diff --git a/.travis.yml b/.travis.yml
index 5e57a6c44..ffb5501df 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,5 @@ matrix:
     - rvm: 3.0
       gemfile: ci-gemfiles/ruby-3.0
       env:
-        - ENABLE_OJ=true
         - RUN_RUBOCOP=true
         - RUN_CODECOV=true
diff --git a/Rakefile b/Rakefile
index 69ab8db06..4904d4e3f 100644
--- a/Rakefile
+++ b/Rakefile
@@ -25,8 +25,9 @@ define_test_task :test_extra_overflow, 'test/**/overflow_test.rb'
 define_test_task :test_extra_trim, 'test/**/trim_test.rb'
 define_test_task :test_extra_elasticsearch, 'test/**/elasticsearch_rails_test.rb', 'test/**/searchkick_test.rb'
 define_test_task :test_support, 'test/**/support_test.rb'
+define_test_task :test_shared,'test/**/oj_shared_test.rb'
 define_test_task :test_shared,'test/**/shared_test.rb'
-define_test_task :test_shared_combo, 'test/**/shared_combo_test.rb'
+define_test_task :test_shared_items_trim, 'test/**/shared_items_trim_test.rb'
 
 # We exclude the files of the other tasks from the :test_main task
 Rake::TestTask.new(:test_main) do |t|
diff --git a/test/pagy/extras/oj_shared_test.rb b/test/pagy/extras/oj_shared_test.rb
new file mode 100644
index 000000000..22ece17cd
--- /dev/null
+++ b/test/pagy/extras/oj_shared_test.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+require 'oj'
+require_relative '../../test_helper'
+require 'pagy/extras/shared'
+
+require_relative 'shared_test'
diff --git a/test/pagy/extras/shared_combo_test.rb b/test/pagy/extras/shared_items_trim_test.rb
similarity index 100%
rename from test/pagy/extras/shared_combo_test.rb
rename to test/pagy/extras/shared_items_trim_test.rb
diff --git a/test/pagy/extras/shared_test.rb b/test/pagy/extras/shared_test.rb
index 08c096080..a878ef86b 100644
--- a/test/pagy/extras/shared_test.rb
+++ b/test/pagy/extras/shared_test.rb
@@ -1,53 +1,47 @@
 # frozen_string_literal: true
 
-if ENV['ENABLE_OJ'] == 'true'
+require_relative '../../test_helper'
+require 'pagy/extras/shared'
 
-  require_relative '../../test_helper'
-  require 'oj' # all the other tests run without Oj
-  require 'pagy/extras/shared'
+describe Pagy::Frontend do
 
-  describe Pagy::Frontend do
+  let(:view) { MockView.new('http://example.com:3000/foo?') }
 
-    let(:view) { MockView.new('http://example.com:3000/foo?') }
-
-    describe '#pagy_json_tag' do
-
-      it 'should use oj' do
-        _(view.pagy_json_tag(Pagy.new(count: 10), :test_function, 'some-id', 'some-string', 123, true)).must_equal \
-          "<script type=\"application/json\" class=\"pagy-json\">[\"test_function\",\"some-id\",\"some-string\",123,true,null]</script>"
-      end
+  describe '#pagy_json_tag' do
 
+    it 'should use oj/json' do
+      _(view.pagy_json_tag(Pagy.new(count: 10), :test_function, 'some-id', 'some-string', 123, true)).must_equal \
+      "<script type=\"application/json\" class=\"pagy-json\">[\"test_function\",\"some-id\",\"some-string\",123,true,null]</script>"
     end
 
+  end
 
-    describe '#pagy_id' do
-
-      it 'should return different SHA1 ids' do
-        id1 = call_pagy_id
-        id2 = call_pagy_id
-        _(id1).must_be_kind_of String
-        _(id2).must_be_kind_of String
-        _(id1).must_be :!=, id2
-      end
+  describe '#pagy_id' do
 
+    it 'should return different SHA1 ids' do
+      id1 = call_pagy_id
+      id2 = call_pagy_id
+      _(id1).must_be_kind_of String
+      _(id2).must_be_kind_of String
+      _(id1).must_be :!=, id2
     end
 
-    describe '#pagy_marked_link' do
+  end
 
-      it 'should return only the "standard" link' do
-        pagy = Pagy.new(count: 100, page: 4)
-        _(view.pagy_marked_link(view.pagy_link_proc(pagy))).must_equal("<a href=\"/foo?page=__pagy_page__\"   style=\"display: none;\"></a>")
-        pagy = Pagy.new(count: 100, page: 4, page_param: 'p')
-        _(view.pagy_marked_link(view.pagy_link_proc(pagy))).must_equal("<a href=\"/foo?p=__pagy_page__\"   style=\"display: none;\"></a>")
-      end
+  describe '#pagy_marked_link' do
 
+    it 'should return only the "standard" link' do
+      pagy = Pagy.new(count: 100, page: 4)
+      _(view.pagy_marked_link(view.pagy_link_proc(pagy))).must_equal("<a href=\"/foo?page=__pagy_page__\"   style=\"display: none;\"></a>")
+      pagy = Pagy.new(count: 100, page: 4, page_param: 'p')
+      _(view.pagy_marked_link(view.pagy_link_proc(pagy))).must_equal("<a href=\"/foo?p=__pagy_page__\"   style=\"display: none;\"></a>")
     end
 
-    # we need an intermediate call to get the right caller
-    def call_pagy_id
-      view.pagy_id
-    end
+  end
 
+  # we need an intermediate call to get the right caller
+  def call_pagy_id
+    view.pagy_id
   end
 
 end