diff --git a/package-lock.json b/package-lock.json
index eed2d5d..4ead805 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,6 @@
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         "ember-cli-terser": "^4.0.2",
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@@ -51,7 +50,6 @@
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         "webpack": "^5.89.0"
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-      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.5.3.tgz",
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-      "dev": true,
-      "funding": [
-        {
-          "type": "individual",
-          "url": "https://paulmillr.com/funding/"
-        }
-      ],
-      "dependencies": {
-        "anymatch": "~3.1.2",
-        "braces": "~3.0.2",
-        "glob-parent": "~5.1.2",
-        "is-binary-path": "~2.1.0",
-        "is-glob": "~4.0.1",
-        "normalize-path": "~3.0.0",
-        "readdirp": "~3.6.0"
-      },
-      "engines": {
-        "node": ">= 8.10.0"
-      },
-      "optionalDependencies": {
-        "fsevents": "~2.3.2"
-      }
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-    "node_modules/chokidar/node_modules/glob-parent": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
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-      "dev": true,
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       "resolved": "https://registry.npmjs.org/chrome-trace-event/-/chrome-trace-event-1.0.3.tgz",
@@ -12011,94 +11938,6 @@
         "node": "16.* || >= 18"
       }
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-      "version": "11.0.1",
-      "resolved": "https://registry.npmjs.org/ember-cli-sass/-/ember-cli-sass-11.0.1.tgz",
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-      "dev": true,
-      "dependencies": {
-        "broccoli-funnel": "^2.0.1",
-        "broccoli-merge-trees": "^3.0.1",
-        "broccoli-sass-source-maps": "^4.0.0",
-        "ember-cli-version-checker": "^2.1.0"
-      },
-      "engines": {
-        "node": ">= 10.*"
-      }
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-    "node_modules/ember-cli-sass/node_modules/broccoli-funnel": {
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-      "resolved": "https://registry.npmjs.org/broccoli-funnel/-/broccoli-funnel-2.0.2.tgz",
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-        "heimdalljs": "^0.2.0",
-        "minimatch": "^3.0.0",
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-        "path-posix": "^1.0.0",
-        "rimraf": "^2.4.3",
-        "symlink-or-copy": "^1.0.0",
-        "walk-sync": "^0.3.1"
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-      "resolved": "https://registry.npmjs.org/ember-cli-version-checker/-/ember-cli-version-checker-2.2.0.tgz",
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-      "dev": true,
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-    "node_modules/ember-cli-sass/node_modules/mkdirp": {
-      "version": "0.5.6",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
-      "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
-      "dev": true,
-      "dependencies": {
-        "minimist": "^1.2.6"
-      },
-      "bin": {
-        "mkdirp": "bin/cmd.js"
-      }
-    },
-    "node_modules/ember-cli-sass/node_modules/ms": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
-      "dev": true
-    },
-    "node_modules/ember-cli-sass/node_modules/semver": {
-      "version": "5.7.2",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
-      "integrity": "sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g==",
-      "dev": true,
-      "bin": {
-        "semver": "bin/semver"
-      }
-    },
     "node_modules/ember-cli-sri": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ember-cli-sri/-/ember-cli-sri-2.1.1.tgz",
@@ -18480,20 +18319,6 @@
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
       "integrity": "sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw=="
     },
-    "node_modules/fsevents": {
-      "version": "2.3.3",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
-      "integrity": "sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==",
-      "dev": true,
-      "hasInstallScript": true,
-      "optional": true,
-      "os": [
-        "darwin"
-      ],
-      "engines": {
-        "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
-      }
-    },
     "node_modules/function-bind": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
@@ -19430,12 +19255,6 @@
         "node": ">= 4"
       }
     },
-    "node_modules/immutable": {
-      "version": "4.3.4",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.4.tgz",
-      "integrity": "sha512-fsXeu4J4i6WNWSikpI88v/PcVflZz+6kMhUfIwc5SY+poQRPnaf5V7qds6SUyUN3cVxEzuCab7QIoLOQ+DQ1wA==",
-      "dev": true
-    },
     "node_modules/import-fresh": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.3.0.tgz",
@@ -19470,12 +19289,6 @@
         "node": ">=0.8.19"
       }
     },
-    "node_modules/include-path-searcher": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/include-path-searcher/-/include-path-searcher-0.1.0.tgz",
-      "integrity": "sha512-KlpXnsZOrBGo4PPKqPFi3Ft6dcRyh8fTaqgzqDRi8jKAsngJEWWOxeFIWC8EfZtXKaZqlsNf9XRwcQ49DVgl/g==",
-      "dev": true
-    },
     "node_modules/indent-string": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/indent-string/-/indent-string-5.0.0.tgz",
@@ -19736,18 +19549,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/is-binary-path": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
-      "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
-      "dev": true,
-      "dependencies": {
-        "binary-extensions": "^2.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/is-boolean-object": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/is-boolean-object/-/is-boolean-object-1.1.2.tgz",
@@ -23659,18 +23460,6 @@
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       "devOptional": true
     },
-    "node_modules/readdirp": {
-      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
-      "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
-      "dev": true,
-      "dependencies": {
-        "picomatch": "^2.2.1"
-      },
-      "engines": {
-        "node": ">=8.10.0"
-      }
-    },
     "node_modules/recast": {
       "version": "0.18.10",
       "resolved": "https://registry.npmjs.org/recast/-/recast-0.18.10.tgz",
@@ -25217,23 +25006,6 @@
         "node": ">=8.12.0"
       }
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-    "node_modules/sass": {
-      "version": "1.69.5",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.69.5.tgz",
-      "integrity": "sha512-qg2+UCJibLr2LCVOt3OlPhr/dqVHWOa9XtZf2OjbLs/T4VPSJ00udtgJxH3neXZm+QqX8B+3cU7RaLqp1iVfcQ==",
-      "dev": true,
-      "dependencies": {
-        "chokidar": ">=3.0.0 <4.0.0",
-        "immutable": "^4.0.0",
-        "source-map-js": ">=0.6.2 <2.0.0"
-      },
-      "bin": {
-        "sass": "sass.js"
-      },
-      "engines": {
-        "node": ">=14.0.0"
-      }
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     "node_modules/schema-utils": {
       "version": "2.7.1",
       "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-2.7.1.tgz",
diff --git a/package.json b/package.json
index 5246e9c..edb680b 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "scripts": {
     "build": "ember build --environment=production",
     "lint": "concurrently \"npm:lint:*(!fix)\" --names \"lint:\"",
-    "lint:css": "stylelint '**/*.{css,scss}'",
+    "lint:css": "stylelint '**/*.css'",
     "lint:css:fix": "concurrently \"npm:lint:css -- --fix\"",
     "lint:fix": "npm run lint:css:fix; npm run lint:hbs:fix; npm run lint:js:fix; npm run lint:intl:fix; npm run lint:prettier:fix",
     "lint:hbs": "ember-template-lint .",
@@ -64,7 +64,6 @@
     "ember-cli-dependency-checker": "^3.3.2",
     "ember-cli-github-pages": "^0.2.2",
     "ember-cli-inject-live-reload": "^2.1.0",
-    "ember-cli-sass": "^11.0.1",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
     "ember-load-initializers": "^2.1.2",
@@ -83,7 +82,6 @@
     "qunit": "^2.20.0",
     "qunit-dom": "^3.0.0",
     "release-it": "^17.0.1",
-    "sass": "^1.63.6",
     "stylelint": "^15.0.3",
     "webpack": "^5.89.0"
   },
diff --git a/tests/dummy/app/styles/app.scss b/tests/dummy/app/styles/app.css
similarity index 100%
rename from tests/dummy/app/styles/app.scss
rename to tests/dummy/app/styles/app.css