diff --git a/meta/conf/distro/include/tcmode-external-csl.inc b/meta/conf/distro/include/tcmode-external-csl.inc
index 1fc366c..3b54e35 100644
--- a/meta/conf/distro/include/tcmode-external-csl.inc
+++ b/meta/conf/distro/include/tcmode-external-csl.inc
@@ -35,6 +35,10 @@ PREFERRED_PROVIDER_virtual/libiconv = "external-csl-toolchain"
 PREFERRED_PROVIDER_glibc-thread-db = "external-csl-toolchain"
 PREFERRED_PROVIDER_virtual/linux-libc-headers = "external-csl-toolchain"
 
+# No need to re-compile the locale files
+GLIBC_INTERNAL_USE_BINARY_LOCALE = "precompiled"
+ENABLE_BINARY_LOCALE_GENERATION = ""
+
 TARGET_CPPFLAGS_prepend = " -isystem${EXTERNAL_TOOLCHAIN}/${TARGET_SYS}/include "
 TARGET_LDFLAGS_prepend = " -L${EXTERNAL_TOOLCHAIN}/${TARGET_SYS}/lib -Wl,-rpath-link,${EXTERNAL_TOOLCHAIN}/${TARGET_SYS}/lib "