diff --git a/src/conf/checkstyle.xml b/src/conf/checkstyle.xml
index 690e1d8a4b..2b959d03d3 100644
--- a/src/conf/checkstyle.xml
+++ b/src/conf/checkstyle.xml
@@ -71,6 +71,7 @@
       <property name="ordered" value="true"/>
       <property name="separated" value="true"/>
     </module>
+    <module name="ParenPad" />
     <module name="TypecastParenPad" />
   </module>
   
diff --git a/src/main/java/org/apache/commons/pool3/impl/LinkedBlockingDeque.java b/src/main/java/org/apache/commons/pool3/impl/LinkedBlockingDeque.java
index b4232df5c7..3c5c3a3b5c 100644
--- a/src/main/java/org/apache/commons/pool3/impl/LinkedBlockingDeque.java
+++ b/src/main/java/org/apache/commons/pool3/impl/LinkedBlockingDeque.java
@@ -953,13 +953,12 @@ public E pollLast() {
      * @return the unlinked element
      * @throws InterruptedException if the current thread is interrupted
      */
-    public E pollLast(final Duration timeout)
-        throws InterruptedException {
+    public E pollLast(final Duration timeout) throws InterruptedException {
         long nanos = timeout.toNanos();
         lock.lockInterruptibly();
         try {
             E x;
-            while ( (x = unlinkLast()) == null) {
+            while ((x = unlinkLast()) == null) {
                 if (nanos <= 0) {
                     return null;
                 }
@@ -1292,7 +1291,7 @@ public E takeFirst() throws InterruptedException {
         lock.lock();
         try {
             E x;
-            while ( (x = unlinkFirst()) == null) {
+            while ((x = unlinkFirst()) == null) {
                 notEmpty.await();
             }
             return x;
@@ -1312,7 +1311,7 @@ public E takeLast() throws InterruptedException {
         lock.lock();
         try {
             E x;
-            while ( (x = unlinkLast()) == null) {
+            while ((x = unlinkLast()) == null) {
                 notEmpty.await();
             }
             return x;