diff --git a/boot/grub2/Config.in b/boot/grub2/Config.in
index d27cb4cd50..1301b5b80d 100644
--- a/boot/grub2/Config.in
+++ b/boot/grub2/Config.in
@@ -1,4 +1,9 @@
 config BR2_TARGET_GRUB2
 	bool "grub2"
+	# Only supports PC, Mac (Power, x86 and x86-64), Pegasos
+	depends on BR2_i386 || BR2_powerpc
+	# Build process is broken (./configure doesn't work, Ruby
+	# required, etc.)
+	depends on BROKEN
 	help
 	  The GRand Unified Bootloader for x86 systems, take #2.