diff --git a/lib/rubygems/specification.rb b/lib/rubygems/specification.rb
index 017bed617f..a0c7faa133 100644
--- a/lib/rubygems/specification.rb
+++ b/lib/rubygems/specification.rb
@@ -2674,19 +2674,12 @@ class Gem::Specification < Gem::BasicSpecification
   rubygems_deprecate :validate_permissions
 
   ##
-  # Set the version to +version+, potentially also setting
-  # required_rubygems_version if +version+ indicates it is a
-  # prerelease.
+  # Set the version to +version+.
 
   def version=(version)
     @version = Gem::Version.create(version)
     return if @version.nil?
 
-    # skip to set required_ruby_version when pre-released rubygems.
-    # It caused to raise CircularDependencyError
-    if @version.prerelease? && (@name.nil? || @name.strip != "rubygems")
-      self.required_rubygems_version = "> 1.3.1"
-    end
     invalidate_memoized_attributes
   end
 
diff --git a/test/rubygems/test_gem_specification.rb b/test/rubygems/test_gem_specification.rb
index 28697529ef..f586da94a6 100644
--- a/test/rubygems/test_gem_specification.rb
+++ b/test/rubygems/test_gem_specification.rb
@@ -2005,12 +2005,6 @@ dependencies: []
     assert_equal Gem::Platform.new("ppc-darwin"), @a1.platform
   end
 
-  def test_prerelease_spec_adds_required_rubygems_version
-    @prerelease = util_spec("tardis", "2.2.0.a")
-    refute @prerelease.required_rubygems_version.satisfied_by?(Gem::Version.new("1.3.1"))
-    assert @prerelease.required_rubygems_version.satisfied_by?(Gem::Version.new("1.4.0"))
-  end
-
   def test_require_paths
     enable_shared "no" do
       ext_spec