diff --git a/flake.lock b/flake.lock
index 2df4a6a..5f5197d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -887,7 +887,6 @@
         "nix-index-database": "nix-index-database",
         "nixos-wsl": "nixos-wsl",
         "nixpkgs": "nixpkgs_2",
-        "signal-desktop": "signal-desktop",
         "spicetify": "spicetify",
         "stylix": "stylix",
         "ucode": "ucode",
@@ -955,26 +954,6 @@
         "type": "github"
       }
     },
-    "signal-desktop": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1742243404,
-        "narHash": "sha256-j3jdXEU+c6xPa4zdzN2PYNsRkdlgldb1q0aBY50+AdM=",
-        "owner": "youwen5",
-        "repo": "signal-desktop-flake",
-        "rev": "226d1cbe55bd07d9f66bf801619a7495189e102d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "youwen5",
-        "repo": "signal-desktop-flake",
-        "type": "github"
-      }
-    },
     "spicetify": {
       "inputs": {
         "nixpkgs": [
diff --git a/flake.nix b/flake.nix
index ad1f026..2cda324 100755
--- a/flake.nix
+++ b/flake.nix
@@ -107,11 +107,6 @@
       url = "github:musnix/musnix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-
-    signal-desktop = {
-      url = "github:youwen5/signal-desktop-flake";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
   };
 
   outputs =
diff --git a/reference/hosts/callisto/configuration.nix b/reference/hosts/callisto/configuration.nix
index bca4793..57a7eba 100755
--- a/reference/hosts/callisto/configuration.nix
+++ b/reference/hosts/callisto/configuration.nix
@@ -47,9 +47,6 @@
       vesktop = inputs.vesktop-bin.packages.${pkgs.system}.default.override {
         electronPageSizeFix = true;
       };
-      signal-desktop = inputs.signal-desktop.packages.${pkgs.system}.default.override {
-        electronPageSizeFix = true;
-      };
     })
   ];