diff --git a/lib/tests/behat/alpha_chooser.feature b/lib/tests/behat/alpha_chooser.feature
index 5767dd10bc7..31a36180add 100644
--- a/lib/tests/behat/alpha_chooser.feature
+++ b/lib/tests/behat/alpha_chooser.feature
@@ -198,7 +198,6 @@ Feature: Initials bar
     And I log in as "teacher"
     And I am on "Course 1" course homepage
     And I follow "Participants"
-    And I select "Brief" from the "mode" singleselect
     And ".initialbarall.letter.active" "css_element" should exist in the ".initialbar.firstinitial" "css_element"
     And ".initialbarall.letter.active" "css_element" should exist in the ".initialbar.lastinitial" "css_element"
     And ".letter.active.B" "css_element" should not exist in the ".initialbar.firstinitial" "css_element"
@@ -224,66 +223,6 @@ Feature: Initials bar
     And I should not see "Cstudent Cstudent"
     And I am on "Course 1" course homepage
     And I follow "Participants"
-    And I select "Brief" from the "mode" singleselect
-    And ".initialbarall.letter.active" "css_element" should not exist in the ".initialbar.firstinitial" "css_element"
-    And ".initialbarall.letter.active" "css_element" should not exist in the ".initialbar.lastinitial" "css_element"
-    And ".letter.active.B" "css_element" should exist in the ".initialbar.firstinitial" "css_element"
-    And ".letter.active.A" "css_element" should exist in the ".initialbar.lastinitial" "css_element"
-    And I should not see "Astudent Astudent"
-    And I should see "Bstudent Astudent"
-    And I should not see "Cstudent Cstudent"
-    And I click on "All" "link" in the ".initialbar.firstinitial" "css_element"
-    And ".initialbarall.letter.active" "css_element" should exist in the ".initialbar.firstinitial" "css_element"
-    And ".initialbarall.letter.active" "css_element" should not exist in the ".initialbar.lastinitial" "css_element"
-    And ".letter.active.B" "css_element" should not exist in the ".initialbar.firstinitial" "css_element"
-    And ".letter.active.A" "css_element" should exist in the ".initialbar.lastinitial" "css_element"
-    And I should see "Astudent Astudent"
-    And I should see "Bstudent Astudent"
-    And I should not see "Cstudent Cstudent"
-    And I click on "All" "link" in the ".initialbar.lastinitial" "css_element"
-    And ".initialbarall.letter.active" "css_element" should exist in the ".initialbar.firstinitial" "css_element"
-    And ".initialbarall.letter.active" "css_element" should exist in the ".initialbar.lastinitial" "css_element"
-    And ".letter.active.B" "css_element" should not exist in the ".initialbar.firstinitial" "css_element"
-    And ".letter.active.A" "css_element" should not exist in the ".initialbar.lastinitial" "css_element"
-    And I should see "Astudent Astudent"
-    And I should see "Bstudent Astudent"
-    And I should see "Cstudent Cstudent"
-
-  @javascript
-  Scenario: Filter users on course participants page
-    Given the following "activities" exist:
-      | activity | course | idnumber | name           | intro                       | assignsubmission_onlinetext_enabled | assignsubmission_file_enabled |
-      | assign   | C1     | assign1  | TestAssignment | Test assignment description | 0                                   | 0                             |
-    And I log in as "teacher"
-    And I am on "Course 1" course homepage
-    And I follow "Participants"
-    And I select "User details" from the "mode" singleselect
-    And ".initialbarall.letter.active" "css_element" should exist in the ".initialbar.firstinitial" "css_element"
-    And ".initialbarall.letter.active" "css_element" should exist in the ".initialbar.lastinitial" "css_element"
-    And ".letter.active.B" "css_element" should not exist in the ".initialbar.firstinitial" "css_element"
-    And ".letter.active.A" "css_element" should not exist in the ".initialbar.lastinitial" "css_element"
-    And I should see "Astudent Astudent"
-    And I should see "Bstudent Astudent"
-    And I should see "Cstudent Cstudent"
-    And I click on "A" "link" in the ".initialbar.lastinitial" "css_element"
-    And ".initialbarall.letter.active" "css_element" should exist in the ".initialbar.firstinitial" "css_element"
-    And ".initialbarall.letter.active" "css_element" should not exist in the ".initialbar.lastinitial" "css_element"
-    And ".letter.active.B" "css_element" should not exist in the ".initialbar.firstinitial" "css_element"
-    And ".letter.active.A" "css_element" should exist in the ".initialbar.lastinitial" "css_element"
-    And I should see "Astudent Astudent"
-    And I should see "Bstudent Astudent"
-    And I should not see "Cstudent Cstudent"
-    And I click on "B" "link" in the ".initialbar.firstinitial" "css_element"
-    And ".initialbarall.letter.active" "css_element" should not exist in the ".initialbar.firstinitial" "css_element"
-    And ".initialbarall.letter.active" "css_element" should not exist in the ".initialbar.lastinitial" "css_element"
-    And ".letter.active.B" "css_element" should exist in the ".initialbar.firstinitial" "css_element"
-    And ".letter.active.A" "css_element" should exist in the ".initialbar.lastinitial" "css_element"
-    And I should not see "Astudent Astudent"
-    And I should see "Bstudent Astudent"
-    And I should not see "Cstudent Cstudent"
-    And I am on "Course 1" course homepage
-    And I follow "Participants"
-    And I select "User details" from the "mode" singleselect
     And ".initialbarall.letter.active" "css_element" should not exist in the ".initialbar.firstinitial" "css_element"
     And ".initialbarall.letter.active" "css_element" should not exist in the ".initialbar.lastinitial" "css_element"
     And ".letter.active.B" "css_element" should exist in the ".initialbar.firstinitial" "css_element"