diff --git a/.gitignore b/.gitignore
index b41f7486cc..e86f39e9ad 100644
--- a/.gitignore
+++ b/.gitignore
@@ -133,8 +133,6 @@
 **/vendor/bundle/ruby/*/gems/syntax_tree-*/
 **/vendor/bundle/ruby/*/gems/tapioca-*/
 **/vendor/bundle/ruby/*/gems/thor-*/
-**/vendor/bundle/ruby/*/gems/unf-*/
-**/vendor/bundle/ruby/*/gems/unf_ext-*/
 **/vendor/bundle/ruby/*/gems/unicode-display_width-*/
 **/vendor/bundle/ruby/*/gems/unparser-*/
 **/vendor/bundle/ruby/*/gems/uri_template-*/
diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 9aea2ac2e2..07b7e3765f 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -121,8 +121,7 @@ GEM
       simplecov (~> 0.19)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
-    simpleidn (0.2.2)
-      unf (~> 0.1.4)
+    simpleidn (0.2.3)
     sorbet (0.5.11386)
       sorbet-static (= 0.5.11386)
     sorbet-runtime (0.5.11386)
diff --git a/Library/Homebrew/sorbet/tapioca/config.yml b/Library/Homebrew/sorbet/tapioca/config.yml
index 027f3e0ce2..1f951da848 100644
--- a/Library/Homebrew/sorbet/tapioca/config.yml
+++ b/Library/Homebrew/sorbet/tapioca/config.yml
@@ -33,8 +33,6 @@ gem:
     - ruby-prof
     - simplecov_json_formatter
     - simpleidn
-    - unf
-    - unf_ext
     - unicode-display_width
     - yard-sorbet
   prerequire: sorbet/tapioca/prerequire.rb