diff --git a/INSTALLATION.md b/INSTALLATION.md
index 69756bf2d..484d1c93d 100644
--- a/INSTALLATION.md
+++ b/INSTALLATION.md
@@ -20,46 +20,6 @@ brew tap stackitcloud/tap
 brew install --cask stackit
 ```
 
-#### Formula deprecated
-
-The homebrew formula is deprecated, will no longer be updated and will be removed after 2026-01-22.
-You need to install the STACKIT CLI as cask.  
-Therefor you need to uninstall the formula and reinstall it as cask.  
-
-Your profiles should normally remain. To ensure that nothing will be gone, you should backup them.
-
-1. Export your existing profiles. This will create a json file in your current directory.
-```shell
-stackit config profile export default
-```
-
-2. If you have multiple profiles, then execute the export command for each of them. You can find your profiles via:
-
-```shell
-stackit config profile list
-stackit config profile export <profile-name>
-```
-
-3. Uninstall the formula.
-```shell
-brew uninstall stackit
-```
-
-4. Install the STACKIT CLI as cask.
-```shell
-brew install --cask stackit
-```
-
-5. Check if your configs are still stored.
-```shell
-stackit config profile list
-```
-
-6. In case the profiles are gone, import your profiles via:
-```shell
-$ stackit config profile import -c @default.json --name myProfile
-```
-
 ### Linux
 
 #### Snapcraft