diff --git a/src/support/docstream.C b/src/support/docstream.C
index 4347d6ba5b..525f3673e0 100644
--- a/src/support/docstream.C
+++ b/src/support/docstream.C
@@ -20,7 +20,6 @@
 
 
 using lyx::ucs4_codeset;
-using lyx::ucs2_codeset;
 
 using std::string;