diff --git a/example/clcpp_response.cpp b/example/clcpp_response.cpp
index 82c8d074..3414caeb 100644
--- a/example/clcpp_response.cpp
+++ b/example/clcpp_response.cpp
@@ -122,7 +122,6 @@ namespace {
 #include <iostream>
 
 using namespace units::si::literals;
-//using namespace units::si;
 using namespace units::international;
 
 void simple_quantities()