diff --git a/lib/bundled_gems.rb b/lib/bundled_gems.rb
index 932949576b..a42b12ac23 100644
--- a/lib/bundled_gems.rb
+++ b/lib/bundled_gems.rb
@@ -34,6 +34,8 @@ module Gem::BUNDLED_GEMS
     "logger" => "3.5.0",
   }.freeze
 
+  SINCE_FAST_PATH = SINCE.transform_keys { |g| g.sub(/\A.*\-/, "") }.freeze
+
   EXACT = {
     "kconv" => "nkf",
   }.freeze
@@ -92,6 +94,13 @@ module Gem::BUNDLED_GEMS
   def self.warning?(name, specs: nil)
     # name can be a feature name or a file path with String or Pathname
     feature = File.path(name)
+
+    if feature.include?("/")
+      return unless SINCE_FAST_PATH[File.basename(feature, ".*")]
+    else
+      return unless SINCE_FAST_PATH[feature]
+    end
+
     # bootsnap expands `require "csv"` to `require "#{LIBDIR}/csv.rb"`,
     # and `require "syslog"` to `require "#{ARCHDIR}/syslog.so"`.
     name = feature.delete_prefix(ARCHDIR)
diff --git a/test/test_bundled_gems.rb b/test/test_bundled_gems.rb
new file mode 100644
index 0000000000..36f7324336
--- /dev/null
+++ b/test/test_bundled_gems.rb
@@ -0,0 +1,35 @@
+require_relative "rubygems/helper"
+require "rubygems"
+require "bundled_gems"
+
+class TestBundlerGem < Gem::TestCase
+  def setup
+    Gem::BUNDLED_GEMS::WARNED.clear
+  end
+
+  def teardown
+    Gem::BUNDLED_GEMS::WARNED.clear
+  end
+
+  def test_warning
+    assert Gem::BUNDLED_GEMS.warning?("rss", specs: {})
+    assert_nil Gem::BUNDLED_GEMS.warning?("rss", specs: {})
+  end
+
+  def test_no_warning_warning
+    assert_nil Gem::BUNDLED_GEMS.warning?("some_gem", specs: {})
+    assert_nil Gem::BUNDLED_GEMS.warning?("/path/to/some_gem.rb", specs: {})
+  end
+
+  def test_warning_libdir
+    path = File.join(::RbConfig::CONFIG.fetch("rubylibdir"), "rss.rb")
+    assert Gem::BUNDLED_GEMS.warning?(path, specs: {})
+    assert_nil Gem::BUNDLED_GEMS.warning?(path, specs: {})
+  end
+
+  def test_warning_archdir
+    path = File.join(::RbConfig::CONFIG.fetch("rubyarchdir"), "syslog.so")
+    assert Gem::BUNDLED_GEMS.warning?(path, specs: {})
+    assert_nil Gem::BUNDLED_GEMS.warning?(path, specs: {})
+  end
+end