diff --git a/toolchain/Config.in b/toolchain/Config.in
index 2f4709a421..849b8e3f8c 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -10,6 +10,7 @@ choice
 
 config BR2_TOOLCHAIN_BUILDROOT
 	bool "Buildroot toolchain"
+	depends on !BR2_microblaze
 	select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS
 	select BR2_TOOLCHAIN_HAS_THREADS_DEBUG_IF_NEEDED
 
@@ -22,6 +23,7 @@ config BR2_TOOLCHAIN_EXTERNAL
 
 config BR2_TOOLCHAIN_CTNG
 	bool "Crosstool-NG toolchain"
+	depends on !BR2_microblaze
 	select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS
 	select BR2_TOOLCHAIN_HAS_THREADS_DEBUG_IF_NEEDED
 	help