diff --git a/src/main/java/com/mongodb/kafka/connect/sink/dlq/WriteConcernException.java b/src/main/java/com/mongodb/kafka/connect/sink/dlq/WriteConcernException.java
index c592f8fdd..0c9df5bdc 100644
--- a/src/main/java/com/mongodb/kafka/connect/sink/dlq/WriteConcernException.java
+++ b/src/main/java/com/mongodb/kafka/connect/sink/dlq/WriteConcernException.java
@@ -21,24 +21,25 @@
 import com.mongodb.bulk.WriteConcernError;
 
 /**
- * The {@linkplain #getMessage() message} {@linkplain Formatter format} is {@code "v=1, code=%d,
- * codeName=%s, message=%s, details=%s"}, where {@code details} is JSON produced with {@link
- * org.bson.BsonDocument#toJson()}. We may change it in the future, in which case the version
- * (marked with {@code v}) will be incremented.
+ * The {@linkplain #getMessage() message} {@linkplain Formatter format} is {@code "v=2, code=%d,
+ * codeName=%s, message=%s"}. We may change it in the future, in which case the version (marked with
+ * {@code v}) will be incremented.
+ *
+ * <p>The {@code details} field (BSON of the failing document, previously emitted in {@code v=1}) is
+ * intentionally omitted: it carried record-derived content into the DLQ and into DEBUG logs.
  */
 public final class WriteConcernException extends NoStackTraceDlqException {
   private static final long serialVersionUID = 1L;
-  private static final int MESSAGE_FORMAT_VERSION = 1;
+  private static final int MESSAGE_FORMAT_VERSION = 2;
 
   public WriteConcernException(final WriteConcernError error) {
     super(
         String.format(
             Locale.ENGLISH,
-            "v=%d, code=%d, codeName=%s, message=%s, details=%s",
+            "v=%d, code=%d, codeName=%s, message=%s",
             MESSAGE_FORMAT_VERSION,
             error.getCode(),
             error.getCodeName(),
-            error.getMessage(),
-            error.getDetails().toJson()));
+            error.getMessage()));
   }
 }
diff --git a/src/main/java/com/mongodb/kafka/connect/sink/dlq/WriteException.java b/src/main/java/com/mongodb/kafka/connect/sink/dlq/WriteException.java
index b028421a4..c8b93893f 100644
--- a/src/main/java/com/mongodb/kafka/connect/sink/dlq/WriteException.java
+++ b/src/main/java/com/mongodb/kafka/connect/sink/dlq/WriteException.java
@@ -21,23 +21,24 @@
 import com.mongodb.WriteError;
 
 /**
- * The {@linkplain #getMessage() message} {@linkplain Formatter format} is {@code "v=1, code=%d,
- * message=%s, details=%s"}, where {@code details} is JSON produced with {@link
- * org.bson.BsonDocument#toJson()}. We may change it in the future, in which case the version
- * (marked with {@code v}) will be incremented.
+ * The {@linkplain #getMessage() message} {@linkplain Formatter format} is {@code "v=2, code=%d,
+ * message=%s"}. We may change it in the future, in which case the version (marked with {@code v})
+ * will be incremented.
+ *
+ * <p>The {@code details} field (BSON of the failing document, previously emitted in {@code v=1}) is
+ * intentionally omitted: it carried record-derived content into the DLQ and into DEBUG logs.
  */
 public final class WriteException extends NoStackTraceDlqException {
   private static final long serialVersionUID = 1L;
-  private static final int MESSAGE_FORMAT_VERSION = 1;
+  private static final int MESSAGE_FORMAT_VERSION = 2;
 
   public WriteException(final WriteError error) {
     super(
         String.format(
             Locale.ENGLISH,
-            "v=%d, code=%d, message=%s, details=%s",
+            "v=%d, code=%d, message=%s",
             MESSAGE_FORMAT_VERSION,
             error.getCode(),
-            error.getMessage(),
-            error.getDetails().toJson()));
+            error.getMessage()));
   }
 }