Now that we support wrap-static-fns we no longer need the custom helper.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
 rust/bindgen_static_functions   | 2 ++
 rust/bindings/bindings_helper.h | 1 +
 rust/helpers/helpers.c          | 1 -
 rust/helpers/rbtree.c           | 9 ---------
 4 files changed, 3 insertions(+), 10 deletions(-)
 delete mode 100644 rust/helpers/rbtree.c

diff --git a/rust/bindgen_static_functions b/rust/bindgen_static_functions
index ded5b816f304..e464dc1f5682 100644
--- a/rust/bindgen_static_functions
+++ b/rust/bindgen_static_functions
@@ -13,3 +13,5 @@
 --allowlist-function kunit_get_current_test
 
 --allowlist-function kmap_local_page
+
+--allowlist-function rb_link_node
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index 452f8afc9b09..d7591b709407 100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -18,6 +18,7 @@
 #include <kunit/test-bug.h>
 #include <linux/mdio.h>
 #include <linux/phy.h>
+#include <linux/rbtree.h>
 #include <linux/refcount.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c
index 60b3fdc5c2de..39adea78a647 100644
--- a/rust/helpers/helpers.c
+++ b/rust/helpers/helpers.c
@@ -12,7 +12,6 @@
 #include "build_bug.c"
 #include "mutex.c"
 #include "page.c"
-#include "rbtree.c"
 #include "refcount.c"
 #include "signal.c"
 #include "slab.c"
diff --git a/rust/helpers/rbtree.c b/rust/helpers/rbtree.c
deleted file mode 100644
index 6d404b84a9b5..000000000000
--- a/rust/helpers/rbtree.c
+++ /dev/null
@@ -1,9 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-
-#include <linux/rbtree.h>
-
-void rust_helper_rb_link_node(struct rb_node *node, struct rb_node *parent,
-			      struct rb_node **rb_link)
-{
-	rb_link_node(node, parent, rb_link);
-}
-- 
2.47.0