diff --git a/src/rt/rust.cpp b/src/rt/rust.cpp
index b5af9eef1b3e..245b068df639 100644
--- a/src/rt/rust.cpp
+++ b/src/rt/rust.cpp
@@ -95,7 +95,7 @@ rust_start(uintptr_t main_fn, rust_crate const *crate, int argc,
     }
 
     if (log_rt_dwarf) {
-        rust_crate_reader create_reader(dom, crate);
+        rust_crate_reader create_reader(dom);
     }
 
     uintptr_t main_args[4] = {0, 0, 0, (uintptr_t)args->args};
diff --git a/src/rt/rust_crate_reader.cpp b/src/rt/rust_crate_reader.cpp
index bee15f50048e..15f4bc8c092e 100644
--- a/src/rt/rust_crate_reader.cpp
+++ b/src/rt/rust_crate_reader.cpp
@@ -61,8 +61,7 @@ rust_crate_reader::attr::is_unknown() const {
   return !(is_numeric() || is_string());
 }
 
-rust_crate_reader::rust_crate_reader(rust_dom *dom,
-                                     rust_crate const *crate)
+rust_crate_reader::rust_crate_reader(rust_dom *dom)
   : dom(dom)
 {
   DLOG(dom, mem, "crate_reader on crate: 0x%" PRIxPTR, this);
diff --git a/src/rt/rust_internal.h b/src/rt/rust_internal.h
index 0f8b10c2bb11..25eb9dbed485 100644
--- a/src/rt/rust_internal.h
+++ b/src/rt/rust_internal.h
@@ -352,7 +352,7 @@ public:
         bool is_unknown() const;
     };
 
-    rust_crate_reader(rust_dom *dom, rust_crate const *crate);
+    rust_crate_reader(rust_dom *dom);
 };
 
 // An alarm can be put into a wait queue and the task will be notified