remove predis

composer.json

@@ -8,8 +8,7 @@
         "php": ">=7.0.0",
         "fideloper/proxy": "~3.3",
         "laravel/framework": "5.5.*",
-        "laravel/tinker": "~1.0",
-        "predis/predis": "^1.1"
+        "laravel/tinker": "~1.0"
     },
     "require-dev": {
         "fzaninotto/faker": "~1.4",