rm unchecked suppression.
diff --git a/core/src/com/google/inject/internal/InternalFlags.java b/core/src/com/google/inject/internal/InternalFlags.java
index 74e0db2..4e0b227 100644
--- a/core/src/com/google/inject/internal/InternalFlags.java
+++ b/core/src/com/google/inject/internal/InternalFlags.java
@@ -97,7 +97,6 @@
    */
   private static <T extends Enum<T>> T getSystemOption(final String name, T defaultValue,
       T secureValue) {
-    @SuppressWarnings("unchecked")
     Class<T> enumType = defaultValue.getDeclaringClass();
     String value = null;
     try {