--- a/mobile/android/app/src/test/java/org/mozilla/gecko/icons/preparation/TestLookupIconUrl.java
+++ b/mobile/android/app/src/test/java/org/mozilla/gecko/icons/preparation/TestLookupIconUrl.java
@@ -23,16 +23,17 @@ public class TestLookupIconUrl {
     private static final String TEST_ICON_URL_2 = "http://example.org/favicon.ico";
     private static final String TEST_ICON_URL_3 = "http://example.com/favicon.ico";
     private static final String TEST_ICON_URL_4 = "http://example.net/favicon.ico";
 
 
     @Before
     public void setUp() {
         MemoryStorage.get().evictAll();
+        DiskStorage.get(RuntimeEnvironment.application).evictAll();
     }
 
     @Test
     public void testNoIconUrlIsAddedByDefault() {
         final IconRequest request = Icons.with(RuntimeEnvironment.application)
                 .pageUrl(TEST_PAGE_URL)
                 .build();