diff --git a/.github/workflows/phpunit-tests.yml b/.github/workflows/phpunit-tests.yml
index 30abb7c902ce1..b4572dfaace95 100644
--- a/.github/workflows/phpunit-tests.yml
+++ b/.github/workflows/phpunit-tests.yml
@@ -45,9 +45,9 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-latest ]
-        php: [ '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3' ]
+        php: [ '7.2' ]
         db-type: [ 'mysql' ]
-        db-version: [ '5.7', '8.0', '8.1', '8.2', '8.3' ]
+        db-version: [ '5.7' ]
         tests-domain: [ 'example.org' ]
         multisite: [ false, true ]
         memcached: [ false ]
@@ -95,51 +95,37 @@ jobs:
           # Include html5lib tests.
           - os: ubuntu-latest
             php: '7.2'
-            db-type: 'mysql'
             db-version: '5.7'
-            tests-domain: 'example.org'
             multisite: false
             html5lib-tests: true
           - os: ubuntu-latest
             php: '7.3'
-            db-type: 'mysql'
             db-version: '5.7'
-            tests-domain: 'example.org'
             multisite: false
             html5lib-tests: true
           - os: ubuntu-latest
             php: '7.4'
-            db-type: 'mysql'
             db-version: '5.7'
-            tests-domain: 'example.org'
             multisite: false
             html5lib-tests: true
           - os: ubuntu-latest
             php: '8.0'
-            db-type: 'mysql'
             db-version: '5.7'
-            tests-domain: 'example.org'
             multisite: false
             html5lib-tests: true
           - os: ubuntu-latest
             php: '8.1'
-            db-type: 'mysql'
             db-version: '5.7'
-            tests-domain: 'example.org'
             multisite: false
             html5lib-tests: true
           - os: ubuntu-latest
             php: '8.2'
-            db-type: 'mysql'
             db-version: '5.7'
-            tests-domain: 'example.org'
             multisite: false
             html5lib-tests: true
           - os: ubuntu-latest
             php: '8.3'
-            db-type: 'mysql'
             db-version: '5.7'
-            tests-domain: 'example.org'
             multisite: false
             html5lib-tests: true
     with: