diff -urN firefox-154.0-orig/widget/gtk/nsFilePicker.cpp firefox-154.0/widget/gtk/nsFilePicker.cpp
--- firefox-154.0-orig/widget/gtk/nsFilePicker.cpp	2026-08-13 06:13:46 +0900
+++ firefox-154.0/widget/gtk/nsFilePicker.cpp	2026-08-20 11:09:37 +0900
@@ -870,14 +870,6 @@
 }
 
 void nsFilePicker::DoneNonPortal(GtkWidget* file_chooser, gint response) {
-  // Ignore a confirmation that arrives before the input-protection time range
-  // has passed, leaving the dialog open. (GTK emits GTK_RESPONSE_ACCEPT on a
-  // double-click.)
-  if ((response == GTK_RESPONSE_OK || response == GTK_RESPONSE_ACCEPT) &&
-      IsPickerInputProtected()) {
-    return;
-  }
-
   mFileChooser = nullptr;
 
   nsIFilePicker::ResultCode result;