[pmd] UnusedPrivateField
diff --git a/src/main/java/org/apache/sling/clam/job/internal/JcrPropertyScanJobConsumer.java b/src/main/java/org/apache/sling/clam/job/internal/JcrPropertyScanJobConsumer.java
index 998653b..2735630 100644
--- a/src/main/java/org/apache/sling/clam/job/internal/JcrPropertyScanJobConsumer.java
+++ b/src/main/java/org/apache/sling/clam/job/internal/JcrPropertyScanJobConsumer.java
@@ -83,6 +83,7 @@
         policy = ReferencePolicy.DYNAMIC,
         policyOption = ReferencePolicyOption.GREEDY
     )
+    @SuppressWarnings("unused")
     private volatile ServiceUserMapped serviceUserMapped;
 
     private final Logger logger = LoggerFactory.getLogger(JcrPropertyScanJobConsumer.class);
diff --git a/src/main/java/org/apache/sling/clam/oak/internal/NodeObservingJcrPropertyDigger.java b/src/main/java/org/apache/sling/clam/oak/internal/NodeObservingJcrPropertyDigger.java
index 9d754ce..9b1db18 100644
--- a/src/main/java/org/apache/sling/clam/oak/internal/NodeObservingJcrPropertyDigger.java
+++ b/src/main/java/org/apache/sling/clam/oak/internal/NodeObservingJcrPropertyDigger.java
@@ -90,6 +90,7 @@
         policy = ReferencePolicy.DYNAMIC,
         policyOption = ReferencePolicyOption.GREEDY
     )
+    @SuppressWarnings("unused")
     private volatile ServiceUserMapped serviceUserMapped;
 
     private Pattern pattern;
diff --git a/src/main/java/org/apache/sling/clam/result/internal/ResourcePersistingScanResultHandler.java b/src/main/java/org/apache/sling/clam/result/internal/ResourcePersistingScanResultHandler.java
index d53b5f4..c254e9e 100644
--- a/src/main/java/org/apache/sling/clam/result/internal/ResourcePersistingScanResultHandler.java
+++ b/src/main/java/org/apache/sling/clam/result/internal/ResourcePersistingScanResultHandler.java
@@ -94,6 +94,7 @@
         policyOption = ReferencePolicyOption.GREEDY,
         target = "(" + ServiceUserMapped.SUBSERVICENAME + "=" + SUBSERVICE + ")"
     )
+    @SuppressWarnings("unused")
     private volatile ServiceUserMapped serviceUserMapped;
 
     private ResourcePersistingScanResultHandlerConfiguration configuration;