diff --git a/README.md b/README.md
index a21cc7b08..4b884d4d6 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,6 @@ dependencies (MIT License, Apache License, PSF License)
 
 Development/testing/documentation/example dependencies (see `requirements.txt`):
 * `jsonschema` and its dependencies (MIT License, Apache License, PSF License)
-* `psutil` (BSD 3-clause License)
 * `Sphinx` and its dependencies (multiple licenses)
 * `sphinx-rtd-theme` and its dependencies
 * `sphinx-argparse` (MIT License)
diff --git a/requirements.txt b/requirements.txt
index 311a756ae..2c2eacf80 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,6 @@ lxml>=4.2,<5
 python-dateutil>=2.8,<3.0
 types-python-dateutil
 pyecma376-2>=0.2.4
-psutil>=5.4.8
 urllib3>=1.26,<2.0
 Sphinx~=3.5.3
 sphinx-rtd-theme~=0.5.1