diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6cbc2a0..7a7a933 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,8 +59,9 @@ elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "MSVC")
 		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
 	endif()
 
-	# remove unreferenced objects, significantly reducing binary and debugsymbol sizes
-	add_link_options("/OPT:REF")
+	# remove unreferenced objects, reducing binary and debugsymbol sizes
+	# does not work !!! (it actually slightly increased the file size by <1%)
+	# add_link_options("/OPT:REF")
 endif()
 
 # cmake setup end
diff --git a/external/solanaceae_ngc_ft1 b/external/solanaceae_ngc_ft1
index 489556e..1efae93 160000
--- a/external/solanaceae_ngc_ft1
+++ b/external/solanaceae_ngc_ft1
@@ -1 +1 @@
-Subproject commit 489556e322c9f5608d3612fe88f31976d16ad6e9
+Subproject commit 1efae931d1286907b44c3ae587b58a6f05e0496e