diff --git a/src/app/editor.ts b/src/app/editor.ts
index 5762659..45a8512 100644
--- a/src/app/editor.ts
+++ b/src/app/editor.ts
@@ -38,13 +38,6 @@ const fixedHeightEditor = EditorView.theme({
     ".cm-scroller": { overflow: "auto scroll" },
 });
 
-const testTheme = EditorView.theme({
-    "&": {
-        width: "600px",
-        resize: "horizontal",
-    },
-});
-
 export class Editor {
     view: EditorView;
     file: OpenFile;
@@ -97,14 +90,11 @@ export class Editor {
                 // lintKeymap,
             ],
         });
-        const language = LanguageDescription.matchFilename(
-            languages,
-            file.filePath.val,
-        )
+        LanguageDescription.matchFilename(languages, file.filePath.val)
             ?.load()
             .then((Lang) => {
-                let eff = StateEffect.appendConfig.of(Lang);
-                let tr = this.view.dispatch({ effects: [eff] });
+                const eff = StateEffect.appendConfig.of(Lang);
+                this.view.dispatch({ effects: [eff] });
             });
     }
 
diff --git a/src/app/filestate.ts b/src/app/filestate.ts
index 1c726e8..5b91fda 100644
--- a/src/app/filestate.ts
+++ b/src/app/filestate.ts
@@ -8,8 +8,7 @@ import {
 } from "@codemirror/state";
 import { history } from "@codemirror/commands";
 import { Editor } from "./editor";
-import { State } from "vanjs-core";
-import van from "vanjs-core";
+import van, { State } from "vanjs-core";
 
 const openFiles: { [path: string]: OpenFile } = {};
 
@@ -75,16 +74,16 @@ export class OpenFile {
     }
 
     dispatch(trs: TransactionSpec, origin?: Editor) {
-        let transaction = this.rootState.val.update(trs);
+        const transaction = this.rootState.val.update(trs);
         this.rootState.val = transaction.state;
         if (origin) {
             const es = this.editors.filter((e) => e !== origin);
             es.forEach((e) => e.dispatch(e.view.state.update(trs), true));
         } else {
             this.editors.forEach((e) => {
-                let changes = transaction.changes;
-                let userEvent = transaction.annotation(Transaction.userEvent);
-                let annotations = userEvent
+                const changes = transaction.changes;
+                const userEvent = transaction.annotation(Transaction.userEvent);
+                const annotations = userEvent
                     ? [Transaction.userEvent.of(userEvent)]
                     : [];
                 e.dispatch(e.view.state.update({ changes, annotations }), true);