diff --git a/README.md b/README.md
index a9e8749..cd603ca 100644
--- a/README.md
+++ b/README.md
@@ -44,26 +44,6 @@ $ source .venv/bin/activate
 $ pip install -r requirements.txt
 ```
 
-### The curious case of GDAL
-
-It's really hard to install GDAL. We need it to generate the tiles for the map.
-Here is one way to do it but you might run into problems and need to research a
-bit.
-
-```bash
-$ sudo apt install -y libgdal-dev
-$ pip install pygdal=="`gdal-config --version`.*"
-$ pip install gdal2tiles
-```
-
-And then it should be possible to run the tile generation.
-
-```bash
-$ gdal2tiles.py -l -p raster -z 0-5 -w none tiles2
-```
-
-You may need to use `python gdal2tiles.py` instead?
-
 ### Run the server
 
 ```bash
@@ -95,14 +75,11 @@ Then it's possible to release the site with the following targets.
 
 ```bash
 $ make doesitsparkjoy # https://doesitsparkjoy.voicegardens.org
-$ make voicegardens   # https://voicegardens.org
 ```
 
 ### Layers of the Onion
 
 * [Flask](http://flask.palletsprojects.com/en/1.1.x/)
-* [Leaflet](https://leafletjs.com)
-* [Mappa.js](https://mappa.js.org)
 * [p5.js](https://p5js.org)
 
 ## License