diff --git a/spec/models/articles_courses_spec.rb b/spec/models/articles_courses_spec.rb
index 5f914c4258..02619ecb38 100644
--- a/spec/models/articles_courses_spec.rb
+++ b/spec/models/articles_courses_spec.rb
@@ -228,9 +228,6 @@
       described_class.update_from_course_revisions(course, array_revisions)
       expect(described_class.count).to eq(2)
       expect(described_class.first.first_revision).to eq('2024-07-06 20:05:10')
-      # 62 days from course start up to course end x 2 articles courses
-      expect(described_class.first.article_course_timeslices.count).to eq(62)
-      expect(described_class.second.article_course_timeslices.count).to eq(62)
     end
   end
 end
diff --git a/spec/services/update_course_wiki_timeslices_spec.rb b/spec/services/update_course_wiki_timeslices_spec.rb
index 2513bbfff9..3611da32bd 100644
--- a/spec/services/update_course_wiki_timeslices_spec.rb
+++ b/spec/services/update_course_wiki_timeslices_spec.rb
@@ -51,10 +51,9 @@
       article_course = ArticlesCourses.find_by(article_id: article.id)
 
       # Article course timeslice record was created for mw_page_id 6901525
-      # timeslices from 2018-11-24 to 2018-11-30 were created
-      expect(article_course.article_course_timeslices.count).to eq(7)
+      # timeslices for 2018-11-24 was created
+      expect(article_course.article_course_timeslices.count).to eq(1)
       expect(article_course.article_course_timeslices.first.start).to eq('2018-11-24')
-      expect(article_course.article_course_timeslices.last.start).to eq('2018-11-30')
       # Article course timeslices caches were updated
       expect(article_course.article_course_timeslices.first.character_sum).to eq(427)
       expect(article_course.article_course_timeslices.first.references_count).to eq(-2)