diff --git a/core/src/main/java/hudson/util/jna/Advapi32.java b/core/src/main/java/hudson/util/jna/Advapi32.java
index fd929d963b11fbb6d00d86d5d49ef91bc04fa893..bef26018ac5469a5383ae89c62738786df5aa161 100644
--- a/core/src/main/java/hudson/util/jna/Advapi32.java
+++ b/core/src/main/java/hudson/util/jna/Advapi32.java
@@ -30,6 +30,7 @@ import java.util.List;
  *
  * @author TB
  */
+@SuppressWarnings("UnusedReturnValue")
 public interface Advapi32  extends StdCallLibrary {
   Advapi32 INSTANCE = (Advapi32) Native.loadLibrary("Advapi32", Advapi32.class, Options.UNICODE_OPTIONS);