diff --git a/src/rpc/RPCHelpers.cpp b/src/rpc/RPCHelpers.cpp
index 08e16798..72a6555f 100644
--- a/src/rpc/RPCHelpers.cpp
+++ b/src/rpc/RPCHelpers.cpp
@@ -34,7 +34,6 @@
 #include "web/Context.hpp"
 
 #include <boost/algorithm/string/case_conv.hpp>
-#include <boost/algorithm/string/predicate.hpp>
 #include <boost/asio/spawn.hpp>
 #include <boost/format/format_fwd.hpp>
 #include <boost/format/free_funcs.hpp>