diff --git a/rust/Makefile b/rust/Makefile
index 7c18b06d47e332..03962d693f33c3 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -296,7 +296,7 @@ rustc_host_target = $(shell $(RUSTC) --version --verbose | grep -F 'host: ' | cu
 RUST_LIB_SRC ?= $(rustc_sysroot)/lib/rustlib/src/rust/library
 
 rust-analyzer:
-	$(Q)$(srctree)/scripts/generate_rust_analyzer.py $(srctree) $(objtree) $(RUST_LIB_SRC) $(objtree)/rust/bindings_generated.rs > $(objtree)/rust-project.json
+	$(Q)$(srctree)/scripts/generate_rust_analyzer.py $(srctree) $(objtree) $(RUST_LIB_SRC) > $(objtree)/rust-project.json
 
 $(objtree)/rust/compiler_builtins.o: private rustc_objcopy = -w -W '__*'
 $(objtree)/rust/compiler_builtins.o: $(srctree)/rust/compiler_builtins.rs \
diff --git a/scripts/generate_rust_analyzer.py b/scripts/generate_rust_analyzer.py
index 72c453e1aea042..1beb5ee09251f8 100755
--- a/scripts/generate_rust_analyzer.py
+++ b/scripts/generate_rust_analyzer.py
@@ -8,7 +8,7 @@
 import pathlib
 import sys
 
-def generate_crates(srctree, objtree, sysroot_src, bindings_file):
+def generate_crates(srctree, objtree, sysroot_src):
     # Generate the configuration list.
     cfg = []
     with open(objtree / "include" / "generated" / "rustc_cfg") as fd:
@@ -23,12 +23,13 @@ def generate_crates(srctree, objtree, sysroot_src, bindings_file):
     crates = []
     crates_indexes = {}
 
-    def append_crate(display_name, root_module, is_workspace_member, deps, cfg):
+    def append_crate(display_name, root_module, deps, cfg=[], is_workspace_member=True, is_proc_macro=False):
         crates_indexes[display_name] = len(crates)
         crates.append({
             "display_name": display_name,
             "root_module": str(root_module),
             "is_workspace_member": is_workspace_member,
+            "is_proc_macro": is_proc_macro,
             "deps": [{"crate": crates_indexes[dep], "name": dep} for dep in deps],
             "cfg": cfg,
             "edition": "2018",
@@ -41,52 +42,43 @@ def append_crate(display_name, root_module, is_workspace_member, deps, cfg):
     append_crate(
         "core",
         sysroot_src / "core" / "src" / "lib.rs",
-        False,
-        [],
         [],
+        is_workspace_member=False,
     )
 
     append_crate(
         "compiler_builtins",
         srctree / "rust" / "compiler_builtins.rs",
-        True,
-        [],
         [],
     )
 
     append_crate(
         "alloc",
         srctree / "rust" / "alloc" / "lib.rs",
-        True,
         ["core", "compiler_builtins"],
-        [],
     )
 
     append_crate(
         "macros",
         srctree / "rust" / "macros" / "lib.rs",
-        True,
-        [],
         [],
+        is_proc_macro=True,
     )
     crates[-1]["proc_macro_dylib_path"] = "rust/libmacros.so"
 
     append_crate(
         "build_error",
         srctree / "rust" / "build_error.rs",
-        True,
         ["core", "compiler_builtins"],
-        [],
     )
 
     append_crate(
         "kernel",
         srctree / "rust" / "kernel" / "lib.rs",
-        True,
         ["core", "alloc", "macros", "build_error"],
-        cfg,
+        cfg=cfg,
     )
-    crates[-1]["env"]["RUST_BINDINGS_FILE"] = str(bindings_file.resolve(True))
+    crates[-1]["env"]["OBJTREE"] = str(objtree.resolve(True))
     crates[-1]["source"] = {
         "include_dirs": [
             str(srctree / "rust" / "kernel"),
@@ -111,9 +103,8 @@ def append_crate(display_name, root_module, is_workspace_member, deps, cfg):
             append_crate(
                 name,
                 path,
-                True,
                 ["core", "alloc", "kernel"],
-                cfg,
+                cfg=cfg,
             )
 
     return crates
@@ -124,7 +115,6 @@ def main():
     parser.add_argument("srctree", type=pathlib.Path)
     parser.add_argument("objtree", type=pathlib.Path)
     parser.add_argument("sysroot_src", type=pathlib.Path)
-    parser.add_argument("bindings_file", type=pathlib.Path)
     args = parser.parse_args()
 
     logging.basicConfig(
@@ -133,7 +123,7 @@ def main():
     )
 
     rust_project = {
-        "crates": generate_crates(args.srctree, args.objtree, args.sysroot_src, args.bindings_file),
+        "crates": generate_crates(args.srctree, args.objtree, args.sysroot_src),
         "sysroot_src": str(args.sysroot_src),
     }