diff --git a/tests/DumpRenderTree/src/com/android/dumprendertree/LoadTestsAutoTest.java b/tests/DumpRenderTree/src/com/android/dumprendertree/LoadTestsAutoTest.java
index cbcac6caa9ea1..39bbf16b73b25 100644
--- a/tests/DumpRenderTree/src/com/android/dumprendertree/LoadTestsAutoTest.java
+++ b/tests/DumpRenderTree/src/com/android/dumprendertree/LoadTestsAutoTest.java
@@ -72,6 +72,7 @@ public class LoadTestsAutoTest extends ActivityInstrumentationTestCase2<TestShel
         // Run tests
         runTestAndWaitUntilDone(activity, runner.mTestPath, runner.mTimeoutInMillis);
 
+        activity.clearCache();
         dumpMemoryInfo();
 
         // Kill activity
diff --git a/tests/DumpRenderTree/src/com/android/dumprendertree/TestShellActivity.java b/tests/DumpRenderTree/src/com/android/dumprendertree/TestShellActivity.java
index 0d22eca99ecd5..09f7cbc22b417 100644
--- a/tests/DumpRenderTree/src/com/android/dumprendertree/TestShellActivity.java
+++ b/tests/DumpRenderTree/src/com/android/dumprendertree/TestShellActivity.java
@@ -87,6 +87,10 @@ public class TestShellActivity extends Activity implements LayoutTestController
         }
     }
 
+    public void clearCache() {
+      mWebView.clearCache(true);
+    }
+
     @Override
     protected void onCreate(Bundle icicle) {
         super.onCreate(icicle);