diff --git a/crates/c_api/src/frame.rs b/crates/c_api/src/frame.rs
index cdf6d887f7..84217651cf 100644
--- a/crates/c_api/src/frame.rs
+++ b/crates/c_api/src/frame.rs
@@ -70,7 +70,7 @@ pub extern "C" fn wasm_frame_module_offset(_frame: &wasm_frame_t<'_>) -> usize {
 ///
 /// This API is unsupported and will panic upon use.
 #[no_mangle]
-#[cfg_attr(feature = "prefix-symbols", export_name = "wasmi_wasm_frame_copy<'a>")]
+#[cfg_attr(feature = "prefix-symbols", export_name = "wasmi_wasm_frame_copy")]
 pub extern "C" fn wasm_frame_copy<'a>(_frame: &wasm_frame_t<'a>) -> Box<wasm_frame_t<'a>> {
     unimplemented!("wasm_frame_copy")
 }
diff --git a/crates/c_api/src/trap.rs b/crates/c_api/src/trap.rs
index 0ff3877a5f..8412aad56f 100644
--- a/crates/c_api/src/trap.rs
+++ b/crates/c_api/src/trap.rs
@@ -103,7 +103,7 @@ pub extern "C" fn wasm_trap_origin(_raw: &wasm_trap_t) -> Option<Box<wasm_frame_
 ///
 /// This API is unsupported and will panic upon use.
 #[no_mangle]
-#[cfg_attr(feature = "prefix-symbols", export_name = "wasmi_wasm_trap_trace<'a>")]
+#[cfg_attr(feature = "prefix-symbols", export_name = "wasmi_wasm_trap_trace")]
 pub extern "C" fn wasm_trap_trace<'a>(_raw: &'a wasm_trap_t, _out: &mut wasm_frame_vec_t<'a>) {
     unimplemented!("wasm_trap_trace")
 }