diff --git a/doc-source/requirements.txt b/doc-source/requirements.txt
index 594d226..26ef3be 100644
--- a/doc-source/requirements.txt
+++ b/doc-source/requirements.txt
@@ -9,9 +9,7 @@ sphinx-debuginfo>=0.2.2
 sphinx-favicon>=0.2
 sphinx-licenseinfo>=0.3.1
 sphinx-notfound-page>=0.7.1
-sphinx-prompt>=1.1.0
 sphinx-pyproject>=0.1.0
-sphinx-tabs>=1.1.13
 sphinx-toolbox>=3.5.0
 sphinxcontrib-applehelp==1.0.4
 sphinxcontrib-devhelp==1.0.2