diff --git a/app/src/main/java/org/thoughtcrime/securesms/database/AttachmentTable.kt b/app/src/main/java/org/thoughtcrime/securesms/database/AttachmentTable.kt
index 40158bce6b..b2df07d225 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/database/AttachmentTable.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/database/AttachmentTable.kt
@@ -862,12 +862,19 @@ class AttachmentTable(
           DATA_RANDOM to null,
           DATA_HASH_START to null,
           DATA_HASH_END to null,
+          REMOTE_KEY to null,
+          REMOTE_DIGEST to null,
+          REMOTE_INCREMENTAL_DIGEST to null,
+          REMOTE_INCREMENTAL_DIGEST_CHUNK_SIZE to 0,
+          THUMBNAIL_FILE to null,
+          THUMBNAIL_RANDOM to null,
           FILE_NAME to null,
           CAPTION to null,
           DATA_SIZE to 0,
           WIDTH to 0,
           HEIGHT to 0,
           TRANSFER_STATE to TRANSFER_PROGRESS_DONE,
+          ARCHIVE_TRANSFER_STATE to ArchiveTransferState.NONE.value,
           BLUR_HASH to null,
           CONTENT_TYPE to MediaUtil.VIEW_ONCE
         )
diff --git a/app/src/main/java/org/thoughtcrime/securesms/database/helpers/SignalDatabaseMigrations.kt b/app/src/main/java/org/thoughtcrime/securesms/database/helpers/SignalDatabaseMigrations.kt
index d9c2449ce8..a35ab14276 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/database/helpers/SignalDatabaseMigrations.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/database/helpers/SignalDatabaseMigrations.kt
@@ -137,6 +137,7 @@ import org.thoughtcrime.securesms.database.helpers.migration.V279_AddNotificatio
 import org.thoughtcrime.securesms.database.helpers.migration.V280_RemoveAttachmentIv
 import org.thoughtcrime.securesms.database.helpers.migration.V281_RemoveArchiveTransferFile
 import org.thoughtcrime.securesms.database.helpers.migration.V282_AddSnippetMessageIdColumnToThreadTable
+import org.thoughtcrime.securesms.database.helpers.migration.V283_ViewOnceRemoteDataCleanup
 import org.thoughtcrime.securesms.database.SQLiteDatabase as SignalSqliteDatabase
 
 /**
@@ -279,10 +280,11 @@ object SignalDatabaseMigrations {
     279 to V279_AddNotificationProfileForeignKey,
     280 to V280_RemoveAttachmentIv,
     281 to V281_RemoveArchiveTransferFile,
-    282 to V282_AddSnippetMessageIdColumnToThreadTable
+    282 to V282_AddSnippetMessageIdColumnToThreadTable,
+    283 to V283_ViewOnceRemoteDataCleanup
   )
 
-  const val DATABASE_VERSION = 282
+  const val DATABASE_VERSION = 283
 
   @JvmStatic
   fun migrate(context: Application, db: SignalSqliteDatabase, oldVersion: Int, newVersion: Int) {
diff --git a/app/src/main/java/org/thoughtcrime/securesms/database/helpers/migration/V283_ViewOnceRemoteDataCleanup.kt b/app/src/main/java/org/thoughtcrime/securesms/database/helpers/migration/V283_ViewOnceRemoteDataCleanup.kt
new file mode 100644
index 0000000000..c6692183d7
--- /dev/null
+++ b/app/src/main/java/org/thoughtcrime/securesms/database/helpers/migration/V283_ViewOnceRemoteDataCleanup.kt
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2025 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.database.helpers.migration
+
+import android.app.Application
+import org.thoughtcrime.securesms.database.SQLiteDatabase
+
+/**
+ * We were unnecessarily holding on to some attachment download data for viewed view-once messages that we don't need to hold onto.
+ */
+object V283_ViewOnceRemoteDataCleanup : SignalDatabaseMigration {
+  override fun migrate(context: Application, db: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
+    db.execSQL(
+      """
+      UPDATE 
+        attachment
+      SET 
+        remote_key = NULL,
+        remote_digest = NULL,
+        remote_incremental_digest = NULL,
+        remote_incremental_digest_chunk_size = 0,
+        thumbnail_file = NULL,
+        thumbnail_random = NULL,
+        archive_transfer_state = 0
+      WHERE 
+        data_file IS NULL AND
+        content_type = 'application/x-signal-view-once'
+      """
+    )
+  }
+}