diff --git a/utils/build-presets.ini b/utils/build-presets.ini
index 41635df992913..52360949a0bcf 100644
--- a/utils/build-presets.ini
+++ b/utils/build-presets.ini
@@ -1293,6 +1293,10 @@ build-swift-stdlib-unittest-extra
 # Don't build the benchmarks
 skip-build-benchmarks
 
+# FIXME(NCG): Temporary additions for dev toolchain generation
+enable-experimental-noncopyable-generics=1
+bootstrapping=hosttools
+
 # When building for an Xcode toolchain, don't copy the Swift Resource/ directory
 # into the LLDB.framework. LLDB.framework will be installed alongside a Swift
 # compiler, so LLDB should use its resource directory directly.