diff --git a/Stream_lines_2/demo/Stream_lines_2/CMakeLists.txt b/Stream_lines_2/demo/Stream_lines_2/Qt3/CMakeLists.txt
similarity index 100%
rename from Stream_lines_2/demo/Stream_lines_2/CMakeLists.txt
rename to Stream_lines_2/demo/Stream_lines_2/Qt3/CMakeLists.txt
diff --git a/Stream_lines_2/demo/Stream_lines_2/streamlines.cpp b/Stream_lines_2/demo/Stream_lines_2/Qt3/streamlines.cpp
similarity index 100%
rename from Stream_lines_2/demo/Stream_lines_2/streamlines.cpp
rename to Stream_lines_2/demo/Stream_lines_2/Qt3/streamlines.cpp
diff --git a/Stream_lines_2/dont_submit b/Stream_lines_2/dont_submit
new file mode 100644
index 00000000000..041bc8e2d98
--- /dev/null
+++ b/Stream_lines_2/dont_submit
@@ -0,0 +1 @@
+Qt3