diff --git a/Procfile b/Procfile
deleted file mode 100644
index e43fded..0000000
--- a/Procfile
+++ /dev/null
@@ -1 +0,0 @@
-web: gunicorn csv_metadata_quality_web.main --log-file -
diff --git a/README.md b/README.md
index 16d0cc6..55d4c53 100644
--- a/README.md
+++ b/README.md
@@ -9,8 +9,6 @@
   <img width="600" alt="Screenshot of csv-metadata-quality-web on Heroku" src="screenshot.png">
 </p>
 
-You can try [the hosted version](https://fierce-ocean-30836.herokuapp.com) or host it yourself (see below).
-
 ## Usage
 Create a Python 3.9+ virtual environment and install the dependencies:
 
@@ -24,11 +22,6 @@ Create a Python 3.9+ virtual environment and install the dependencies:
 
 And then visit http://localhost:8000/ in your browser.
 
-## Deploying to Heroku
-Install the heroku command line tools, add a heroku git remote, and push:
-
-    $ git push heroku
-
 ## License
 This work is licensed under the [GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html).
 
diff --git a/runtime.txt b/runtime.txt
deleted file mode 100644
index a5da7cc..0000000
--- a/runtime.txt
+++ /dev/null
@@ -1 +0,0 @@
-python-3.10.5