diff --git a/Gemfile b/Gemfile
index f73aeecb6ba..a1d96e5bd27 100644
--- a/Gemfile
+++ b/Gemfile
@@ -125,7 +125,6 @@ group :test do
   gem "capybara", require: false
   gem "webmock", require: false
   gem "fakeweb", require: false
-  gem "minitest", require: false
   gem "simplecov", require: false
   gem "selenium-webdriver", "~> 4.14", require: false
   gem "selenium-devtools", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 8932f8bc6dc..c73e1f0cbb1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -602,7 +602,6 @@ DEPENDENCIES
   mini_sql
   mini_suffix
   minio_runner
-  minitest
   mocha
   multi_json
   mustache
diff --git a/lib/tasks/emoji.rake b/lib/tasks/emoji.rake
index b1a2868f61c..111c4070b28 100644
--- a/lib/tasks/emoji.rake
+++ b/lib/tasks/emoji.rake
@@ -475,12 +475,27 @@ def confirm_overwrite(path)
   STDIN.gets.chomp
 end
 
-class TestEmojiUpdate < Minitest::Test
+class TestEmojiUpdate
   def self.run_and_summarize
-    puts "Runnings tests..."
-    reporter = Minitest::SummaryReporter.new
-    TestEmojiUpdate.run(reporter)
-    puts reporter
+    puts "Running tests..."
+    instance = TestEmojiUpdate.new
+    instance.public_methods.each do |method|
+      next unless method.to_s.start_with? "test_"
+      print "Running #{method}..."
+      instance.public_send(method)
+      puts " ✅"
+    rescue StandardError => e
+      puts " ❌"
+      puts e.message.indent(2)
+    end
+  end
+
+  def assert_equal(a, b)
+    raise "Expected #{a.inspect} to equal #{b.inspect}" if a != b
+  end
+
+  def assert(a)
+    raise "Expected #{a.inspect} to be truthy" if !a
   end
 
   def image_path(style, name)