diff --git a/app/src/main/java/com/hippo/ehviewer/ui/MainActivity.kt b/app/src/main/java/com/hippo/ehviewer/ui/MainActivity.kt
index 6daa167dc..b493ef0ac 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/MainActivity.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/MainActivity.kt
@@ -125,9 +125,7 @@ class MainActivity : EhActivity() {
 
     @Suppress("OVERRIDE_DEPRECATION")
     override fun onBackPressed() {
-        check(Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU)
-        val isDrawerOpen = binding.drawView.isDrawerOpen(GravityCompat.START) or
-            binding.drawView.isDrawerOpen(GravityCompat.END)
+        val isDrawerOpen = binding.drawView.isDrawerOpen(GravityCompat.START) or binding.drawView.isDrawerOpen(GravityCompat.END)
         if (isDrawerOpen) {
             binding.drawView.closeDrawers()
         } else {