diff --git a/toolchain/helpers.mk b/toolchain/helpers.mk
index 24c482923a..08ee6060b0 100644
--- a/toolchain/helpers.mk
+++ b/toolchain/helpers.mk
@@ -307,7 +307,7 @@ check_uclibc = \
 	$(call check_uclibc_feature,__UCLIBC_HAS_LFS__,,$${UCLIBC_CONFIG_FILE},Large file support) ;\
 	$(call check_uclibc_feature,__UCLIBC_HAS_IPV6__,,$${UCLIBC_CONFIG_FILE},IPv6 support) ;\
 	$(call check_uclibc_feature,__UCLIBC_HAS_RPC__,BR2_TOOLCHAIN_HAS_NATIVE_RPC,$${UCLIBC_CONFIG_FILE},RPC support) ;\
-	$(call check_uclibc_feature,__UCLIBC_HAS_LOCALE__,BR2_ENABLE_LOCALE,$${UCLIBC_CONFIG_FILE},Locale support) ;\
+	$(call check_uclibc_feature,__UCLIBC_HAS_XLOCALE__,BR2_ENABLE_LOCALE,$${UCLIBC_CONFIG_FILE},Locale support) ;\
 	$(call check_uclibc_feature,__UCLIBC_HAS_WCHAR__,BR2_USE_WCHAR,$${UCLIBC_CONFIG_FILE},Wide char support) ;\
 	$(call check_uclibc_feature,__UCLIBC_HAS_THREADS__,BR2_TOOLCHAIN_HAS_THREADS,$${UCLIBC_CONFIG_FILE},Thread support) ;\
 	$(call check_uclibc_feature,__PTHREADS_DEBUG_SUPPORT__,BR2_TOOLCHAIN_HAS_THREADS_DEBUG,$${UCLIBC_CONFIG_FILE},Thread debugging support) ;\
diff --git a/toolchain/toolchain-external/toolchain-external-synopsys-arc/Config.in b/toolchain/toolchain-external/toolchain-external-synopsys-arc/Config.in
index c3483f331c..37c7b82644 100644
--- a/toolchain/toolchain-external/toolchain-external-synopsys-arc/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-synopsys-arc/Config.in
@@ -4,7 +4,6 @@ config BR2_TOOLCHAIN_EXTERNAL_SYNOPSYS_ARC
 	depends on BR2_HOSTARCH = "x86_64"
 	select BR2_TOOLCHAIN_EXTERNAL_UCLIBC
 	select BR2_INSTALL_LIBSTDCPP
-	select BR2_ENABLE_LOCALE
 	select BR2_USE_WCHAR
 	select BR2_TOOLCHAIN_HAS_THREADS
 	select BR2_TOOLCHAIN_HAS_THREADS_NPTL