diff --git a/services/web/config/settings.defaults.js b/services/web/config/settings.defaults.js
index ffd23cea7a..e30bebfd89 100644
--- a/services/web/config/settings.defaults.js
+++ b/services/web/config/settings.defaults.js
@@ -91,10 +91,6 @@ const defaultTextExtensions = [
   'lhs',
   'mk',
   'xmpdata',
-  'cfg',
-  'rnw',
-  'ltx',
-  'inc',
 ]
 
 const parseTextExtensions = function (extensions) {
diff --git a/services/web/frontend/stories/decorators/scope.tsx b/services/web/frontend/stories/decorators/scope.tsx
index 33bcadda35..a9439d1b98 100644
--- a/services/web/frontend/stories/decorators/scope.tsx
+++ b/services/web/frontend/stories/decorators/scope.tsx
@@ -186,10 +186,6 @@ const initialize = () => {
       'lhs',
       'mk',
       'xmpdata',
-      'cfg',
-      'rnw',
-      'ltx',
-      'inc',
     ],
     editableFilenames: ['latexmkrc', '.latexmkrc', 'makefile', 'gnumakefile'],
     validRootDocExtensions: ['tex', 'Rtex', 'ltx', 'Rnw'],
diff --git a/services/web/test/frontend/bootstrap.js b/services/web/test/frontend/bootstrap.js
index e3998e68d1..be859893cb 100644
--- a/services/web/test/frontend/bootstrap.js
+++ b/services/web/test/frontend/bootstrap.js
@@ -64,10 +64,6 @@ window.ExposedSettings = {
     'lhs',
     'mk',
     'xmpdata',
-    'cfg',
-    'rnw',
-    'ltx',
-    'inc',
   ],
   editableFilenames: ['latexmkrc', '.latexmkrc', 'makefile', 'gnumakefile'],
 }
diff --git a/services/web/test/unit/src/Uploads/FileTypeManagerTests.js b/services/web/test/unit/src/Uploads/FileTypeManagerTests.js
index bbb1a2c56b..fa8a087da1 100644
--- a/services/web/test/unit/src/Uploads/FileTypeManagerTests.js
+++ b/services/web/test/unit/src/Uploads/FileTypeManagerTests.js
@@ -92,10 +92,6 @@ describe('FileTypeManager', function () {
         '/file.TEX',
         '/file.lhs',
         '/file.xmpdata',
-        '/file.cfg',
-        '/file.rnw',
-        '/file.ltx',
-        '/file.inc',
         '/makefile',
         '/Makefile',
         '/GNUMakefile',