diff --git a/README.md b/README.md
index 6138ae15..7beef6e0 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@ check out our [contribution policy].
 3. Add this to the top of your `src/lib.rs`:
 
   ```rust
-  #![feature(use_extern_macros, wasm_import_module)]
+  #![feature(use_extern_macros)]
 
   extern crate wasm_bindgen;
 
diff --git a/tests/fixtures/bad-cargo-toml/src/lib.rs b/tests/fixtures/bad-cargo-toml/src/lib.rs
index 7a78993b..0221c6b6 100644
--- a/tests/fixtures/bad-cargo-toml/src/lib.rs
+++ b/tests/fixtures/bad-cargo-toml/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(use_extern_macros, wasm_import_module)]
+#![feature(use_extern_macros)]
 
 extern crate wasm_bindgen;
 
diff --git a/tests/fixtures/js-hello-world/src/lib.rs b/tests/fixtures/js-hello-world/src/lib.rs
index 782bccdb..1785f72e 100644
--- a/tests/fixtures/js-hello-world/src/lib.rs
+++ b/tests/fixtures/js-hello-world/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(use_extern_macros, wasm_import_module)]
+#![feature(use_extern_macros)]
 
 extern crate wasm_bindgen;
 
diff --git a/tests/fixtures/no-compile/src/lib.rs b/tests/fixtures/no-compile/src/lib.rs
index 65e6b3ef..6a78a8eb 100644
--- a/tests/fixtures/no-compile/src/lib.rs
+++ b/tests/fixtures/no-compile/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(use_extern_macros, wasm_import_module)]
+#![feature(use_extern_macros)]
 
 extern crate wasm_bindgen;
 
diff --git a/tests/fixtures/no-readme/src/lib.rs b/tests/fixtures/no-readme/src/lib.rs
index 7a78993b..0221c6b6 100644
--- a/tests/fixtures/no-readme/src/lib.rs
+++ b/tests/fixtures/no-readme/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(use_extern_macros, wasm_import_module)]
+#![feature(use_extern_macros)]
 
 extern crate wasm_bindgen;
 
diff --git a/tests/fixtures/scopes/src/lib.rs b/tests/fixtures/scopes/src/lib.rs
index 7a78993b..0221c6b6 100644
--- a/tests/fixtures/scopes/src/lib.rs
+++ b/tests/fixtures/scopes/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(use_extern_macros, wasm_import_module)]
+#![feature(use_extern_macros)]
 
 extern crate wasm_bindgen;
 
diff --git a/tests/fixtures/serde-feature/src/lib.rs b/tests/fixtures/serde-feature/src/lib.rs
index 9e44b28c..0221c6b6 100644
--- a/tests/fixtures/serde-feature/src/lib.rs
+++ b/tests/fixtures/serde-feature/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(proc_macro, wasm_import_module, wasm_custom_section)]
+#![feature(use_extern_macros)]
 
 extern crate wasm_bindgen;