diff --git a/builds/Makefile b/builds/Makefile
index 4676d70d3b..15bfc06bcd 100644
--- a/builds/Makefile
+++ b/builds/Makefile
@@ -185,6 +185,7 @@ $(2)_CONFIGURE_FLAGS = \
 	--disable-iconv \
 	--disable-mcs-build \
 	--disable-boehm \
+	--disable-blts \
 	$(XAMARIN_CONFIGURE_FLAGS) \
 
 $(2)_ACVARS = $(COMMON_ACVARS)