diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index 522aa1eec3..9f89cfc1f5 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -68,9 +68,7 @@ if (mbedtls_ADDED)
     elseif(CXX_CLANG)
         foreach(TARGET mbedtls mbedcrypto mbedx509)
             target_compile_options(${TARGET} PRIVATE
-                -Wno-switch-default
-                -Wno-undef
-                -Wno-unused-macros
+                -w
             )
         endforeach()
     endif()