diff --git a/.travis.yml b/.travis.yml
index 3564178..632725a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -43,7 +43,7 @@ install:
   - pip install trio curio --upgrade --upgrade-strategy eager
   - pip install 'pytest<6' 'matplotlib !=3.2.0' mypy
   - pip install codecov check-manifest --upgrade
-  - pip install mypy darker
+  - pip install mypy
   - |
     if [[ "$MASTER_DEPENDENCIES" == "True" ]]; then
        pip install git+https://github.com/ipython/traitlets#egg=traitlets --force
@@ -57,20 +57,6 @@ script:
        # on nightly fake parso known the grammar
        cp /home/travis/virtualenv/python3.9-dev/lib/python3.9/site-packages/parso/python/grammar38.txt /home/travis/virtualenv/python3.9-dev/lib/python3.9/site-packages/parso/python/grammar39.txt
     fi
-  - |
-    # check style on changes
-    # run `darker -r master` and commit changes to fix
-    if [[ "${TRAVIS_PULL_REQUEST:-false}" != "false" ]] \
-    && [[ "$TRAVIS_PYTHON_VERSION" == "3.8" ]] \
-    && [[ "$TRAVIS_OS_NAME" == "linux" ]];
-    then
-      darker -r ${TRAVIS_COMMIT_RANGE%%.*} --check --diff . || (
-        echo "Changes need auto-formatting. Run:"
-        echo "    darker -r ${TRAVIS_COMMIT_RANGE%%.*}"
-        echo "then commit and push changes to fix."
-        exit 1
-      )
-    fi
   - cd /tmp && iptest --coverage xml && cd -
   - pytest IPython
   - mypy IPython/terminal/ptutils.py