diff --git a/rust-bindings/rust/conf/ostree-sys.toml b/rust-bindings/rust/conf/ostree-sys.toml
index 09289318..d3ac4ba5 100644
--- a/rust-bindings/rust/conf/ostree-sys.toml
+++ b/rust-bindings/rust/conf/ostree-sys.toml
@@ -27,6 +27,9 @@ ignore = [
     "OSTree.VERSION",
     "OSTree.VERSION_S",
     "OSTree.YEAR_VERSION",
+
+    # build-dependent constants
+    "OSTree.BUILT_FEATURES",
 ]
 
 girs_dir = "../gir-files"