diff --git a/src/gn/args.cc b/src/gn/args.cc
index 3b765f8..5592d4a 100644
--- a/src/gn/args.cc
+++ b/src/gn/args.cc
@@ -333,8 +333,6 @@
 #else
 #error Unknown OS type.
 #endif
-  // NOTE: Adding a new port? Please follow
-  // https://chromium.googlesource.com/chromium/src/+/master/docs/new_port_policy.md
 
   // Host architecture.
   static const char kX86[] = "x86";
diff --git a/src/util/build_config.h b/src/util/build_config.h
index 139f97a..63ca16e 100644
--- a/src/util/build_config.h
+++ b/src/util/build_config.h
@@ -62,8 +62,6 @@
 #else
 #error Please add support for your platform in build_config.h
 #endif
-// NOTE: Adding a new port? Please follow
-// https://chromium.googlesource.com/chromium/src/+/master/docs/new_port_policy.md
 
 // For access to standard BSD features, use OS_BSD instead of a
 // more specific macro.