diff --git a/ui/drivers/qt/thumbnailpackdownload.cpp b/ui/drivers/qt/thumbnailpackdownload.cpp
index cdaf32d203..160ed5cec8 100644
--- a/ui/drivers/qt/thumbnailpackdownload.cpp
+++ b/ui/drivers/qt/thumbnailpackdownload.cpp
@@ -28,7 +28,8 @@ extern "C" {
 #define THUMBNAILPACK_URL_HEADER "http://thumbnailpacks.libretro.com/"
 #define THUMBNAILPACK_EXTENSION ".zip"
 
-static void extractThumbnailPackCB(void *task_data, void *user_data, const char *err)
+static void extractThumbnailPackCB(retro_task_t *task,
+      void *task_data, void *user_data, const char *err)
 {
    decompress_task_data_t *dec = (decompress_task_data_t*)task_data;
    MainWindow *mainwindow = (MainWindow*)user_data;
diff --git a/ui/drivers/qt/ui_qt_window.cpp b/ui/drivers/qt/ui_qt_window.cpp
index ea1150fd79..2a554ca50e 100644
--- a/ui/drivers/qt/ui_qt_window.cpp
+++ b/ui/drivers/qt/ui_qt_window.cpp
@@ -120,7 +120,8 @@ static const QPixmap getInvader()
 }
 
 #ifdef HAVE_LIBRETRODB
-static void scan_finished_handler(void *task_data, void *user_data, const char *err)
+static void scan_finished_handler(retro_task_t *task,
+      void *task_data, void *user_data, const char *err)
 {
    bool dontAsk = false;
    bool answer = false;
@@ -131,10 +132,6 @@ static void scan_finished_handler(void *task_data, void *user_data, const char *
    menu_environ.data = NULL;
 #endif
 
-   (void)task_data;
-   (void)user_data;
-   (void)err;
-
 #ifdef HAVE_MENU
    menu_driver_ctl(RARCH_MENU_CTL_ENVIRONMENT, &menu_environ);
 #endif