diff --git a/README.md b/README.md
index 6a5bec6..f091533 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,7 @@
 
 ## Setup
 * clone the project
-* install geoip and postgis from your local package manager
-  * `$ sudo pacman -S postgis geoip`
+* install geoip and postgres from your local package manager
 * setup postgres on your machine, see e.g. https://wiki.archlinux.org/title/PostgreSQL
   * `$ sudo su postgres`
   * `$ initdb -D /var/lib/postgres/data`
@@ -11,14 +10,13 @@
 * create postgres user
   * `$ sudo su postgres`
   * `$ createuser --interactive` -> "owl" role with relevant priviledges
-* create postgres database "matcher" with hstore and postgis extensions
+* create postgres database "matcher"
   * `$ psql -U postgres`
   * `> CREATE DATABASE matcher;`
   * `> ALTER DATABASE matcher OWNER TO owl;`
-  * `> CREATE EXTENSION hstore;`
-  * `> CREATE EXTENSION postgis;`
 * create the db tables
-  * setup database credentials and name in default.py
+  * TODO find out where credentials are stored 
+  * setup credentials in default.py
   * `$ python create_db.py`
 * setup a venv
   * enter the venv, e.g. in pycharm
diff --git a/config/example.py b/config/example.py
index 26b8a0e..28f5052 100644
--- a/config/example.py
+++ b/config/example.py
@@ -1,8 +1,5 @@
 """Sample config."""
 
-# POSTGIS
-DB_USER = "owl"
-DB_NAME = "matcher"
 
 ID_TAGGING_SCHEMA_DIR = "/var/lib/data/id-tagging-schema"
 ID_PRESET_DIR = "/var/lib/data/id-tagging-schema/data/presets/"
diff --git a/create_db.py b/create_db.py
index 761fce7..2c1c6f9 100755
--- a/create_db.py
+++ b/create_db.py
@@ -2,10 +2,9 @@
 
 from sqlalchemy.schema import CreateIndex, CreateTable
 
-from config.default import DB_USER, DB_NAME
 from matcher import database, model
 
-DB_URL = f"postgresql://{DB_USER}@localhost/{DB_NAME}"
+DB_URL = "postgresql:///matcher"
 database.init_db(DB_URL)