Remove trailing whitespace.
diff --git a/src/main/java/org/apache/commons/pool2/KeyedObjectPool.java b/src/main/java/org/apache/commons/pool2/KeyedObjectPool.java
index b791f0a..cbafbb1 100644
--- a/src/main/java/org/apache/commons/pool2/KeyedObjectPool.java
+++ b/src/main/java/org/apache/commons/pool2/KeyedObjectPool.java
@@ -66,7 +66,7 @@
  * @since 2.0
  */
 public interface KeyedObjectPool<K, V> extends Closeable {
-    
+
     /**
      * Create an object using the {@link KeyedPooledObjectFactory factory} or
      * other implementation dependent mechanism, passivate it, and then place it
@@ -107,7 +107,7 @@
             addObject(key);
         }
     }
-    
+
     /**
      * Obtains an instance from this pool for the specified <code>key</code>.
      * <p>
diff --git a/src/test/java/org/apache/commons/pool2/TestPoolUtils.java b/src/test/java/org/apache/commons/pool2/TestPoolUtils.java
index e5db063..d99c6ae 100644
--- a/src/test/java/org/apache/commons/pool2/TestPoolUtils.java
+++ b/src/test/java/org/apache/commons/pool2/TestPoolUtils.java
@@ -46,7 +46,7 @@
 
 /**
  * Unit tests for {@link PoolUtils}.
- * 
+ *
  * TODO Replace our own mocking with a mocking library like Mockito.
  */
 public class TestPoolUtils {