diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index 874502d8..11831b7b 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -27,10 +27,6 @@ jobs:
           echo androidStoreFile='key.jks' >> gradle.properties
           echo ${{ secrets.KEY_STORE }} | base64 --decode > key.jks
         fi
-    - name: set up JDK 11
-      uses: actions/setup-java@v1
-      with:
-        java-version: 11
     - name: Cache Gradle Dependencies
       uses: actions/cache@v2
       with: