diff --git a/.gitlab/ci/qa.gitlab-ci.yml b/.gitlab/ci/qa.gitlab-ci.yml
index cbb68985bb47f19e27593ac649ec97c812fba0de..d26df15412f17fc0b8962896efc68ab2805917ad 100644
--- a/.gitlab/ci/qa.gitlab-ci.yml
+++ b/.gitlab/ci/qa.gitlab-ci.yml
@@ -53,15 +53,6 @@ qa:internal-as-if-foss:
     - .qa:rules:internal-as-if-foss
     - .as-if-foss
 
-qa:master-auto-quarantine-dequarantine:
-  extends:
-    - .qa-job-base
-  rules:
-    - if: '$QA_TRIGGER_AUTO_QUARANTINE =~ /true|yes|1/i'
-  script:
-    - bundle exec confiner -r .confiner/master.yml
-  allow_failure: true
-
 cache-qa-gems:
   extends:
     - .qa-job-base
diff --git a/qa/.confiner/master.yml b/qa/.confiner/master.yml
deleted file mode 100644
index f58ea5de0172b23e8ebb19bf0c44c402ea8f1d00..0000000000000000000000000000000000000000
--- a/qa/.confiner/master.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-- name: Quarantine E2E tests in Master that fail consistently
-  plugin:
-    name: gitlab # https://gitlab.com/gitlab-org/quality/confiner/-/blob/main/doc/plugins/gitlab.md
-    args:
-      threshold: 3 # 3 failures
-      private_token: $QA_GITLAB_CI_TOKEN
-      project_id: gitlab-org/gitlab
-      target_project: gitlab-org/gitlab
-      failure_issue_labels: QA,Quality
-      failure_issue_prefix: "Failure in "
-      pwd: qa # E2E specs reside in the qa subdirectory
-      timeout: 30
-      ref: master
-  actions:
-    - quarantine
diff --git a/qa/Gemfile b/qa/Gemfile
index 5c44fa5068aececc1b6b0a8a8e1be0008bdcbc62..19800677673780ab5485ca878f45046e585be51e 100644
--- a/qa/Gemfile
+++ b/qa/Gemfile
@@ -33,8 +33,6 @@ gem 'fog-google', '~> 1.19', require: false
 gem 'fog-core', '2.1.0', require: false # fog-google generates a ton of warnings with latest core
 gem "warning", "~> 1.3"
 
-gem 'confiner', '~> 0.4'
-
 gem 'chemlab', '~> 0.11', '>= 0.11.1'
 gem 'chemlab-library-www-gitlab-com', '~> 0.1', '>= 0.1.1'
 
diff --git a/qa/Gemfile.lock b/qa/Gemfile.lock
index c222de2e013652aea5f445b3c35c4301d442472a..d8d1fb4066a0097e172fc6ce9478690eeb9fe754 100644
--- a/qa/Gemfile.lock
+++ b/qa/Gemfile.lock
@@ -69,9 +69,6 @@ GEM
     coderay (1.1.2)
     colorize (0.8.1)
     concurrent-ruby (1.2.2)
-    confiner (0.4.0)
-      gitlab (>= 4.17)
-      zeitwerk (>= 2.5, < 3)
     crass (1.0.6)
     debug_inspector (1.1.0)
     declarative (0.0.20)
@@ -356,7 +353,6 @@ DEPENDENCIES
   capybara-screenshot (~> 1.0.26)
   chemlab (~> 0.11, >= 0.11.1)
   chemlab-library-www-gitlab-com (~> 0.1, >= 0.1.1)
-  confiner (~> 0.4)
   deprecation_toolkit (~> 2.0.4)
   factory_bot (~> 6.3.0)
   faker (~> 3.2, >= 3.2.2)