diff --git a/.github/workflows/build-spack.yml b/.github/workflows/build-spack.yml
index 2228881b8d..fe1f45cd4e 100644
--- a/.github/workflows/build-spack.yml
+++ b/.github/workflows/build-spack.yml
@@ -24,29 +24,11 @@ jobs:
       matrix:
         geometry: ["vecgeom"]
         special: [null]
-        geant: ["10.5", "10.6", "10.7", "11.0", "11.1", "11.2"]
+        geant: ["11.0"]
         include:
-          - geometry: "orange"
-            special: "minimal"
-            geant: null
-          - geometry: "orange"
-            special: "float"
-            geant: "11.0"
-          - geometry: "orange"
-            special: "asanlite"
-            geant: null
-          - geometry: "vecgeom"
-            special: "clhep"
-            geant: "11.0"
           - geometry: "vecgeom"
             special: "vgsurf"
             geant: "11.0"
-          - geometry: "geant4"
-            special: null
-            geant: "11.0"
-          - geometry: "orange"
-            special: "clang-tidy"
-            geant: "11.2"
     env:
       CCACHE_DIR: "${{github.workspace}}/.ccache"
       CCACHE_MAXSIZE: "100Mi"
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index ab865fda3d..2525468441 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -32,38 +32,7 @@ jobs:
       with:
         name: event-file
         path: ${{github.event_path}}
-  build-fast:
-    uses: ./.github/workflows/build-fast.yml
-  build-ultralite:
-    uses: ./.github/workflows/build-ultralite.yml
-  doc:
-    uses: ./.github/workflows/doc.yml
-  all-prechecks:
-    needs: [build-fast, build-ultralite, doc]
-    runs-on: ubuntu-latest
-    steps:
-    - name: Success
-      run: "true"
-  build-docker:
-    # Since docker builds aren't cached and are large, don't run on draft
-    if: ${{github.event.pull_request.draft == false}}
-    needs: [all-prechecks]
-    uses: ./.github/workflows/build-docker.yml
   build-spack:
-    needs: [all-prechecks]
     uses: ./.github/workflows/build-spack.yml
 
-  # Specifying a dependent job allows us to select a single "requires" check in the project GitHub settings
-  all:
-    if: ${{always()}}
-    needs:
-    - build-docker
-    - build-spack
-    runs-on: ubuntu-latest
-    steps:
-    - name: Decide whether the needed jobs succeeded or failed
-      uses: re-actors/alls-green@release/v1
-      with:
-        jobs: ${{toJSON(needs)}}
-
 # vim: set nowrap tw=100: