diff --git a/src/node_os.cc b/src/node_os.cc
index 541c2dc1e9d6c1..a5ae53ba75ee3c 100644
--- a/src/node_os.cc
+++ b/src/node_os.cc
@@ -52,7 +52,6 @@ using v8::ArrayBuffer;
 using v8::Boolean;
 using v8::Context;
 using v8::Float64Array;
-using v8::Function;
 using v8::FunctionCallbackInfo;
 using v8::Int32;
 using v8::Integer;