diff --git a/decls/rust_rules.bzl b/decls/rust_rules.bzl
index 8c9381859..4b02f752e 100644
--- a/decls/rust_rules.bzl
+++ b/decls/rust_rules.bzl
@@ -32,7 +32,6 @@ def _rust_common_attributes(is_binary: bool):
         "resources": attrs.named_set(attrs.one_of(attrs.dep(), attrs.source()), sorted = True, default = []),
         "rustdoc_flags": attrs.list(attrs.arg(), default = []),
         "separate_debug_info": attrs.bool(default = False),
-        "version_universe": attrs.option(attrs.string(), default = None),
         "_exec_os_type": buck.exec_os_type_arg(),
         "_target_os_type": buck.target_os_type_arg(),
     }