diff --git a/.github/workflows/deploy-gh-pages.yml b/.github/workflows/deploy-gh-pages.yml
deleted file mode 100644
index 5766be7fd..000000000
--- a/.github/workflows/deploy-gh-pages.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-name: Deploy static content to Pages
-
-on:
-  workflow_call:
-  workflow_dispatch:
-
-permissions:
-  contents: read
-  pages: write
-  id-token: write
-
-concurrency:
-  group: pages
-  cancel-in-progress: true
-
-jobs:
-  deploy:
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          ref: master
-          submodules: recursive
-      - name: Setup Pages
-        uses: actions/configure-pages@v3
-      - name: Upload artifacts
-        uses: actions/upload-pages-artifact@v1
-        with:
-          path: '.'
-      - name: Deploy to GH Pages
-        id: deployment
-        uses: actions/deploy-pages@v2
diff --git a/.gitmodules b/.gitmodules
index 117ea033b..e69de29bb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,8 +0,0 @@
-[submodule "registereditems/unstable/sosa"]
-	path = registereditems/unstable/sosa
-	url = https://github.com/opengeospatial/ogcapi-sosa.git
-	branch = master
-[submodule "registereditems/incubator"]
-	path = registereditems/incubator
-	url = https://github.com/ogcincubator/bblocks-incubator.git
-	branch = master
diff --git a/registereditems/unstable/sosa b/registereditems/unstable/sosa
deleted file mode 160000
index 9ed50b0dc..000000000
--- a/registereditems/unstable/sosa
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9ed50b0dcbc322f43085ed4afbe4f256e4fd8af6