diff --git a/http_fetcher.h b/http_fetcher.h
index 8f0e453..07cebc9 100644
--- a/http_fetcher.h
+++ b/http_fetcher.h
@@ -119,9 +119,7 @@
 
   ProxyResolver* proxy_resolver() const { return proxy_resolver_; }
 
-  // These are used for testing:
-  virtual void SetBuildType(bool is_official) {}
-
+  // Returns the global SystemState.
   SystemState* GetSystemState() {
     return system_state_;
   }