diff --git a/clone.sh b/clone.sh
index 522eee7..81536fb 100755
--- a/clone.sh
+++ b/clone.sh
@@ -114,7 +114,7 @@
 MCUBOOT_NAME="mcuboot"
 
 PSA_ARCH_TESTS_PROJECT="${PSA_ARCH_TESTS_URL:-}"
-PSA_ARCH_TESTS_REFSPEC="${PSA_ARCH_TESTS_VERSION:-"$(parse_version config/config_base.cmake PSA_ARCH_TESTS_VERSION)"}"
+PSA_ARCH_TESTS_REFSPEC="${PSA_ARCH_TESTS_VERSION:-}"
 PSA_ARCH_TESTS_NAME="psa-arch-tests"
 
 QCBOR_PROJECT="${QCBOR_URL:-}"