diff --git a/.github/workflows/analytics.yml b/.github/workflows/analytics.yml
index 6590b80..2369c8c 100644
--- a/.github/workflows/analytics.yml
+++ b/.github/workflows/analytics.yml
@@ -140,12 +140,6 @@ jobs:
       - name: "Enable annotations for validation errors and warnings"
         uses: "korelstar/xmllint-problem-matcher@v1"
 
-      - name: "Validate phpcs.xml"
-        uses: "ChristophWurst/xmllint-action@v1"
-        with:
-          xml-file: "phpcs.xml"
-          xml-schema-file: "vendor/squizlabs/php_codesniffer/phpcs.xsd"
-
       - name: "Run squizlabs/php_codesniffer"
         run: "vendor/bin/phpcs --report=checkstyle -q ${{ inputs.phpcs-options }} | cs2pr"
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ce79d5c..c3f6f63 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -117,12 +117,6 @@ jobs:
       - name: "Enable annotations for validation errors and warnings"
         uses: "korelstar/xmllint-problem-matcher@v1"
 
-      - name: "Validate phpcs.xml"
-        uses: "ChristophWurst/xmllint-action@v1"
-        with:
-          xml-file: "phpunit.xml"
-          xml-schema-file: "vendor/phpunit/phpunit/phpunit.xsd"
-
   phpunit-code-coverage:
     name: "Code Coverage with PHPUnit"