diff --git a/app/soapbox/features/edit_profile/index.tsx b/app/soapbox/features/edit_profile/index.tsx
index c1bde6d1b..61b43dc06 100644
--- a/app/soapbox/features/edit_profile/index.tsx
+++ b/app/soapbox/features/edit_profile/index.tsx
@@ -435,16 +435,18 @@ const EditProfile: React.FC = () => {
           )}
         </div>
 
-        <Streamfield
-          labelText={<FormattedMessage id='edit_profile.fields.meta_fields_label' defaultMessage='Profile fields' />}
-          hintText={<FormattedMessage id='edit_profile.hints.meta_fields' defaultMessage='You can have up to {count, plural, one {# custom field} other {# custom fields}} displayed on your profile.' values={{ count: maxFields }} />}
-          values={data.fields_attributes || []}
-          onChange={handleFieldsChange}
-          onAddItem={handleAddField}
-          onRemoveItem={handleRemoveField}
-          component={ProfileField}
-          maxItems={maxFields}
-        />
+        {features.profileFields && (
+          <Streamfield
+            labelText={<FormattedMessage id='edit_profile.fields.meta_fields_label' defaultMessage='Profile fields' />}
+            hintText={<FormattedMessage id='edit_profile.hints.meta_fields' defaultMessage='You can have up to {count, plural, one {# custom field} other {# custom fields}} displayed on your profile.' values={{ count: maxFields }} />}
+            values={data.fields_attributes || []}
+            onChange={handleFieldsChange}
+            onAddItem={handleAddField}
+            onRemoveItem={handleRemoveField}
+            component={ProfileField}
+            maxItems={maxFields}
+          />
+        )}
 
         <FormActions>
           <Button to='/settings' theme='ghost'>
diff --git a/app/soapbox/utils/features.ts b/app/soapbox/utils/features.ts
index d255985a8..d04e10ce4 100644
--- a/app/soapbox/utils/features.ts
+++ b/app/soapbox/utils/features.ts
@@ -370,6 +370,15 @@ const getInstanceFeatures = (instance: Instance) => {
       features.includes('profile_directory'),
     ]),
 
+    /**
+     * Ability to set custom profile fields.
+     * @see PATCH /api/v1/accounts/update_credentials
+     */
+    profileFields: any([
+      v.software === MASTODON,
+      v.software === PLEROMA,
+    ]),
+
     /**
      * Can display a timeline of all known public statuses.
      * Local and Fediverse timelines both use this feature.