diff --git a/.devcontainer b/.devcontainer
index 0d03862..da9c29c 160000
--- a/.devcontainer
+++ b/.devcontainer
@@ -1 +1 @@
-Subproject commit 0d038628fc3e615ac8f9b38f420052b29c03fa31
+Subproject commit da9c29c0e7ba983ea8ca0d5dfc1f4d7c7846a5d6
diff --git a/test/flatbuffers/CMakeLists.txt b/test/flatbuffers/CMakeLists.txt
index 7305b0b..34ff00c 100644
--- a/test/flatbuffers/CMakeLists.txt
+++ b/test/flatbuffers/CMakeLists.txt
@@ -2,10 +2,6 @@ set(pro flatbuffers)
 set(tgt ${pro}_test)
 set(fbs_srcs schema.fbs)
 add_executable(${tgt} ${pro}.cpp)
-set(xpfb ${flatbuffers_DIR}/../cmake/xpflatbuffers.cmake)
-if(NOT COMMAND xpFlatBuffersBuild AND EXISTS ${xpfb})
-  include(${xpfb})
-endif()
 if(TARGET flatbuffers)
   set(fb flatbuffers)
 elseif(TARGET flatbuffers::flatbuffers)