diff --git a/src/main/java/software/amazon/nio/spi/s3/S3FileSystem.java b/src/main/java/software/amazon/nio/spi/s3/S3FileSystem.java
index 1f241ca4..fe5853d1 100644
--- a/src/main/java/software/amazon/nio/spi/s3/S3FileSystem.java
+++ b/src/main/java/software/amazon/nio/spi/s3/S3FileSystem.java
@@ -15,10 +15,7 @@
 import java.nio.file.*;
 import java.nio.file.attribute.UserPrincipalLookupService;
 import java.nio.file.spi.FileSystemProvider;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Objects;
-import java.util.Set;
+import java.util.*;
 import java.util.regex.Pattern;
 import java.util.regex.PatternSyntaxException;
 import software.amazon.awssdk.services.s3.S3AsyncClient;
@@ -316,6 +313,8 @@ public Iterable<FileStore> getFileStores() {
         return Collections.EMPTY_SET;
     }
 
+    private static final Set<String> supportedFileAttributeViews =
+            Collections.singleton(BASIC_FILE_ATTRIBUTE_VIEW);
     /**
      * Returns the set of the file attribute views supported by this {@code FileSystem}.
      * <br>
@@ -326,9 +325,7 @@ public Iterable<FileStore> getFileStores() {
      */
     @Override
     public Set<String> supportedFileAttributeViews() {
-        HashSet<String> views = new HashSet<>(2);
-        views.add(BASIC_FILE_ATTRIBUTE_VIEW);
-        return Collections.unmodifiableSet(views);
+        return supportedFileAttributeViews;
     }
 
     /**