diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index 41e3230e7d29fc5ca759d10edac3cb829b5ba590..7fa7fc1e3ba287611b84d22cd969ef50655f8a8f 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -29,6 +29,6 @@ RUN pip3 install recommonmark sphinx-rtd-theme
 COPY . /git
 RUN rm -r /git/.git \
     && mv /git/.docker/pycaosdb.ini /git/integrationtests
-RUN cd /git && pip3 install .[h5-crawler,data-model-schema]
+RUN cd /git && pip3 install .[h5-crawler]
 WORKDIR /git/integrationtests
 CMD /wait-for-it.sh caosdb-server:10443 -t 500 -- ./test.sh --force
diff --git a/setup.py b/setup.py
index 79244b390a3bf7312510b8e51aca9a06b4576f18..2ec401e843df6337b8a2a9e543a986eec8313c3f 100755
--- a/setup.py
+++ b/setup.py
@@ -159,9 +159,9 @@ def setup_package():
                           "openpyxl>=3.0.0",
                           "pandas>=1.2.0",
                           "xlrd>=2.0",
+                          "jsonschema>=4.4.0",
                           ],
         extras_require={"h5-crawler": ["h5py>=3.3.0", ],
-                        "data-model-schema": ["jsonschema>=4.4.0"]
                         },
         packages=find_packages('src'),
         package_dir={'': 'src'},
diff --git a/tox.ini b/tox.ini
index 7b248421e7b3b005dceb01e009158293ff3aae2b..c0c976fde9aef8c0883161b3d1b955e2a7919cf1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,5 +9,4 @@ deps=pandas
     openpyxl
     xlrd == 1.2
     h5py
-    jsonschema
 commands=py.test --cov=caosadvancedtools -vv {posargs}