diff --git a/.github/workflows/CI-3p-php-pdo-pgsql.yml b/.github/workflows/CI-3p-php-pdo-pgsql.yml
index a98d60fdd..241223971 100644
--- a/.github/workflows/CI-3p-php-pdo-pgsql.yml
+++ b/.github/workflows/CI-3p-php-pdo-pgsql.yml
@@ -25,12 +25,3 @@ jobs:
       trigger: ${{ toJson(github) }}
       infradb: ${{ vars.MATRIX_3P_PHP_PDO_PGSQL_infradb_pgsql }}
       connector: ${{ vars.MATRIX_3P_PHP_PDO_PGSQL_connector_pgsql }}
-
-  run-mariadb:
-    if: ${{ github.event.workflow_run && github.event.workflow_run.conclusion == 'success' || ! github.event.workflow_run }}
-    uses: sysown/proxysql/.github/workflows/ci-3p-php-pdo-pgsql.yml@GH-Actions
-    secrets: inherit
-    with:
-      trigger: ${{ toJson(github) }}
-      infradb: ${{ vars.MATRIX_3P_PHP_PDO_PGSQL_infradb_mariadb }}
-      connector: ${{ vars.MATRIX_3P_PHP_PDO_PGSQL_connector_mariadb }}