diff --git a/library/bignum_core_invasive.h b/tf-psa-crypto/drivers/builtin/src/bignum_core_invasive.h
similarity index 100%
rename from library/bignum_core_invasive.h
rename to tf-psa-crypto/drivers/builtin/src/bignum_core_invasive.h
diff --git a/library/bignum_internal.h b/tf-psa-crypto/drivers/builtin/src/bignum_internal.h
similarity index 100%
rename from library/bignum_internal.h
rename to tf-psa-crypto/drivers/builtin/src/bignum_internal.h