diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
new file mode 100644
index 00000000..ec92f0c9
--- /dev/null
+++ b/.github/workflows/docs.yml
@@ -0,0 +1,31 @@
+name: Docs
+
+# Docs build check is defined once, centrally, in PyAutoHeart's reusable
+# workflow (Heart owns all health/readiness checking). This thin caller
+# builds the Sphinx docs on PRs and fails on warning-count regression
+# against docs/sphinx_warning_baseline.txt.
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - "docs/**"
+      - "autocti/**"
+      - "pyproject.toml"
+      - ".readthedocs.yaml"
+      - ".github/workflows/docs.yml"
+  pull_request:
+    paths:
+      - "docs/**"
+      - "autocti/**"
+      - "pyproject.toml"
+      - ".readthedocs.yaml"
+      - ".github/workflows/docs.yml"
+  workflow_dispatch:
+
+jobs:
+  docs:
+    uses: PyAutoLabs/PyAutoHeart/.github/workflows/docs-build.yml@main
+    with:
+      package: autocti
+    secrets: inherit
diff --git a/docs/conf.py b/docs/conf.py
index 855586f9..e76444fd 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -13,38 +13,10 @@
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
 
-from pyprojroot import here
-
-# /home/docs/checkouts/readthedocs.org/user_builds/pyautocti/checkouts/latest/docs
-
-clone_path = str(here())
-
-import os
 import sys
+from pathlib import Path
 
-sys.path.insert(0, os.path.abspath("."))
-
-
-def clone_repo(name: str, url: str):
-    clone = f"git clone {url}/{name}"
-    os.system(clone)
-    os.system(f"pip install -r {name}/requirements.txt")
-    os.system(f"rm -rf {name}/docs")
-    sys.path.insert(
-        0,
-        os.path.abspath(f"{clone_path}/{name}"),
-    )
-
-
-clone_repo(name="PyAutoFit", url="https://github.com/rhayes777")
-clone_repo(name="PyAutoArray", url="https://github.com/Jammy2211")
-
-clone_path = os.path.split(clone_path)[0]
-
-sys.path.insert(
-    0,
-    os.path.abspath(clone_path),
-)
+sys.path.insert(0, str(Path(".").resolve()))
 
 import autocti
 
diff --git a/docs/requirements.txt b/docs/requirements.txt
deleted file mode 100644
index 59dae3c3..00000000
--- a/docs/requirements.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-arcticpy==2.6
-autonerves==2024.11.6.1
-numpydoc>=1.0.0
-pyprojroot==0.2.0
-sphinx
-furo
-myst-parser
-sphinx_copybutton
-sphinx_design
-sphinx_inline_tabs
\ No newline at end of file
diff --git a/docs/sphinx_warning_baseline.txt b/docs/sphinx_warning_baseline.txt
new file mode 100644
index 00000000..60d3b2f4
--- /dev/null
+++ b/docs/sphinx_warning_baseline.txt
@@ -0,0 +1 @@
+15