diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f7effac10..02475780b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -42,8 +42,7 @@ node modules:
         - .npm
         - node_modules
   script:
-    - "nix-shell --version"
-    - "nix-shell --command 'make node_modules'"
+    - "nix develop --command 'make node_modules'"
   before_script: &nix-before
     - git config --global init.defaultBranch master
     - install -v -m 0700 -d ~/.ssh
@@ -64,7 +63,7 @@ node modules:
 frontend lint:
   stage: lint
   script:
-    - "nix-shell --comand 'make frontend-lint'"
+    - "nix develop --comand 'make frontend-lint'"
   before_script: *nix-before
   needs:
     - job: node modules
@@ -80,7 +79,7 @@ frontend build:
       paths:
         - .well-known-cache
   script:
-    - "nix-shell --command 'make frontend-build'"
+    - "nix develop --command 'make frontend-build'"
   before_script: *nix-before
   needs:
     - job: node modules
diff --git a/flake.nix b/flake.nix
index 226fb3504..40a088c4c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -136,9 +136,6 @@
         devShell = import ./shell.nix { pkgs = self.legacyPackages.${system}; nixpkgsPath = nixpkgs; };
 
         legacyPackages = pkgs.lib.foldr (overlay: acc: acc // recursiveUpdate (overlay self.legacyPackages.${system} pkgs) pkgs) {} overlays;
-
-        defaultPackage = self.packages.${system}."uniworx:exe:uniworx";
-        defaultApp = self.apps.${system}."uniworx:exe:uniworx";
       }
     );
 }
diff --git a/shell.nix b/shell.nix
index 9dfa3e3f9..3598f9094 100644
--- a/shell.nix
+++ b/shell.nix
@@ -275,7 +275,7 @@ in pkgs.mkShell {
   '';
   nativeBuildInputs = [develop inDevelop killallUni2work diffRunning]
   ++ (with pkgs;
-    [ (builtins.trace (lib.version) stack) (builtins.trace (lib.version) nodejs_21) postgresql_12 openldap exiftool expat memcached minio minio-client
+    [ stack nodejs_21 postgresql_12 openldap exiftool expat memcached minio minio-client
       gnumake gup reuse pre-commit
       # busybox # for print services, but interferes with build commands in develop-shell
       htop