diff --git a/dev-dist/registerSW.js b/dev-dist/registerSW.js
deleted file mode 100644
index 1d5625f45c..0000000000
--- a/dev-dist/registerSW.js
+++ /dev/null
@@ -1 +0,0 @@
-if('serviceWorker' in navigator) navigator.serviceWorker.register('/dev-sw.js?dev-sw', { scope: '/', type: 'classic' })
\ No newline at end of file
diff --git a/src/plugins/Codemirror/.mocharc.json b/src/plugins/Codemirror/.mocharc.json
index 4772bd6a99..fbd14399f9 100644
--- a/src/plugins/Codemirror/.mocharc.json
+++ b/src/plugins/Codemirror/.mocharc.json
@@ -1,6 +1,4 @@
 {
     "extensions": ["ts"],
-    "node-option": [
-      "loader=ts-node/esm"
-    ]
-  }
\ No newline at end of file
+    "node-option": ["loader=ts-node/esm"]
+}
diff --git a/src/plugins/Codemirror/mochaFileTests.ts b/src/plugins/Codemirror/mochaFileTests.ts
index 1c9090c4e9..63ca93d522 100644
--- a/src/plugins/Codemirror/mochaFileTests.ts
+++ b/src/plugins/Codemirror/mochaFileTests.ts
@@ -25,8 +25,8 @@ function getLineNumber(text: string, index: number) {
 }
 
 export function fileTests(file: string, fileName: string, onlyNoError = false, mayIgnore = defaultIgnore) {
-    let caseExpr = /\s*#[ \t]*(.*)(?:\r\n|\r|\n)([^]*?)==+>([^]*?)(?:$|(?:\r\n|\r|\n)+(?=#))/gy
-    let tests: {
+    const caseExpr = /\s*#[ \t]*(.*)(?:\r\n|\r|\n)([^]*?)==+>([^]*?)(?:$|(?:\r\n|\r|\n)+(?=#))/gy
+    const tests: {
         name: string
         text: string
         expected: string
@@ -60,12 +60,12 @@ export function fileTests(file: string, fileName: string, onlyNoError = false, m
         })
     } else {
         for (;;) {
-            let m = caseExpr.exec(file)
+            const m = caseExpr.exec(file)
             if (!m) throw new Error(`Unexpected file format in ${fileName} around\n\n${toLineContext(file, lastIndex)}`)
 
-            let text = m[2]
-            let expected = m[3].trim()
-            let [, name, configStr] = /(.*?)(\{.*?\})?$/.exec(m[1])!
+            const text = m[2]
+            const expected = m[3].trim()
+            const [, name, configStr] = /(.*?)(\{.*?\})?$/.exec(m[1])!
 
             if (expected == 'error') {
                 tests.push({
@@ -85,8 +85,8 @@ export function fileTests(file: string, fileName: string, onlyNoError = false, m
                     },
                 })
             } else {
-                let config = configStr ? JSON.parse(configStr) : null
-                let strict = !/⚠|\.\.\./.test(expected)
+                const config = configStr ? JSON.parse(configStr) : null
+                const strict = !/⚠|\.\.\./.test(expected)
                 tests.push({
                     name,
                     text,
diff --git a/src/plugins/Codemirror/package.json b/src/plugins/Codemirror/package.json
index 714df12c37..94a2534f1d 100644
--- a/src/plugins/Codemirror/package.json
+++ b/src/plugins/Codemirror/package.json
@@ -8,4 +8,4 @@
         "import": "./dist/klipperCfgParser.es.js",
         "require": "./dist/klipperCfgParser.cjs"
     }
-}
\ No newline at end of file
+}