diff --git a/doc/developer/.readthedocs.yaml b/doc/developer/.readthedocs.yaml
index 9acbedb9cdab..113672fadbc3 100644
--- a/doc/developer/.readthedocs.yaml
+++ b/doc/developer/.readthedocs.yaml
@@ -10,7 +10,3 @@ build:
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: doc/developer/conf.py
-
-python:
-  install:
-    - requirements: doc/requirements.txt
diff --git a/doc/requirements.txt b/doc/requirements.txt
deleted file mode 100644
index debc7f188909..000000000000
--- a/doc/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-sphinx==4.0.2
diff --git a/doc/user/.readthedocs.yaml b/doc/user/.readthedocs.yaml
index ed44aef552b1..c5a11dab17ce 100644
--- a/doc/user/.readthedocs.yaml
+++ b/doc/user/.readthedocs.yaml
@@ -10,7 +10,3 @@ build:
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: doc/user/conf.py
-
-python:
-  install:
-    - requirements: doc/requirements.txt