diff --git a/public/language/en-GB/admin/manage/categories.json b/public/language/en-GB/admin/manage/categories.json
index 38037f7206..cdb3e1f356 100644
--- a/public/language/en-GB/admin/manage/categories.json
+++ b/public/language/en-GB/admin/manage/categories.json
@@ -15,9 +15,6 @@
 	"handle": "Category Handle",
 	"handle.help": "Your category handle is used as a representation of this category across other networks, similar to a username. A category handle must not match an existing username or user group.",
 	"description": "Category Description",
-	"federatedDescription": "Federated Description",
-	"federatedDescription.help": "This text will be appended to the category description when queried by other websites/apps.",
-	"federatedDescription.default": "This is a forum category containing topical discussion. You can start new discussions by mentioning this category.",
 	"topic-template": "Topic Template",
 	"topic-template.help": "Define a template for new topics created in this category.",
 	"bg-color": "Background Colour",
diff --git a/src/activitypub/mocks.js b/src/activitypub/mocks.js
index d83df6e1e1..3fe103f3b1 100644
--- a/src/activitypub/mocks.js
+++ b/src/activitypub/mocks.js
@@ -521,11 +521,11 @@ Mocks.actors.user = async (uid) => {
 };
 
 Mocks.actors.category = async (cid) => {
-	let {
+	const {
 		name, handle: preferredUsername, slug,
-		descriptionParsed: summary, federatedDescription, backgroundImage,
+		descriptionParsed: summary, backgroundImage,
 	} = await categories.getCategoryFields(cid,
-		['name', 'handle', 'slug', 'description', 'descriptionParsed', 'federatedDescription', 'backgroundImage']);
+		['name', 'handle', 'slug', 'description', 'descriptionParsed', 'backgroundImage']);
 	const publicKey = await activitypub.getPublicKey('cid', cid);
 
 	let icon;
@@ -546,10 +546,6 @@ Mocks.actors.category = async (cid) => {
 		};
 	}
 
-	// Append federated desc.
-	const fallback = await translator.translate('[[admin/manage/categories:federatedDescription.default]]');
-	summary += `<hr /><p dir="auto">${federatedDescription || fallback}</p>\n`;
-
 	return {
 		'@context': [
 			'https://www.w3.org/ns/activitystreams',
diff --git a/src/categories/data.js b/src/categories/data.js
index dc4467ffa3..bf2ddac25f 100644
--- a/src/categories/data.js
+++ b/src/categories/data.js
@@ -117,7 +117,7 @@ function modifyCategory(category, fields) {
 
 	db.parseIntFields(category, intFields, fields);
 
-	const escapeFields = ['name', 'nickname', 'description', 'federatedDescription', 'color', 'bgColor', 'backgroundImage', 'imageClass', 'class', 'link'];
+	const escapeFields = ['name', 'nickname', 'description', 'color', 'bgColor', 'backgroundImage', 'imageClass', 'class', 'link'];
 	escapeFields.forEach((field) => {
 		if (category.hasOwnProperty(field)) {
 			category[field] = validator.escape(String(category[field] || ''));
diff --git a/src/views/admin/manage/category.tpl b/src/views/admin/manage/category.tpl
index b935638ac4..19b0efa116 100644
--- a/src/views/admin/manage/category.tpl
+++ b/src/views/admin/manage/category.tpl
@@ -36,16 +36,6 @@
 					<textarea id="cid-{category.cid}-description" data-name="description" class="form-control category_description description" rows="4" />{category.description}</textarea>
 				</div>
 
-				<div class="mb-3">
-					<label class="form-label" for="cid-{category.cid}-federatedDescription">
-						[[admin/manage/categories:federatedDescription]]
-					</label>
-					<textarea id="cid-{category.cid}-federatedDescription" data-name="federatedDescription" class="form-control" rows="2" placeholder="[[admin/manage/categories:federatedDescription.default]]" />{category.federatedDescription}</textarea>
-					<p class="form-text">
-						[[admin/manage/categories:federatedDescription.help]]
-					</p>
-				</div>
-
 				<div class="mb-3">
 					<label class="form-label" for="cid-{category.cid}-topic-template">
 						[[admin/manage/categories:topic-template]]