diff --git a/spec/helpers/tags_spec.rb b/spec/helpers/tags_spec.rb
index 28e6609..0231668 100644
--- a/spec/helpers/tags_spec.rb
+++ b/spec/helpers/tags_spec.rb
@@ -52,24 +52,16 @@ describe 'Kaminari::Helpers' do
 
         context "for first page" do
           subject { Tag.new(helper, :param_name => "user[page]").page_url_for(1) }
-          if ActiveSupport::VERSION::STRING < "3.1.0"
-            it { should_not match(/user\[page\]=\d+/) }
-            it { should match(/user\[scope\]=active/) }
-          else
-            it { should_not match(/user%5Bpage%5D=\d+/) } # not match user[page]=\d+
-            it { should match(/user%5Bscope%5D=active/) } #     match user[scope]=active
-          end
+
+          it { should_not match(/user%5Bpage%5D=\d+/) } # not match user[page]=\d+
+          it { should match(/user%5Bscope%5D=active/) } #     match user[scope]=active
         end
 
         context "for other page" do
           subject { Tag.new(helper, :param_name => "user[page]").page_url_for(2) }
-          if ActiveSupport::VERSION::STRING < "3.1.0"
-            it { should match(/user\[page\]=2/) }
-            it { should match(/user\[scope\]=active/) }
-          else
-            it { should match(/user%5Bpage%5D=2/) }       # match user[page]=2
-            it { should match(/user%5Bscope%5D=active/) } # match user[scope]=active
-          end
+
+          it { should match(/user%5Bpage%5D=2/) }       # match user[page]=2
+          it { should match(/user%5Bscope%5D=active/) } # match user[scope]=active
         end
       end