diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6b1c461..ebcad3d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,12 +19,12 @@ jobs:
         with:
           submodules: true
       - name: Install Nix
-        uses: cachix/install-nix-action@v26
+        uses: cachix/install-nix-action@V28
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - name: Build
-        run: nix --experimental-features 'nix-command flakes' build -L .
+        run: nix --experimental-features 'nix-command flakes' build -L "git+file://$(pwd)?submodules=1&rev=$(git rev-parse HEAD)"
       - name: Flake check
-        run: nix --experimental-features 'nix-command flakes' flake check .
+        run: nix --experimental-features 'nix-command flakes' flake check "git+file://$(pwd)?submodules=1&rev=$(git rev-parse HEAD)"
       - name: Format
         run: nix --experimental-features 'nix-command flakes' fmt && git diff --exit-code
diff --git a/flake.lock b/flake.lock
index 3e325e0..4079e55 100644
--- a/flake.lock
+++ b/flake.lock
@@ -17,108 +17,7 @@
         "type": "indirect"
       }
     },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "id": "flake-utils",
-        "type": "indirect"
-      }
-    },
-    "flake-utils_3": {
-      "inputs": {
-        "systems": "systems_3"
-      },
-      "locked": {
-        "lastModified": 1709126324,
-        "narHash": "sha256-q6EQdSeUZOG26WelxqkmR7kArjgWCdw5sfJVHPH/7j8=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "d465f4819400de7c8d874d50b982301f28a84605",
-        "type": "github"
-      },
-      "original": {
-        "id": "flake-utils",
-        "type": "indirect"
-      }
-    },
-    "libshv": {
-      "inputs": {
-        "flake-utils": "flake-utils_2",
-        "necrolog": "necrolog",
-        "nixpkgs": "nixpkgs_2"
-      },
-      "locked": {
-        "lastModified": 1724615472,
-        "narHash": "sha256-D68FssvzyHbFUSg/t025MugsiAS6Z1FdfzeL3wktCro=",
-        "owner": "silicon-heaven",
-        "repo": "libshv",
-        "rev": "db8a7ae30ee0e4870b51346cdf6d9583459fdc75",
-        "type": "github"
-      },
-      "original": {
-        "owner": "silicon-heaven",
-        "repo": "libshv",
-        "type": "github"
-      }
-    },
-    "necrolog": {
-      "inputs": {
-        "flake-utils": "flake-utils_3",
-        "nixpkgs": "nixpkgs"
-      },
-      "locked": {
-        "lastModified": 1710239929,
-        "narHash": "sha256-Sy7absZtICGCYJkBV1/4wpI72743WgDHaMLJk7BhmLQ=",
-        "owner": "fvacek",
-        "repo": "necrolog",
-        "rev": "87ed76143e10a5d07d881795eac11a1429a09012",
-        "type": "github"
-      },
-      "original": {
-        "owner": "fvacek",
-        "repo": "necrolog",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
-      "locked": {
-        "lastModified": 1709780214,
-        "narHash": "sha256-p4iDKdveHMhfGAlpxmkCtfQO3WRzmlD11aIcThwPqhk=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "f945939fd679284d736112d3d5410eb867f3b31c",
-        "type": "github"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
-      }
-    },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1710222005,
-        "narHash": "sha256-irXySffHz7b82dZIme6peyAu+8tTJr1zyxcfUPhqUrg=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "9a9a7552431c4f1a3b2eee9398641babf7c30d0e",
-        "type": "github"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
-      }
-    },
-    "nixpkgs_3": {
       "locked": {
         "lastModified": 1724395761,
         "narHash": "sha256-zRkDV/nbrnp3Y8oCADf5ETl1sDrdmAW6/bBVJ8EbIdQ=",
@@ -135,8 +34,7 @@
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "libshv": "libshv",
-        "nixpkgs": "nixpkgs_3"
+        "nixpkgs": "nixpkgs"
       }
     },
     "systems": {
@@ -153,36 +51,6 @@
         "repo": "default",
         "type": "github"
       }
-    },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_3": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 8313397..ea7eaa9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,13 +1,10 @@
 {
   description = "Silicon Heaven Spy";
 
-  inputs.libshv.url = "github:silicon-heaven/libshv";
-
   outputs = {
     self,
     flake-utils,
     nixpkgs,
-    libshv,
   }: let
     inherit (flake-utils.lib) eachDefaultSystem;
     inherit (nixpkgs.lib) hasSuffix composeManyExtensions;
@@ -17,8 +14,6 @@
       stdenv,
       cmake,
       qt6,
-      libshvForClients,
-      necrolog,
       doctest,
       openldap,
       copyDesktopItems,
@@ -28,7 +23,7 @@
         name = "shvspy-${rev}";
         src = builtins.path {
           path = ./.;
-          filter = path: type: ! hasSuffix ".nix" path;
+          filter = path: _: ! hasSuffix ".nix" path;
         };
         buildInputs = [
           qt6.wrapQtAppsHook
@@ -37,8 +32,6 @@
           qt6.qtwebsockets
           qt6.qtsvg
           qt6.qtnetworkauth
-          necrolog
-          libshvForClients
           doctest
           openldap
         ];
@@ -56,8 +49,6 @@
           })
         ];
         cmakeFlags = [
-          "-DSHVSPY_USE_LOCAL_NECROLOG=ON"
-          "-DSHVSPY_USE_LOCAL_LIBSHV=ON"
           "-DUSE_QT6=ON"
         ];
         meta.mainProgram = "shvspy";
@@ -65,11 +56,10 @@
   in
     {
       overlays = {
-        pkgs = final: prev: {
+        pkgs = final: _: {
           shvspy = final.callPackage shvspy {};
         };
         default = composeManyExtensions [
-          libshv.overlays.default
           self.overlays.pkgs
         ];
       };