diff --git a/crates/wasmtime/src/runtime/component/concurrent.rs b/crates/wasmtime/src/runtime/component/concurrent.rs
index 4b07832129f5..0e4f97570982 100644
--- a/crates/wasmtime/src/runtime/component/concurrent.rs
+++ b/crates/wasmtime/src/runtime/component/concurrent.rs
@@ -87,7 +87,7 @@ use std::vec::Vec;
 use table::{TableDebug, TableId};
 use wasmtime_environ::Trap;
 use wasmtime_environ::component::{
-    CanonicalAbiInfo, CanonicalOptions, CanonicalOptionsDataModel, ExportIndex, MAX_FLAT_PARAMS,
+    CanonicalAbiInfo, CanonicalOptions, CanonicalOptionsDataModel, MAX_FLAT_PARAMS,
     MAX_FLAT_RESULTS, OptionsIndex, PREPARE_ASYNC_NO_RESULT, PREPARE_ASYNC_WITH_RESULT,
     RuntimeComponentInstanceIndex, RuntimeTableIndex, StringEncoding,
     TypeComponentGlobalErrorContextTableIndex, TypeComponentLocalErrorContextTableIndex,
@@ -4369,8 +4369,6 @@ pub(crate) struct GuestTask {
     /// If present, a pending `Event::None` or `Event::Cancelled` to be
     /// delivered to this task.
     event: Option<Event>,
-    /// The `ExportIndex` of the guest function being called, if known.
-    function_index: Option<ExportIndex>,
     /// Whether or not the task has exited.
     exited: bool,
     /// Threads belonging to this task
@@ -4455,7 +4453,6 @@ impl GuestTask {
             sync_call_set,
             instance,
             event: None,
-            function_index: None,
             exited: false,
             threads: HashSet::new(),
             host_future_state,
@@ -5169,7 +5166,7 @@ pub(crate) fn prepare_call<T, R>(
     let (exit_tx, exit_rx) = oneshot::channel();
 
     let caller = state.guest_thread;
-    let mut task = GuestTask::new(
+    let task = GuestTask::new(
         state,
         Box::new(for_any_lower(move |store, params| {
             lower_params(handle, token.as_context_mut(store), params)
@@ -5204,7 +5201,6 @@ pub(crate) fn prepare_call<T, R>(
         },
         async_function,
     )?;
-    task.function_index = Some(handle.index());
 
     let task = state.push(task)?;
     let thread = state.push(GuestThread::new_implicit(task))?;
diff --git a/crates/wasmtime/src/runtime/component/func.rs b/crates/wasmtime/src/runtime/component/func.rs
index 481e0de6445d..b913fb7d2749 100644
--- a/crates/wasmtime/src/runtime/component/func.rs
+++ b/crates/wasmtime/src/runtime/component/func.rs
@@ -825,11 +825,6 @@ impl Func {
         self.instance
     }
 
-    #[cfg(feature = "component-model-async")]
-    pub(crate) fn index(self) -> ExportIndex {
-        self.index
-    }
-
     /// Creates a `LowerContext` using the configuration values of this lifted
     /// function.
     ///