diff --git a/tests/scripts/test_config_script.py b/tests/scripts/test_config_script.py
index 0a93fa03e..a71b35792 100755
--- a/tests/scripts/test_config_script.py
+++ b/tests/scripts/test_config_script.py
@@ -128,7 +128,6 @@ def run_one(options, args):
 ### A list of symbols to test with set and unset.
 TEST_SYMBOLS = [
     'CUSTOM_OPTION',
-    'DOES_NOT_EXIST',
     'MBEDTLS_AES_C',
     'MBEDTLS_NO_UDBL_DIVISION',
     'MBEDTLS_PLATFORM_ZEROIZE_ALT',