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-rw-r--r--compiler/rustc_builtin_macros/src/standard_library_imports.rs3
-rw-r--r--compiler/rustc_interface/src/passes.rs3
-rw-r--r--compiler/rustc_session/src/config.rs2
-rw-r--r--compiler/rustc_session/src/options.rs4
4 files changed, 2 insertions, 10 deletions
diff --git a/compiler/rustc_builtin_macros/src/standard_library_imports.rs b/compiler/rustc_builtin_macros/src/standard_library_imports.rs
index e106f6014a3..3571517d2b2 100644
--- a/compiler/rustc_builtin_macros/src/standard_library_imports.rs
+++ b/compiler/rustc_builtin_macros/src/standard_library_imports.rs
@@ -11,7 +11,6 @@ pub fn inject(
     mut krate: ast::Crate,
     resolver: &mut dyn ResolverExpand,
     sess: &Session,
-    alt_std_name: Option<Symbol>,
 ) -> ast::Crate {
     let edition = sess.parse_sess.edition;
 
@@ -53,7 +52,7 @@ pub fn inject(
                 span,
                 ident,
                 vec![cx.attribute(cx.meta_word(span, sym::macro_use))],
-                ast::ItemKind::ExternCrate(alt_std_name),
+                ast::ItemKind::ExternCrate(None),
             ),
         );
     }
diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs
index f5a4e11de16..66e1e78b285 100644
--- a/compiler/rustc_interface/src/passes.rs
+++ b/compiler/rustc_interface/src/passes.rs
@@ -286,8 +286,7 @@ pub fn configure_and_expand(
     rustc_builtin_macros::register_builtin_macros(resolver);
 
     krate = sess.time("crate_injection", || {
-        let alt_std_name = sess.opts.alt_std_name.as_ref().map(|s| Symbol::intern(s));
-        rustc_builtin_macros::standard_library_imports::inject(krate, resolver, sess, alt_std_name)
+        rustc_builtin_macros::standard_library_imports::inject(krate, resolver, sess)
     });
 
     util::check_attr_crate_type(sess, &krate.attrs, &mut resolver.lint_buffer());
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
index 8630ffec241..79962d5db89 100644
--- a/compiler/rustc_session/src/config.rs
+++ b/compiler/rustc_session/src/config.rs
@@ -770,7 +770,6 @@ impl Default for Options {
             externs: Externs(BTreeMap::new()),
             extern_dep_specs: ExternDepSpecs(BTreeMap::new()),
             crate_name: None,
-            alt_std_name: None,
             libs: Vec::new(),
             unstable_features: UnstableFeatures::Disallow,
             debug_assertions: true,
@@ -2382,7 +2381,6 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
         unstable_features: UnstableFeatures::from_environment(crate_name.as_deref()),
         extern_dep_specs,
         crate_name,
-        alt_std_name: None,
         libs,
         debug_assertions,
         actually_rustdoc: false,
diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs
index 550da9e0580..ae1b638c344 100644
--- a/compiler/rustc_session/src/options.rs
+++ b/compiler/rustc_session/src/options.rs
@@ -184,10 +184,6 @@ top_level_options!(
         externs: Externs [UNTRACKED],
         extern_dep_specs: ExternDepSpecs [UNTRACKED],
         crate_name: Option<String> [TRACKED],
-        /// An optional name to use as the crate for std during std injection,
-        /// written `extern crate name as std`. Defaults to `std`. Used by
-        /// out-of-tree drivers.
-        alt_std_name: Option<String> [TRACKED],
         /// Indicates how the compiler should treat unstable features.
         unstable_features: UnstableFeatures [TRACKED],