diff --git a/toolchain/toolchain-external/toolchain-external-synopsys-arc/Config.in b/toolchain/toolchain-external/toolchain-external-synopsys-arc/Config.in
index 98bfc2513c..07688a1416 100644
--- a/toolchain/toolchain-external/toolchain-external-synopsys-arc/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-synopsys-arc/Config.in
@@ -5,6 +5,10 @@ config BR2_TOOLCHAIN_EXTERNAL_SYNOPSYS_ARC
 		BR2_archs4x_rel31 || BR2_archs4x
 	depends on BR2_HOSTARCH = "x86_64"
 	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_15
+	# The toolchains have libncurses and libexpat in their
+	# sysroot, confusing Buildroot and causing build
+	# issues. Disable until the toolchains get fixed.
+	depends on BR2_BROKEN
 	select BR2_INSTALL_LIBSTDCPP
 	select BR2_TOOLCHAIN_HAS_SSP
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_16