diff --git a/package-lock.json b/package-lock.json
index bb85c1f458..b88bfa1bd3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13040,7 +13040,6 @@
         "@fluent/langneg": "^0.7.0",
         "@fluent/react": "^0.15.1",
         "@fluent/syntax": "^0.19.0",
-        "@lezer/highlight": "^1.1.6",
         "@messageformat/fluent": "^0.4.1",
         "@reduxjs/toolkit": "^1.6.1",
         "classnames": "^2.3.1",
diff --git a/translate/package.json b/translate/package.json
index 426127c0ad..5e565a8aec 100644
--- a/translate/package.json
+++ b/translate/package.json
@@ -11,7 +11,6 @@
     "@fluent/langneg": "^0.7.0",
     "@fluent/react": "^0.15.1",
     "@fluent/syntax": "^0.19.0",
-    "@lezer/highlight": "^1.1.6",
     "@messageformat/fluent": "^0.4.1",
     "@reduxjs/toolkit": "^1.6.1",
     "classnames": "^2.3.1",
diff --git a/translate/src/modules/translationform/components/EditField.tsx b/translate/src/modules/translationform/components/EditField.tsx
index 77ee844c0b..56a3c3fe66 100644
--- a/translate/src/modules/translationform/components/EditField.tsx
+++ b/translate/src/modules/translationform/components/EditField.tsx
@@ -17,7 +17,6 @@ import { Locale } from '~/context/Locale';
 import { useReadonlyEditor } from '~/hooks/useReadonlyEditor';
 
 import { getExtensions, useKeyHandlers } from '../utils/editFieldExtensions';
-import { EntityView } from '~/context/EntityView';
 
 export type EditFieldProps = {
   index: number;
@@ -39,14 +38,13 @@ export const EditField = memo(
       const { l10n } = useLocalization();
       const locale = useContext(Locale);
       const readOnly = useReadonlyEditor();
-      const { entity } = useContext(EntityView);
       const { setResultFromInput } = useContext(EditorActions);
       const keyHandlers = useKeyHandlers();
       const [view, setView] = useState<EditorView | null>(null);
 
       const initView = useCallback((parent: HTMLDivElement | null) => {
         if (parent) {
-          const extensions = getExtensions(entity.format, keyHandlers);
+          const extensions = getExtensions(keyHandlers);
           if (readOnly) {
             extensions.push(
               EditorState.readOnly.of(true),
diff --git a/translate/src/modules/translationform/utils/editFieldExtensions.ts b/translate/src/modules/translationform/utils/editFieldExtensions.ts
index 6ddb2d07ff..478c9688da 100644
--- a/translate/src/modules/translationform/utils/editFieldExtensions.ts
+++ b/translate/src/modules/translationform/utils/editFieldExtensions.ts
@@ -5,12 +5,7 @@ import {
   insertNewlineAndIndent,
   standardKeymap,
 } from '@codemirror/commands';
-import {
-  HighlightStyle,
-  StreamLanguage,
-  bracketMatching,
-  syntaxHighlighting,
-} from '@codemirror/language';
+import { bracketMatching } from '@codemirror/language';
 import { Extension } from '@codemirror/state';
 import { EditorView, keymap } from '@codemirror/view';
 import { useContext, useEffect, useRef } from 'react';
@@ -22,8 +17,6 @@ import {
   useHandleEnter,
   useHandleEscape,
 } from './editFieldShortcuts';
-import { fluentMode, commonMode } from './editFieldModes';
-import { tags } from '@lezer/highlight';
 
 /**
  * Key handlers depend on application state,
@@ -57,23 +50,13 @@ export function useKeyHandlers() {
   return ref;
 }
 
-const style = HighlightStyle.define([
-  { tag: tags.keyword, color: '#872bff', fontFamily: 'monospace' }, // printf
-  { tag: tags.tagName, color: '#3e9682', fontFamily: 'monospace' }, // <...>
-  { tag: tags.brace, color: '#872bff', fontWeight: 'bold' }, // {...}
-  { tag: tags.name, color: '#872bff' }, // {...}
-]);
-
 export const getExtensions = (
-  format: string,
   ref: ReturnType<typeof useKeyHandlers>,
 ): Extension[] => [
   history(),
   bracketMatching(),
   closeBrackets(),
   EditorView.lineWrapping,
-  StreamLanguage.define<any>(format === 'ftl' ? fluentMode : commonMode),
-  syntaxHighlighting(style),
   keymap.of([
     {
       key: 'Enter',
diff --git a/translate/src/modules/translationform/utils/editFieldModes.ts b/translate/src/modules/translationform/utils/editFieldModes.ts
deleted file mode 100644
index 8c4dffed7e..0000000000
--- a/translate/src/modules/translationform/utils/editFieldModes.ts
+++ /dev/null
@@ -1,64 +0,0 @@
-import { StreamParser } from '@codemirror/language';
-
-export const fluentMode: StreamParser<{ expression: boolean; tag: boolean }> = {
-  name: 'fluent',
-  startState: () => ({ expression: false, tag: false }),
-  token(stream, state) {
-    const ch = stream.next();
-    if (state.expression) {
-      if (ch === '}') {
-        state.expression = false;
-        return 'brace';
-      }
-      stream.skipTo('}');
-      return 'name';
-    } else {
-      if (ch === '{') {
-        state.expression = true;
-        return 'brace';
-      }
-      if (ch === '<') {
-        state.tag = true;
-      }
-      if (state.tag) {
-        if (ch === '>') {
-          state.tag = false;
-        } else {
-          stream.eatWhile(/[^>{]+/);
-        }
-        return 'tagName';
-      }
-      stream.eatWhile(/[^<{]+/);
-      return 'string';
-    }
-  },
-};
-
-const printf =
-  /^%(\d\$|\(.*?\))?[-+ 0'#]*[\d*]*(\.[\d*])?(hh?|ll?|[jLtz])?[%@AacdEeFfGginopSsuXx]/;
-
-const pythonFormat = /^{[\w.[\]]*(![rsa])?(:.*?)?}/;
-
-export const commonMode: StreamParser<{ tag: boolean }> = {
-  name: 'common',
-  startState: () => ({ tag: false }),
-  token(stream, state) {
-    if (stream.match(printf) || stream.match(pythonFormat)) {
-      return 'keyword';
-    }
-    const ch = stream.next();
-    if (ch === '<') {
-      state.tag = true;
-    }
-    if (state.tag) {
-      if (ch === '>') {
-        state.tag = false;
-      } else {
-        stream.eatWhile(/[^>%{]+/);
-      }
-      return 'tagName';
-    }
-    stream.eatWhile(/[^%{<]+/);
-    return 'string';
-  },
-};