diff --git a/src/main/java/org/apache/commons/lang3/ThreadUtils.java b/src/main/java/org/apache/commons/lang3/ThreadUtils.java
index b3f276c76..1174ff7ad 100644
--- a/src/main/java/org/apache/commons/lang3/ThreadUtils.java
+++ b/src/main/java/org/apache/commons/lang3/ThreadUtils.java
@@ -128,7 +128,7 @@ public static Collection<Thread> findThreadsByName(final String threadName, fina
         final Collection<ThreadGroup> threadGroups = findThreadGroups(new NamePredicate(threadGroupName));
 
         if(threadGroups.isEmpty()) {
-            return Collections.EMPTY_LIST;
+            return Collections.emptyList();
         }
 
         final Collection<Thread> result = new ArrayList<Thread>();
@@ -292,12 +292,12 @@ private AlwaysTruePredicate() {
         }
 
         @Override
-        public boolean test(@SuppressWarnings("unused") final ThreadGroup threadGroup) {
+        public boolean test(final ThreadGroup threadGroup) {
             return true;
         }
 
         @Override
-        public boolean test(@SuppressWarnings("unused") final Thread thread) {
+        public boolean test(final Thread thread) {
             return true;
         }
     }