diff --git a/Makefile b/Makefile
index 4f625e9499b..2304081a8b3 100644
--- a/Makefile
+++ b/Makefile
@@ -404,6 +404,9 @@ build-wasmer-wasmi:
 build-wasmer-jsc:
 	$(CARGO_BINARY) build $(CARGO_TARGET_FLAG) --release --manifest-path lib/cli/Cargo.toml --no-default-features --features="jsc,wat" --bin wasmer --locked
 
+build-wasmer-api-js:
+	$(CARGO_BINARY) rustc --target wasm32-unknown-unknown --release --manifest-path lib/api/Cargo.toml --no-default-features --features "js, js-default, wasm-types-polyfill, enable-serde" --crate-type=cdylib --locked
+
 build-wasmer-debug:
 	$(CARGO_BINARY) build $(CARGO_TARGET_FLAG) --manifest-path lib/cli/Cargo.toml $(compiler_features) --bin wasmer --locked
 
diff --git a/lib/api/src/lib.rs b/lib/api/src/lib.rs
index ec69685a6d4..52b13c18e64 100644
--- a/lib/api/src/lib.rs
+++ b/lib/api/src/lib.rs
@@ -19,8 +19,6 @@
     clippy::unicode_not_nfc,
     clippy::use_self
 )]
-#![allow(deprecated_cfg_attr_crate_type_name)]
-#![cfg_attr(feature = "js", crate_type = "cdylib")]
 
 //! [`Wasmer`](https://wasmer.io/) is the most popular
 //! [WebAssembly](https://webassembly.org/) runtime for Rust. It supports