diff --git a/backend/src/app/migrations.clj b/backend/src/app/migrations.clj
index 13f99170fe..a3c4647a33 100644
--- a/backend/src/app/migrations.clj
+++ b/backend/src/app/migrations.clj
@@ -502,7 +502,10 @@
     :fn (mg/resource "app/migrations/sql/0152-rename-version-and-add-indexes-to-server-error-report.sql")}
 
    {:name "0153-del-orphan-profile-rels-after-team-leave"
-    :fn (mg/resource "app/migrations/sql/0153-del-orphan-profile-rels-after-team-leave.sql")}])
+    :fn (mg/resource "app/migrations/sql/0153-del-orphan-profile-rels-after-team-leave.sql")}
+
+   {:name "0154-del-legacy-file-object-thumbnail-table"
+    :fn (mg/resource "app/migrations/sql/0154-del-legacy-file-object-thumbnail-table.sql")}])
 
 (defn apply-migrations!
   [pool name migrations]
diff --git a/backend/src/app/migrations/sql/0154-del-legacy-file-object-thumbnail-table.sql b/backend/src/app/migrations/sql/0154-del-legacy-file-object-thumbnail-table.sql
new file mode 100644
index 0000000000..b0ecd778fa
--- /dev/null
+++ b/backend/src/app/migrations/sql/0154-del-legacy-file-object-thumbnail-table.sql
@@ -0,0 +1,7 @@
+--- The `file_object_thumbnail` table was replaced by
+--- `file_tagged_object_thumbnail` and nothing references it anymore: no query
+--- in the codebase touches it and it is empty in production.
+---
+--- NOTE: the storage bucket named "file-object-thumbnail" (the one used by
+--- `file_tagged_object_thumbnail`) has nothing to do with this table and stays.
+DROP TABLE IF EXISTS file_object_thumbnail;