diff --git a/docs/requirements.txt b/docs/requirements.txt
index a1276a65d..671dc4b3f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,6 +1,4 @@
 breathe==4.26.1
-commonmark==0.9.1
-recommonmark==0.7.1
 sphinx==3.3.1
 sphinx_rtd_theme==0.5.0
 sphinxcontrib-moderncmakedomain==3.17