diff --git a/lib/c-api/src/wasm_c_api/externals/function.rs b/lib/c-api/src/wasm_c_api/externals/function.rs
index 33d801ced..29e20adff 100644
--- a/lib/c-api/src/wasm_c_api/externals/function.rs
+++ b/lib/c-api/src/wasm_c_api/externals/function.rs
@@ -1,6 +1,6 @@
 use super::super::store::wasm_store_t;
 use super::super::trap::wasm_trap_t;
-use super::super::types::{wasm_functype_t, wasm_functype_t, wasm_valkind_enum};
+use super::super::types::{wasm_functype_t, wasm_valkind_enum};
 use super::super::value::{wasm_val_inner, wasm_val_t};
 use std::convert::TryInto;
 use std::ffi::c_void;