diff --git a/lib/types/message-types.js b/lib/types/message-types.js
--- a/lib/types/message-types.js
+++ b/lib/types/message-types.js
@@ -453,8 +453,6 @@
 export type ClientDBThreadMessageInfo = {
   +id: string,
   +start_reached: string,
-  +last_navigated_to: string,
-  +last_pruned: string,
 };
 
 export const messageTruncationStatus = Object.freeze({
diff --git a/lib/utils/message-ops-utils.js b/lib/utils/message-ops-utils.js
--- a/lib/utils/message-ops-utils.js
+++ b/lib/utils/message-ops-utils.js
@@ -265,13 +265,10 @@
   threadMessageInfo: ThreadMessageInfo | TranslatedThreadMessageInfo,
 ): ClientDBThreadMessageInfo {
   const startReached = threadMessageInfo.startReached ? 1 : 0;
-  const lastNavigatedTo = 0;
-  const lastPruned = 0;
+
   return {
     id,
     start_reached: startReached.toString(),
-    last_navigated_to: lastNavigatedTo.toString(),
-    last_pruned: lastPruned.toString(),
   };
 }