diff --git a/reader/src/main/java/io/github/dfa1/vortex/reader/array/AbstractMaterializedArray.java b/reader/src/main/java/io/github/dfa1/vortex/reader/array/AbstractMaterializedArray.java
index 9420787c..8beb6861 100644
--- a/reader/src/main/java/io/github/dfa1/vortex/reader/array/AbstractMaterializedArray.java
+++ b/reader/src/main/java/io/github/dfa1/vortex/reader/array/AbstractMaterializedArray.java
@@ -51,6 +51,7 @@ public final long length() {
     ///
     /// @param arena unused; the existing buffer is returned as-is
     /// @return the backing segment
+    @SuppressWarnings("java:S1172") // arena is contractual: this implements Array#materialize(SegmentAllocator) for the leaf classes; unused only because the buffer is already materialized.
     public final MemorySegment materialize(SegmentAllocator arena) {
         return buffer;
     }