diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d6cb32039dac353a7f113ab3a29339afa871a557..c7039b6008ec3f8b4d503148b477c4118391db4b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -57,7 +57,6 @@ type:
     - .changes
   stage: checks
   script:
-    - poetry install
     - make mypy
 
 lint:
@@ -65,7 +64,6 @@ lint:
     - .changes
   stage: checks
   script:
-    - poetry install
     - make pylint
 
 .tests:
@@ -124,7 +122,6 @@ pages:
     - tags
     - master
   script:
-    - poetry install
     - make docs
     - mv docs/_build/html public
     - ls public