diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 84aad78..33a7079 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,7 +3,6 @@ name: CI
 env:
   COMPOSE_INTERACTIVE_NO_CLI: 1
   PHP_CS_FIXER_IGNORE_ENV: 1
-  MYSQL_PORT: 3307
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
 on: