diff --git a/.travis.yml b/.travis.yml
index d3406717..a6fa27fc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,14 +9,8 @@ git:
   depth: false
   autocrlf: false
 
-addons:
-  apt:
-    packages:
-      - tree
-
 before_install:
   - date
-  - tree
 
 install:
   - pip install poetry