diff --git a/ext/junit/java/androidx/test/ext/junit/runners/AndroidJUnit4.java b/ext/junit/java/androidx/test/ext/junit/runners/AndroidJUnit4.java
index 95cbf9432..b40f3f795 100644
--- a/ext/junit/java/androidx/test/ext/junit/runners/AndroidJUnit4.java
+++ b/ext/junit/java/androidx/test/ext/junit/runners/AndroidJUnit4.java
@@ -71,7 +71,8 @@ && hasClass("org.robolectric.RobolectricTestRunner")) {
 
   private static boolean hasClass(String className) {
     try {
-      return Class.forName(className) != null;
+      Class<?> unused = Class.forName(className);
+      return true;
     } catch (ClassNotFoundException e) {
       return false;
     }