diff --git a/README.rst b/README.rst
index 0da9bdaf2..57b89d02f 100644
--- a/README.rst
+++ b/README.rst
@@ -343,13 +343,13 @@ Assuming you have ``>=python3.7`` installed, navigate to the directory where you
     source .venv/bin/activate &&
     pip install -r requirements-dev.txt &&
     pre-commit install &&
-    python run_tests.py
+    python -m unittest
 
 In case you want to run a single unittest for a newly developed scraper
 
 .. code:: shell
 
-    python -m coverage run -m unittest tests.test_myscraper
+    python -m unittest tests.test_myscraper
 
 FAQ
 ---
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2a0f53c60..31fb6fdd9 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,7 +5,6 @@ flake8>=3.8.3
 flake8-printf-formatting>=1.1.0
 pre-commit>=2.6.0
 responses>=0.21.0
-unittest-parallel>=1.5.0
 mypy>=0.971
 # language-tags>=1.0.0
 # tld>=0.12.3
diff --git a/run_tests.py b/run_tests.py
deleted file mode 100755
index d73f0b310..000000000
--- a/run_tests.py
+++ /dev/null
@@ -1,7 +0,0 @@
-import subprocess
-
-if __name__ == "__main__":
-    run_tests_command = (
-        "unittest-parallel -t . -s tests --coverage --coverage-rcfile .coveragerc"
-    )
-    subprocess.run(run_tests_command.split(" "), check=True, text=True)