diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 44deab02bb..7f09ec0ef6 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -33,12 +33,6 @@ jobs:
     steps:
       - name: Check out WALA sources
         uses: actions/checkout@v4
-#      - name: Cache Goomph
-#        uses: actions/cache@v4
-#        with:
-#          path: ~/.goomph
-#          key: ${{ runner.os }}-goomph-${{ hashFiles('build.gradle') }}
-#          restore-keys: ${{ runner.os }}-goomph-
       - name: 'Set up JDK ${{ matrix.java }}'
         uses: actions/setup-java@v4
         with:
@@ -47,15 +41,11 @@ jobs:
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v4
       - name: Build and test using Gradle with ECJ
-#        uses: gradle/gradle-build-action@v3
-#        with:
-#          gradle-executable: xvfb-gradle.sh
+        # use xvfb-gradle.sh to avoid headless test failures on Linux
         run: ./xvfb-gradle.sh aggregatedJavadocs build publishAllPublicationsToFakeRemoteRepository shellcheck --no-configuration-cache "-Pcom.ibm.wala.jdk-version=${{ matrix.java }}"
         # testing ECJ compilation on any one OS is sufficient; we choose Linux arbitrarily
         if: runner.os == 'Linux'
       - name: Build and test using Gradle but without ECJ
-#        uses: gradle/gradle-build-action@v3
-#        with:
         run: ./gradlew aggregatedJavadocs javadoc build -PskipJavaUsingEcjTasks --no-configuration-cache "-Pcom.ibm.wala.jdk-version=${{ matrix.java }}"
         if: runner.os != 'Linux'
       - name: Check for Git cleanliness after build and test