diff --git a/ui/drivers/qt/qt_downloads.cpp b/ui/drivers/qt/qt_downloads.cpp
index 0f80e1580f..44680bde74 100644
--- a/ui/drivers/qt/qt_downloads.cpp
+++ b/ui/drivers/qt/qt_downloads.cpp
@@ -27,11 +27,9 @@ extern "C" {
 }
 #endif
 
-#undef TEMP_EXTENSION
 #undef USER_AGENT
 #define USER_AGENT "RetroArch-WIMP/" PACKAGE_VERSION
 #define PARTIAL_EXTENSION ".partial"
-#define TEMP_EXTENSION ".tmp"
 #define THUMBNAIL_URL_HEADER "https://thumbnails.libretro.com/"
 #define THUMBNAIL_IMAGE_EXTENSION ".png"