diff --git a/packages/opencode/src/storage/db.ts b/packages/opencode/src/storage/db.ts
index beb8e3eb52c0..a12cdff30eb5 100644
--- a/packages/opencode/src/storage/db.ts
+++ b/packages/opencode/src/storage/db.ts
@@ -86,12 +86,12 @@ export namespace Database {
     const sqlite = new BunDatabase(Path, { create: true })
     state.sqlite = sqlite
 
-    sqlite.run("PRAGMA journal_mode = WAL")
+    sqlite.run("PRAGMA journal_mode = DELETE")
     sqlite.run("PRAGMA synchronous = NORMAL")
     sqlite.run("PRAGMA busy_timeout = 5000")
     sqlite.run("PRAGMA cache_size = -64000")
     sqlite.run("PRAGMA foreign_keys = ON")
-    sqlite.run("PRAGMA wal_checkpoint(PASSIVE)")
+    sqlite.run("PRAGMA locking_mode = EXCLUSIVE")
 
     const db = drizzle({ client: sqlite })
 
diff --git a/packages/opencode/src/storage/json-migration.ts b/packages/opencode/src/storage/json-migration.ts
index 828ce4799b4d..5802ff6851fe 100644
--- a/packages/opencode/src/storage/json-migration.ts
+++ b/packages/opencode/src/storage/json-migration.ts
@@ -46,7 +46,7 @@ export namespace JsonMigration {
     const db = drizzle({ client: sqlite })
 
     // Optimize SQLite for bulk inserts
-    sqlite.exec("PRAGMA journal_mode = WAL")
+    sqlite.exec("PRAGMA journal_mode = DELETE")
     sqlite.exec("PRAGMA synchronous = OFF")
     sqlite.exec("PRAGMA cache_size = 10000")
     sqlite.exec("PRAGMA temp_store = MEMORY")