diff --git a/docs/requirements-docs.txt b/docs/requirements-docs.txt
index 1ed622b..ac3e6c1 100644
--- a/docs/requirements-docs.txt
+++ b/docs/requirements-docs.txt
@@ -2,10 +2,8 @@ elasticsearch>=7.7
 pandas>=1.2.0
 matplotlib
 nbval
-numpydoc>=0.9.0
 scikit-learn>=0.22.1
 xgboost>=1
 lightgbm
 nbsphinx
-numpydoc>=0.9.0
 git+https://github.com/pandas-dev/pydata-sphinx-theme.git
diff --git a/docs/sphinx/conf.py b/docs/sphinx/conf.py
index 2ad5011..acaae05 100644
--- a/docs/sphinx/conf.py
+++ b/docs/sphinx/conf.py
@@ -60,7 +60,6 @@ extensions = [
     "sphinx.ext.autodoc",
     "sphinx.ext.doctest",
     "sphinx.ext.extlinks",
-    "numpydoc",
     "matplotlib.sphinxext.plot_directive",
     "sphinx.ext.todo",
     "nbsphinx",