diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b284c3ac7ab9b97be38d5eb9a9ade0d99abac5d3..8e41b111ed2c275bb228ff21429cb8b099f3b76b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,6 +27,7 @@ ubuntu:
   script:
     - python3 -m pip install -e .
     - python3 setup.py test
+    - python3 setup.py doctest
   tags:
     - docker
     - cuda
@@ -51,24 +52,6 @@ conda:
     paths:
       - test-report
       - htmlcov
-
-full:
-  stage: test
-  except:
-    variables:
-      - $ENABLE_NIGHTLY_BUILDS
-  image: i10git.cs.fau.de:5005/pycodegen/pycodegen/minimal_conda
-  script:
-    - conda install pip
-    - pip install -e .
-    - python setup.py test
-  tags:
-    - docker
-  artifacts:
-    paths:
-      - test-report
-      - htmlcov
-
 # -------------------- Linter & Documentation --------------------------------------------------------------------------