diff --git a/test/hotspot/jtreg/gc/g1/TestHumongousAllocNearlyFullRegion.java b/test/hotspot/jtreg/gc/g1/TestHumongousAllocNearlyFullRegion.java
index 7782b275120..4920c5af105 100644
--- a/test/hotspot/jtreg/gc/g1/TestHumongousAllocNearlyFullRegion.java
+++ b/test/hotspot/jtreg/gc/g1/TestHumongousAllocNearlyFullRegion.java
@@ -62,6 +62,7 @@ public class TestHumongousAllocNearlyFullRegion {
             for (int i = 0; i < heapSize; i++) {
                 // 131069 is the number of longs it takes to fill a heapRegion except
                 // for 8 bytes on 64 bit.
+                @SuppressWarnings("unused")
                 long[] largeObect = new long[131069];
             }
         }