diff --git a/x-pack/plugin/blob-cache/src/test/java/org/elasticsearch/blobcache/shared/SharedBytesTests.java b/x-pack/plugin/blob-cache/src/test/java/org/elasticsearch/blobcache/shared/SharedBytesTests.java
index fa7ec6dbfd5a8..7642ecb9e4bee 100644
--- a/x-pack/plugin/blob-cache/src/test/java/org/elasticsearch/blobcache/shared/SharedBytesTests.java
+++ b/x-pack/plugin/blob-cache/src/test/java/org/elasticsearch/blobcache/shared/SharedBytesTests.java
@@ -37,7 +37,7 @@ public void testReleasesFileCorrectly() throws Exception {
             );
             final var sharedBytesPath = nodeEnv.nodeDataPaths()[0].resolve("shared_snapshot_cache");
             assertTrue(Files.exists(sharedBytesPath));
-            sharedBytes.decRef();
+            sharedBytes.close();
             assertFalse(Files.exists(sharedBytesPath));
         }
     }