diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6ad5bf26c51f10e050b904e785fc0e8e275bbc8d..f945db0aa09e35969150ad9a0474abdd7b69a192 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -68,8 +68,8 @@ lint:
   stage: tests
   image: $DOCKER_IMAGE/$PYTHON_VERSION:latest
   script:
-    - poetry install --no-dev
-    - make tests
+    - poetry install
+    - poetry run pytest
 
 tests-3.6:
   extends: .tests
diff --git a/Makefile b/Makefile
index bac812af278b66adeb18d574e92781a7a8bd5e9b..717e4f98d9edee33cc1b11b66b42c53a84705161 100644
--- a/Makefile
+++ b/Makefile
@@ -1,14 +1,10 @@
-.PHONY: docs tests check check-format mypy pylint format build deploy deploy_test
+.PHONY: docs check check-format mypy pylint format build deploy deploy_test
 .SILENT: deploy deploy_test # do not echo commands with password
 
 # generate documentation
 docs:
 	cd docs && rm duniterpy.*; poetry run sphinx-apidoc -o . ../duniterpy && make clean && make html && cd ..
 
-# run tests
-tests:
-	poetry run python3 -m unittest ${TESTS_FILTER}
-
 # check
 check: mypy pylint check-format