diff --git a/.github/workflows/tests-oracle.yml b/.github/workflows/tests-oracle.yml
deleted file mode 100644
index 35ca84862ba..00000000000
--- a/.github/workflows/tests-oracle.yml
+++ /dev/null
@@ -1,89 +0,0 @@
-name: Oracle Tests
-
-on:
-  push:
-    # we need to trigger on all branches, because sometimes need copy of branches, because secrets are only available on "internal" pull requests
-    paths:
-      - 'src/test/java/org/jabref/model/database/**'
-      - 'src/test/java/org/jabref/logic/shared/**'
-      - '.github/workflows/tests-oracle.yml'
-      - 'build.gradle'
-  pull_request:
-    paths:
-      - 'src/test/java/org/jabref/model/database/**'
-      - 'src/test/java/org/jabref/logic/shared/**'
-      - '.github/workflows/tests-oracle.yml'
-      - 'build.gradle'
-  schedule:
-    # run on each Wednesday
-    - cron: '2 3 * * 3'
-
-env:
-  SpringerNatureAPIKey: ${{ secrets.SpringerNatureAPIKey }}
-
-jobs:
-  oracletests:
-    name: Oracle tests
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check secrets presence
-        id: checksecrets
-        shell: bash
-        run: |
-          if [ "CCRYPT" == "" ]; then
-            echo ::set-output name=secretspresent::false
-          else
-            echo ::set-output name=secretspresent::true
-          fi
-        env:
-          SNAPCRAFT_LOGIN_FILE: ${{ secrets.CCRYPT }}
-      - name: Checkout source
-        uses: actions/checkout@v2
-      - name: Set up JDK
-        if: ${{ steps.checksecrets.outputs.secretspresent }}
-        uses: actions/setup-java@v1
-        with:
-          java-version: 14
-      - name: Restore gradle chache
-        if: ${{ steps.checksecrets.outputs.secretspresent }}
-        uses: actions/cache@v1
-        with:
-          path: ~/.gradle/caches
-          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
-          restore-keys: |
-            ${{ runner.OS }}-gradle-${{ env.cache-name }}-
-            ${{ runner.OS }}-gradle-
-            ${{ runner.OS }}-
-      - name: Restore gradle wrapper
-        if: ${{ steps.checksecrets.outputs.secretspresent }}
-        uses: actions/cache@v1
-        with:
-          path: ~/.gradle/wrapper
-          key: ${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties') }}
-      - name: Start Oracle XE
-        if: ${{ steps.checksecrets.outputs.secretspresent }}
-        run: |
-          mkdir ~/oracle-xe || true
-          cd ~/oracle-xe
-          wget -qN https://github.com/deusaquilus/docker-oracle-xe/archive/master.zip
-          unzip master.zip
-          cd docker-oracle-xe-master
-          wget -qN http://ccrypt.sourceforge.net/download/1.11/ccrypt-1.11.linux-x86_64.tar.gz
-          wget -qN -O files/oracle-database-xe-18c-1.0-1.x86_64.rpm.cpt https://files.jabref.org/thing.cpt
-          pwd
-          tar xzf ccrypt-1.11.linux-x86_64.tar.gz
-          ccrypt-1.11.linux-x86_64/ccrypt -d -E CCRYPT files/oracle-database-xe-18c-1.0-1.x86_64.rpm.cpt
-          docker build -t oracle-xe:18c .
-          docker run -d -p 32118:1521 -p 35518:5500 --name=oracle-xe oracle-xe:18c
-          # give oracle some time to start
-          sleep 300
-          docker logs oracle-xe
-          # path `/opt/oracle/product/18c/dbhomeXE` is taken from the `Dockerfile` used to build "oracle-xe"
-          docker exec -i oracle-xe bash -c "source /home/oracle/.bashrc; /bin/bash -c '/opt/oracle/product/18c/dbhomeXE/bin/sqlplus sys/Oracle18@localhost/XE as sysdba'" < $GITHUB_WORKSPACE/buildres/setup-test-oracle.sql
-        env:
-          CCRYPT: ${{ secrets.CCRYPT }}
-      - name: Run database test
-        if: ${{ steps.checksecrets.outputs.secretspresent }}
-        run: ./gradlew databaseTest --rerun-tasks
-        env:
-          DBMS: "oracle"