diff --git a/sun_checks.xml b/sun_checks.xml
index 67dff49..eca369c 100644
--- a/sun_checks.xml
+++ b/sun_checks.xml
@@ -97,7 +97,16 @@
   <!-- </module> -->
 
   <module name="TreeWalker">
-    <module name="SuppressWarnings"/>
+    <module name="SuppressWarnings">
+      <property name="format"
+          value="^unchecked$|^unused$"/>
+      <property name="tokens"
+        value="
+        CLASS_DEF,INTERFACE_DEF,ENUM_DEF,
+        ANNOTATION_DEF,ANNOTATION_FIELD_DEF,
+        ENUM_CONSTANT_DEF,METHOD_DEF,CTOR_DEF
+        "/>
+    </module>
 
     <!-- Checks for Javadoc comments.                     -->
     <!-- See https://checkstyle.org/checks/javadoc/index.html -->