diff --git a/test/rubygems/helper.rb b/test/rubygems/helper.rb
index 40ed62fc77..b0ad5aafcd 100644
--- a/test/rubygems/helper.rb
+++ b/test/rubygems/helper.rb
@@ -1300,6 +1300,13 @@ Also, a list:
     Gem.instance_variable_set :@ruby, orig_ruby
   end
 
+  def silence_warnings
+    old_verbose, $VERBOSE = $VERBOSE, false
+    yield
+  ensure
+    $VERBOSE = old_verbose
+  end
+
   class << self
     # :nodoc:
     ##
diff --git a/test/rubygems/test_gem_specification.rb b/test/rubygems/test_gem_specification.rb
index 375bacf9bd..3062b66bc6 100644
--- a/test/rubygems/test_gem_specification.rb
+++ b/test/rubygems/test_gem_specification.rb
@@ -3745,11 +3745,4 @@ end
       end
     end
   end
-
-  def silence_warnings
-    old_verbose, $VERBOSE = $VERBOSE, false
-    yield
-  ensure
-    $VERBOSE = old_verbose
-  end
 end
diff --git a/test/rubygems/test_require.rb b/test/rubygems/test_require.rb
index 56774116a9..80c95b26a3 100644
--- a/test/rubygems/test_require.rb
+++ b/test/rubygems/test_require.rb
@@ -700,13 +700,6 @@ class TestGemRequire < Gem::TestCase
     !ENV["GEM_COMMAND"].nil?
   end
 
-  def silence_warnings
-    old_verbose, $VERBOSE = $VERBOSE, false
-    yield
-  ensure
-    $VERBOSE = old_verbose
-  end
-
   def util_install_extension_file(name)
     spec = quick_gem name
     util_build_gem spec