diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index e4da7b659..6fe6d47f4 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -148,6 +148,10 @@ cp "$CONFIG_H" "$CONFIG_BAK"
 scripts/config.pl full
 scripts/config.pl unset MBEDTLS_PLATFORM_C
 scripts/config.pl unset MBEDTLS_PLATFORM_MEMORY
+scripts/config.pl unset MBEDTLS_PLATFORM_PRINTF_ALT
+scripts/config.pl unset MBEDTLS_PLATFORM_FPRINTF_ALT
+scripts/config.pl unset MBEDTLS_PLATFORM_SNPRINTF_ALT
+scripts/config.pl unset MBEDTLS_PLATFORM_EXIT_ALT
 scripts/config.pl unset MBEDTLS_MEMORY_BUFFER_ALLOC_C
 scripts/config.pl unset MBEDTLS_FS_IO
 CC=gcc CFLAGS='-Werror -O0' make