diff --git a/tests/scripts/components-configuration-crypto.sh b/tests/scripts/components-configuration-crypto.sh
index cdef0d1..b2ea2b3 100644
--- a/tests/scripts/components-configuration-crypto.sh
+++ b/tests/scripts/components-configuration-crypto.sh
@@ -1429,6 +1429,7 @@
         scripts/config.py unset MBEDTLS_RSA_C
         scripts/config.py unset MBEDTLS_PKCS1_V15
         scripts/config.py unset MBEDTLS_PKCS1_V21
+        scripts/config.py unset MBEDTLS_GENPRIME
 
         # We need PEM parsing in the test library as well to support the import
         # of PEM encoded RSA keys.