diff --git a/csharp/App/Backend/DataTypes/Methods/Installation.cs b/csharp/App/Backend/DataTypes/Methods/Installation.cs
index efbbf221a..92ca2a4c7 100644
--- a/csharp/App/Backend/DataTypes/Methods/Installation.cs
+++ b/csharp/App/Backend/DataTypes/Methods/Installation.cs
@@ -1,5 +1,3 @@
-using CliWrap;
-using CliWrap.Buffered;
 using InnovEnergy.App.Backend.Database;
 using InnovEnergy.App.Backend.S3;
 using InnovEnergy.Lib.Utils;
@@ -19,7 +17,11 @@ public static class InstallationMethods
     public static async Task<Boolean> RenewS3BucketUrl(this Installation installation)
     {
         installation.RevokeKey();
-        installation.S3KeySecret = await installation.CreateKey();
+        var (key, secret) = await installation.CreateKey();
+
+        installation.S3Key    = key;
+        installation.S3Secret = secret;
+        
         return Db.Update(installation);
     }
     
@@ -124,41 +126,4 @@ public static class InstallationMethods
         return installation;
     }
     
-}
-
-public static class ExoCmd
-{
-    private static readonly Command Exo = Cli.Wrap("exo");
-    private static String ConfigFile = "./exoscale.toml";
-
-    public static async Task<String> CreateKey(this Installation installation)
-    {
-        if (installation.Id != 1) return "help"; //Todo remove me I am for debugging
-        var preParse = await Exo
-            .WithArguments("iam access-key create " + installation.BucketName() 
-                                                    + " --operation get-sos-object"
-                                                    + " --resource  sos/bucket:" + installation.BucketName()
-                                                    + " -C " + ConfigFile
-                                                    + " -O text")
-            .ExecuteBufferedAsync();
-
-        return $"{preParse.StandardOutput.Split("\t")[2]};{preParse.StandardOutput.Split("\t")[3]}";
-    }
-
-    public static async void RevokeKey(this Installation installation)
-    {
-        try
-        {
-            await Exo
-                .WithArguments("iam access-key revoke " + installation.S3KeySecret.Split(";", 2)[0] + " -f " + " -C " + ConfigFile)
-                .ExecuteAsync();
-
-        }
-        catch
-        {
-            // todo Fill me there is no key for this installation
-        }
-    }
-
-}
-
+}
\ No newline at end of file