diff --git a/src/node_buffer.cc b/src/node_buffer.cc
index 7e2096eb1f1307..61b80c622a809e 100644
--- a/src/node_buffer.cc
+++ b/src/node_buffer.cc
@@ -745,7 +745,6 @@ void Initialize(Handle<Object> target,
 
   env->SetMethod(target, "setupBufferJS", SetupBufferJS);
 
-  env->SetMethod(target, "byteLength", ByteLength);
   env->SetMethod(target, "byteLength", ByteLength);
   env->SetMethod(target, "compare", Compare);
   env->SetMethod(target, "fill", Fill);