git merge --no-commit --no-ff ${{ github.event.pull_request.base.sha\
-        \ }} > /dev/null 2>&1; echo $?; git merge --abort > /dev/null 2>&1 || true)\n\
-        \  if [ -z \"$merge_commit\" -o \"x$mergeable\" != \"x0\" ]; then\n    echo\
-        \ \"tested_commit=${{ github.event.pull_request.head.sha }}\" >> $GITHUB_ENV\n\
-        \  else\n    echo \"tested_commit=$merge_commit\" >> $GITHUB_ENV\n  fi\nfi\n"
-    - name: Git checkout
-      uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
-        ref: ${{ env.tested_commit }}
-    - name: Cachix install
-      uses: cachix/install-nix-action@v27
-      with:
-        nix_path: nixpkgs=channel:nixpkgs-unstable
-    - name: Cachix setup math-comp
-      uses: cachix/cachix-action@v15
-      with:
-        authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
-        extraPullNames: coq, coq-community
-        name: math-comp
-    - id: stepCheck
-      name: Checking presence of CI target coqeal
-      run: "nb_dry_run=$(NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link \\\n   --argstr\
-        \ bundle \"coq-master\" --argstr job \"coqeal\" \\\n   --dry-run 2>&1 > /dev/null)\n\
-        echo $nb_dry_run\necho status=$(echo $nb_dry_run | grep \"built:\" | sed \"\
-        s/.*/built/\") >> $GITHUB_OUTPUT\n"
-    - if: steps.stepCheck.outputs.status == 'built'
-      name: 'Building/fetching previous CI target: coq'
-      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "coq-master"
-        --argstr job "coq"
-    - if: steps.stepCheck.outputs.status == 'built'
-      name: 'Building/fetching previous CI target: mathcomp-algebra'
-      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "coq-master"
-        --argstr job "mathcomp-algebra"
-    - if: steps.stepCheck.outputs.status == 'built'
-      name: 'Building/fetching previous CI target: bignums'
-      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "coq-master"
-        --argstr job "bignums"
-    - if: steps.stepCheck.outputs.status == 'built'
-      name: 'Building/fetching previous CI target: paramcoq'
-      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "coq-master"
-        --argstr job "paramcoq"
-    - if: steps.stepCheck.outputs.status == 'built'
-      name: 'Building/fetching previous CI target: multinomials'
-      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "coq-master"
-        --argstr job "multinomials"
-    - if: steps.stepCheck.outputs.status == 'built'
-      name: 'Building/fetching previous CI target: mathcomp-real-closed'
-      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "coq-master"
-        --argstr job "mathcomp-real-closed"
-    - if: steps.stepCheck.outputs.status == 'built'
-      name: Building/fetching current CI target
-      run: NIXPKGS_ALLOW_UNFREE=1 nix-build --no-out-link --argstr bundle "coq-master"
-        --argstr job "coqeal"
   deriving:
     needs:
     - coq
diff --git a/.nix/config.nix b/.nix/config.nix
index 4fb6ad39..1c31fdab 100644
--- a/.nix/config.nix
+++ b/.nix/config.nix
@@ -27,6 +27,7 @@
       coq-elpi.override.version = "master";
       bignums.override.version = "master";
       paramcoq.override.version = "master";
+      coqeal.job = false;  # broken in master, c.f. https://github.com/coq/coq/pull/19228
     };
     "coq-master".ocamlPackages = { elpi.override.version = "1.19.2"; };