diff --git a/scripts/build-unit-test-docker b/scripts/build-unit-test-docker
index c7a9036..d6e2405 100755
--- a/scripts/build-unit-test-docker
+++ b/scripts/build-unit-test-docker
@@ -218,7 +218,6 @@
         config_flags=[
             "-Dlibonly=true",
             "-Dtests=disabled",
-            f"-Dyamldir={prefix}/share/phosphor-dbus-yaml/yaml",
         ],
     ),
     "openbmc/phosphor-objmgr": PackageDef(