diff --git a/src/tex2lyx/tex2lyx.cpp b/src/tex2lyx/tex2lyx.cpp
index c107cea8c0..02630b3df7 100644
--- a/src/tex2lyx/tex2lyx.cpp
+++ b/src/tex2lyx/tex2lyx.cpp
@@ -25,7 +25,6 @@
 #include "support/lstrings.h"
 #include "support/os.h"
 #include "support/Package.h"
-#include "support/unicode.h"
 
 #include <fstream>
 #include <iostream>