diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 66a219a9655e8e77c63211b5bc9e26ee6b731fc6..c614c5ff6ec4f8a9f4257d317d39cbb0b44a0e2e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -62,7 +62,6 @@ lint:
   stage: tests
   tags: [redshift]
   script:
-    - poetry install
     - make pylint
 
 .tests:
diff --git a/pyproject.toml b/pyproject.toml
index 5c0d35388178e19da67f23b614b9aa793f1b4b0e..dd9a53ca9bd6fca21ebbc4cb809772b9ccb46cb9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,6 +48,6 @@ profile = "black"
 src_paths = ["duniterpy", "tests", "examples"]
 
 [tool.pylint.messages_control]
-disable = "C,R0401,R0801,R0902,R0903,R0904,R0912,R0913,R0914,R0915,W0613"
+disable = "C,E0401,R0401,R0801,R0902,R0903,R0904,R0912,R0913,R0914,R0915,W0613"
 enable = "C0121,C0202,C0321"
 jobs = 0