diff --git a/src/support/unicode.C b/src/support/unicode.C
index 386e1e1b48..9d04d5bb2a 100644
--- a/src/support/unicode.C
+++ b/src/support/unicode.C
@@ -16,8 +16,6 @@
 
 #include "debug.h"
 
-#include <boost/cstdint.hpp>
-
 #include <iconv.h>
 
 #include <cerrno>