diff --git a/App/App_macOS.swift b/App/App_macOS.swift
index ffb58f12..1bdfcad5 100644
--- a/App/App_macOS.swift
+++ b/App/App_macOS.swift
@@ -216,18 +216,12 @@ struct RootView: View {
         }.task {
             switch AppType.current {
             case .kiwix:
-                let perfLib = Performance()
                 LibraryOperations.reopen {
                     navigation.currentItem = .reading
-                    perfLib.measure("LibraryOperations.reopen")
                 }
-                let perf = Performance()
                 LibraryOperations.scanDirectory(URL.documentDirectory)
-                perf.measure("scanDirectory")
                 LibraryOperations.applyFileBackupSetting()
-                perf.measure("applyFileBackupSetting")
                 DownloadService.shared.restartHeartbeatIfNeeded()
-                perf.measure("restartHeartbeatIfNeeded")
             case let .custom(zimFileURL):
                 LibraryOperations.open(url: zimFileURL) {
                     ZimMigration.forCustomApps()
diff --git a/Model/ZimFileService/ZimFileService.mm b/Model/ZimFileService/ZimFileService.mm
index ae1a6a8d..b097130d 100644
--- a/Model/ZimFileService/ZimFileService.mm
+++ b/Model/ZimFileService/ZimFileService.mm
@@ -27,7 +27,6 @@
 
 #import "ZimFileService.h"
 #import "ZimFileMetaData.h"
-#import "PerformanceObjC.h"
 
 @interface ZimFileService ()