diff --git a/recipes-ros/ros-comm/roscpp/0001-make-implicit-cast-explicit.patch b/recipes-ros/ros-comm/roscpp/0001-make-implicit-cast-explicit.patch
index 895dee6..0ea831e 100644
--- a/recipes-ros/ros-comm/roscpp/0001-make-implicit-cast-explicit.patch
+++ b/recipes-ros/ros-comm/roscpp/0001-make-implicit-cast-explicit.patch
@@ -1,3 +1,9 @@
+Upstream-Status: Inappropriate [upstream source code changed]
+
+The current upstream source code (in melodic-devel) changed, and for the indigo
+and kinetic releases, it is irrelevant to be submitted back and applied because
+boost will not be updated to 1.67 in the supported Debian/Ubuntu distributions.
+
 diff --git a/clients/roscpp/src/libros/callback_queue.cpp b/clients/roscpp/src/libros/callback_queue.cpp
 index cd2f4f8..fa600d5 100644
 --- a/clients/roscpp/src/libros/callback_queue.cpp