diff --git a/cef3/cef.gypi b/cef3/cef.gypi
index c3f8cce3d..924bb1d9e 100644
--- a/cef3/cef.gypi
+++ b/cef3/cef.gypi
@@ -18,5 +18,11 @@
         'clang_use_chrome_plugins': 0,
       }],
     ]
-  },
+  }, 'conditions': [
+    ['os_posix==1 and OS!="mac" and OS!="android"', {
+      'target_defaults': {
+        'cflags_cc': ['-Wno-deprecated-declarations'],
+      },
+    }],
+  ]
 }
diff --git a/cef3/libcef/browser/url_request_context_getter.h b/cef3/libcef/browser/url_request_context_getter.h
index 1bffe4568..4aeb604b3 100644
--- a/cef3/libcef/browser/url_request_context_getter.h
+++ b/cef3/libcef/browser/url_request_context_getter.h
@@ -28,6 +28,7 @@ class URLRequestJobFactory;
 class URLSecurityManager;
 }
 
+/*
 // Classes used in network request processing:
 //
 // RC = net::URLRequestContext
@@ -66,6 +67,7 @@ class URLSecurityManager;
 // CefBrowserHostImpl -ref-> RCGP----/           /
 //             ^                                /
 //              \-ref--------------------------/
+*/
 
 class CefURLRequestContextGetter : public net::URLRequestContextGetter {
  public: