diff --git a/compos/tests/java/android/compos/test/ComposTestCase.java b/compos/tests/java/android/compos/test/ComposTestCase.java
index 01d8ff1..81e78ab 100644
--- a/compos/tests/java/android/compos/test/ComposTestCase.java
+++ b/compos/tests/java/android/compos/test/ComposTestCase.java
@@ -66,6 +66,14 @@
     @After
     public void tearDown() throws Exception {
         killVmAndReconnectAdb();
+
+        CommandRunner android = new CommandRunner(getDevice());
+
+        // Clear up any CompOS instance files we created
+        android.tryRun("rm", "-rf", COMPOS_CURRENT_ROOT);
+
+        // And any artifacts generated by odrefresh
+        android.tryRun("rm", "-rf", ODREFRESH_OUTPUT_DIR);
     }
 
     @Test
diff --git a/tests/hostside/helper/java/android/virt/test/VirtualizationTestCaseBase.java b/tests/hostside/helper/java/android/virt/test/VirtualizationTestCaseBase.java
index d62892c..5b7de58 100644
--- a/tests/hostside/helper/java/android/virt/test/VirtualizationTestCaseBase.java
+++ b/tests/hostside/helper/java/android/virt/test/VirtualizationTestCaseBase.java
@@ -87,7 +87,7 @@
 
         // Make sure we're connected to the host adb; this connection seems to get dropped when a VM
         // exits.
-        for (int retry = 0; retry < 3; ++retry) {
+        for (int retry = 0; retry < 10; ++retry) {
             if (android.tryRun("true") != null) {
                 break;
             }