diff --git a/configs/qemu_microblazebe_mmu_defconfig b/configs/qemu_microblazebe_mmu_defconfig
index c0901432c0..f22243fcd1 100644
--- a/configs/qemu_microblazebe_mmu_defconfig
+++ b/configs/qemu_microblazebe_mmu_defconfig
@@ -2,13 +2,6 @@
 BR2_microblaze=y
 BR2_microblazebe=y
 
-# Special toolchain
-BR2_TOOLCHAIN_EXTERNAL=y
-BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEBE_V2=y
-BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
-BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
-BR2_TOOLCHAIN_EXTERNAL_CXX=y
-
 # System
 BR2_TARGET_GENERIC_GETTY_PORT="ttyUL0"
 
diff --git a/configs/qemu_microblazeel_mmu_defconfig b/configs/qemu_microblazeel_mmu_defconfig
index 7538d3f968..3d6daa2b35 100644
--- a/configs/qemu_microblazeel_mmu_defconfig
+++ b/configs/qemu_microblazeel_mmu_defconfig
@@ -2,13 +2,6 @@
 BR2_microblaze=y
 BR2_microblazeel=y
 
-# Toolchain
-BR2_TOOLCHAIN_EXTERNAL=y
-BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEEL_V2=y
-BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
-BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
-BR2_TOOLCHAIN_EXTERNAL_CXX=y
-
 # System
 BR2_TARGET_GENERIC_GETTY_PORT="ttyUL0"