diff --git a/.gitignore b/.gitignore
index 6bc7078..1ce99de 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
 /target
 .direnv
-dist
-result
\ No newline at end of file
+dist
\ No newline at end of file
diff --git a/flake.lock b/flake.lock
index 44dc869..d0e21c2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,66 +1,9 @@
 {
   "nodes": {
-    "crane": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "rust-overlay": "rust-overlay"
-      },
-      "locked": {
-        "lastModified": 1692750383,
-        "narHash": "sha256-n5P5HOXuu23UB1h9PuayldnRRVQuXJLpoO+xqtMO3ws=",
-        "owner": "ipetkov",
-        "repo": "crane",
-        "rev": "ef5d11e3c2e5b3924eb0309dba2e1fea2d9062ae",
-        "type": "github"
-      },
-      "original": {
-        "owner": "ipetkov",
-        "repo": "crane",
-        "type": "github"
-      }
-    },
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1673956053,
-        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
     "flake-utils": {
       "inputs": {
         "systems": "systems"
       },
-      "locked": {
-        "lastModified": 1689068808,
-        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
       "locked": {
         "lastModified": 1681202837,
         "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
@@ -109,39 +52,13 @@
     },
     "root": {
       "inputs": {
-        "crane": "crane",
         "nixpkgs": "nixpkgs",
-        "rust-overlay": "rust-overlay_2"
+        "rust-overlay": "rust-overlay"
       }
     },
     "rust-overlay": {
       "inputs": {
-        "flake-utils": [
-          "crane",
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "crane",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1691374719,
-        "narHash": "sha256-HCodqnx1Mi2vN4f3hjRPc7+lSQy18vRn8xWW68GeQOg=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "b520a3889b24aaf909e287d19d406862ced9ffc9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "type": "github"
-      }
-    },
-    "rust-overlay_2": {
-      "inputs": {
-        "flake-utils": "flake-utils_2",
+        "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
@@ -172,21 +89,6 @@
         "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"
-      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index dd97bc6..522ffd7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,13 +17,9 @@ Updating `cargoHash`:
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     rust-overlay.url = "github:oxalica/rust-overlay";
-    crane = {
-      url = "github:ipetkov/crane";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
   };
 
-  outputs = { self, nixpkgs, rust-overlay, crane }:
+  outputs = { self, nixpkgs, rust-overlay }:
     let
       overlays = [ (import rust-overlay) ];
       system = "x86_64-linux";
@@ -74,29 +70,16 @@ Updating `cargoHash`:
             description = "A tool for generating dye sublimation transfer sheet SVGs for Japanese thumb shift 拇指シフト keycaps.";
           };
         });
-        dyesub-tool = let
-          rustToolchain = pkgs.rust-bin.nightly.latest.minimal.override {
-            targets = [ "wasm32-unknown-unknown" ];
-          };
-          craneLib = ((crane.mkLib pkgs).overrideToolchain rustToolchain).overrideScope' (final: prev: {
-            wasm-bindgen-cli = pkgs.wasm-bindgen-cli;
-          });
-          crateNameFromCargoToml = packageName: craneLib.crateNameFromCargoToml { cargoToml = ./${packageName}/Cargo.toml; };
-        in craneLib.buildTrunkPackage {
-          inherit (crateNameFromCargoToml "dyesub-tool") pname version;
-          src = with pkgs.lib; cleanSourceWith {
-            src = ./.;
-            filter = path: type:
-              (hasSuffix "\.html" path) ||
-              (hasSuffix "\.css" path) ||
-              (craneLib.filterCargoSources path type)
-            ;
-          };
-          trunkIndexPath = "dyesub-tool/index.html";
+        dyesub-tool = rustPlatformWasm.buildRustPackage (rustSettings // {
+          pname = "dyesub-tool";
+          version = "0.1.0";
+          buildAndTestSubdir = "dyesub-tool";
+          buildInputs = with pkgs; [ trunk ];
+          cargoHash = "sha256-KSBTEBHuWaenIVaKUMDRFToYxcTA/TFwsIG10WNP47g=";
           meta = meta // {
             description = "A tool for generating dye sublimation transfer sheet SVGs for Japanese thumb shift 拇指シフト keycaps.";
           };
-        };
+        });
       };
     };
 }