diff --git a/toonz/sources/common/tio.cpp b/toonz/sources/common/tio.cpp
deleted file mode 100644
index 47e6de7..0000000
--- a/toonz/sources/common/tio.cpp
+++ /dev/null
@@ -1,3 +0,0 @@
-
-
-#include "tio.h"