diff --git a/components/formats-gpl/src/loci/formats/in/LegacyND2Reader.java b/components/formats-gpl/src/loci/formats/in/LegacyND2Reader.java
index 9211b9cab04..2b7594d4cbd 100644
--- a/components/formats-gpl/src/loci/formats/in/LegacyND2Reader.java
+++ b/components/formats-gpl/src/loci/formats/in/LegacyND2Reader.java
@@ -38,7 +38,10 @@
 /**
  * LegacyND2Reader is a file format reader for Nikon ND2 files that uses
  * the Nikon ND2 SDK - it is only usable on Windows machines.
+ *
+ * @Deprecated LegacyND2Reader will be removed in Bio-Formats 7.0.0
  */
+@Deprecated
 public class LegacyND2Reader extends FormatReader {
 
   // -- Constants --
diff --git a/components/formats-gpl/src/loci/formats/in/NativeND2Reader.java b/components/formats-gpl/src/loci/formats/in/NativeND2Reader.java
index 00cc89c06f7..16dcd241e66 100644
--- a/components/formats-gpl/src/loci/formats/in/NativeND2Reader.java
+++ b/components/formats-gpl/src/loci/formats/in/NativeND2Reader.java
@@ -70,7 +70,11 @@
  * (2) the JAI jar file precedes JJ2000 in the classpath.
  *
  * Thanks to Tom Caswell for additions to the ND2 metadata parsing logic.
+ *
+ * @Deprecated NativeND2Reader will be unified with ND2Reader in Bio-Formats 7.0.0
+ * and should no longer be used
  */
+@Deprecated
 public class NativeND2Reader extends SubResolutionFormatReader {
 
   // -- Constants --