diff --git a/deps/outliner/src/logseq/outliner/page.cljs b/deps/outliner/src/logseq/outliner/page.cljs
index 7c985eb50c..6a90b942b4 100644
--- a/deps/outliner/src/logseq/outliner/page.cljs
+++ b/deps/outliner/src/logseq/outliner/page.cljs
@@ -44,7 +44,7 @@
                                    (when tx [tx]))))) refs)]
         tx-data))))
 
-(defn build-page-retract-tx
+(defn- build-page-retract-tx
   "Build cleanup tx-data for deleting a schema page.
    This is pure and can be reused by sync repair."
   [db page & [{:keys [include-page-retract?]
diff --git a/deps/outliner/src/logseq/outliner/recycle.cljs b/deps/outliner/src/logseq/outliner/recycle.cljs
index 1ee37ffec6..06a8afdb59 100644
--- a/deps/outliner/src/logseq/outliner/recycle.cljs
+++ b/deps/outliner/src/logseq/outliner/recycle.cljs
@@ -8,10 +8,10 @@
             [logseq.db.common.order :as db-order]))
 
 (def ^:private recycle-page-title "Recycle")
-(def retention-ms (* 60 24 3600 1000))
+(def ^:private retention-ms (* 60 24 3600 1000))
 (def gc-interval-ms (* 24 3600 1000))
 
-(defn recycled?
+(defn- recycled?
   [entity]
   (some? (:logseq.property/deleted-at entity)))
 
@@ -27,7 +27,7 @@
      :logseq.property/hide? true
      :logseq.property/built-in? true}))
 
-(defn recycle-page
+(defn- recycle-page
   [db]
   (ldb/get-built-in-page db recycle-page-title))
 
@@ -194,7 +194,7 @@
       :else
       nil)))
 
-(defn restore-tx-data
+(defn- restore-tx-data
   [db root]
   (when-let [{:keys [parent page order]} (restore-target db root)]
     (let [subtree (when-not (ldb/page? root)
@@ -229,7 +229,7 @@
       (ldb/transact! conn tx-data {:outliner-op :restore-recycled})
       true)))
 
-(defn gc-tx-data
+(defn- gc-tx-data
   [db {:keys [now-ms] :or {now-ms (common-util/time-ms)}}]
   (let [cutoff (- now-ms retention-ms)]
     (->>
diff --git a/src/main/frontend/undo_redo.cljs b/src/main/frontend/undo_redo.cljs
index 28f41335d6..9593727ef9 100644
--- a/src/main/frontend/undo_redo.cljs
+++ b/src/main/frontend/undo_redo.cljs
@@ -3,12 +3,12 @@
   (:require [datascript.core :as d]
             [frontend.db :as db]
             [frontend.state :as state]
-            [frontend.undo-redo-validate :as undo-validate]
             [frontend.util :as util]
             [lambdaisland.glogi :as log]
             [logseq.common.defkeywords :refer [defkeywords]]
             [logseq.db :as ldb]
             [logseq.outliner.recycle :as outliner-recycle]
+            [logseq.undo-redo-validate :as undo-validate]
             [malli.core :as m]
             [malli.util :as mu]
             [promesa.core :as p]))
diff --git a/src/main/frontend/worker/sync/apply_txs.cljs b/src/main/frontend/worker/sync/apply_txs.cljs
index 22f5ee6347..58fb663de7 100644
--- a/src/main/frontend/worker/sync/apply_txs.cljs
+++ b/src/main/frontend/worker/sync/apply_txs.cljs
@@ -2,7 +2,6 @@
   "Pending tx and remote tx application helpers for db sync."
   (:require [clojure.set :as set]
             [datascript.core :as d]
-            [frontend.undo-redo-validate :as undo-validate]
             [frontend.worker.shared-service :as shared-service]
             [frontend.worker.state :as worker-state]
             [frontend.worker.sync.assets :as sync-assets]
@@ -22,6 +21,7 @@
             [logseq.db.frontend.schema :as db-schema]
             [logseq.db.sqlite.util :as sqlite-util]
             [logseq.outliner.recycle :as outliner-recycle]
+            [logseq.undo-redo-validate :as undo-validate]
             [promesa.core :as p]))
 
 (defonce *repo->latest-remote-tx (atom {}))
diff --git a/src/main/frontend/undo_redo_validate.cljs b/src/main/logseq/undo_redo_validate.cljs
similarity index 99%
rename from src/main/frontend/undo_redo_validate.cljs
rename to src/main/logseq/undo_redo_validate.cljs
index 859663c4df..fe93669829 100644
--- a/src/main/frontend/undo_redo_validate.cljs
+++ b/src/main/logseq/undo_redo_validate.cljs
@@ -1,4 +1,4 @@
-(ns frontend.undo-redo-validate
+(ns logseq.undo-redo-validate
   "Undo redo validate"
   (:require [clojure.set :as set]
             [datascript.core :as d]
diff --git a/src/test/frontend/undo_redo_test.cljs b/src/test/frontend/undo_redo_test.cljs
index 213f40c7df..e08f66e22e 100644
--- a/src/test/frontend/undo_redo_test.cljs
+++ b/src/test/frontend/undo_redo_test.cljs
@@ -7,11 +7,11 @@
             [frontend.state :as state]
             [frontend.test.helper :as test-helper]
             [frontend.undo-redo :as undo-redo]
-            [frontend.undo-redo-validate :as undo-validate]
             [frontend.worker.db-listener :as worker-db-listener]
             [logseq.db :as ldb]
             [logseq.outliner.core :as outliner-core]
-            [logseq.outliner.op :as outliner-op]))
+            [logseq.outliner.op :as outliner-op]
+            [logseq.undo-redo-validate :as undo-validate]))
 
 ;; TODO: random property ops test
 
diff --git a/src/test/frontend/worker/db_sync_test.cljs b/src/test/frontend/worker/db_sync_test.cljs
index 35890a5e70..5cfdf718a8 100644
--- a/src/test/frontend/worker/db_sync_test.cljs
+++ b/src/test/frontend/worker/db_sync_test.cljs
@@ -3,7 +3,6 @@
             [clojure.string :as string]
             [datascript.core :as d]
             [frontend.common.crypt :as crypt]
-            [frontend.undo-redo-validate :as undo-validate]
             [frontend.worker-common.util :as worker-util]
             [frontend.worker.handler.page :as worker-page]
             [frontend.worker.pipeline :as worker-pipeline]
@@ -33,6 +32,7 @@
             [logseq.outliner.op :as outliner-op]
             [logseq.outliner.page :as outliner-page]
             [logseq.outliner.property :as outliner-property]
+            [logseq.undo-redo-validate :as undo-validate]
             [promesa.core :as p]))
 
 (def ^:private test-repo "test-db-sync-repo")