diff --git a/doc/rust.texi b/doc/rust.texi
index df9f85a9f813..050b76eb15fa 100644
--- a/doc/rust.texi
+++ b/doc/rust.texi
@@ -636,7 +636,7 @@ The keywords are:
 @tab @code{if}
 @tab @code{pure}
 @tab @code{uint}
-@item @code{auth}
+@item @code{}
 @tab @code{export}
 @tab @code{import}
 @tab @code{resource}
diff --git a/src/comp/rustc.rc b/src/comp/rustc.rc
index 8f8a14145139..238030621fe5 100644
--- a/src/comp/rustc.rc
+++ b/src/comp/rustc.rc
@@ -127,10 +127,6 @@ mod util {
     mod filesearch;
 }
 
-auth middle::metadata = unsafe;
-auth middle::trans = unsafe;
-auth lib::llvm = unsafe;
-
 mod lib {
     mod llvm;
 }
diff --git a/src/comp/syntax/ast.rs b/src/comp/syntax/ast.rs
index 24bb3e8d68b3..dfebf9135fdf 100644
--- a/src/comp/syntax/ast.rs
+++ b/src/comp/syntax/ast.rs
@@ -62,7 +62,6 @@ tag crate_directive_ {
     cdir_dir_mod(ident, option::t<filename>, [@crate_directive], [attribute]);
     cdir_view_item(@view_item);
     cdir_syntax(path);
-    cdir_auth(path, _auth);
 }
 
 type crate_directive = spanned<crate_directive_>;
@@ -101,8 +100,6 @@ tag mutability { mut; imm; maybe_mut; }
 
 tag kind { kind_sendable; kind_copyable; kind_noncopyable; }
 
-tag _auth { auth_unsafe; }
-
 tag proto_sugar {
     sugar_normal;
     sugar_sexy;
diff --git a/src/comp/syntax/fold.rs b/src/comp/syntax/fold.rs
index 0eab97481bc3..956f9e538f06 100644
--- a/src/comp/syntax/fold.rs
+++ b/src/comp/syntax/fold.rs
@@ -168,7 +168,6 @@ fn noop_fold_crate_directive(cd: crate_directive_, fld: ast_fold) ->
           }
           cdir_view_item(vi) { cdir_view_item(fld.fold_view_item(vi)) }
           cdir_syntax(_) { cd }
-          cdir_auth(_, _) { cd }
         }
 }
 
diff --git a/src/comp/syntax/parse/eval.rs b/src/comp/syntax/parse/eval.rs
index 7e1e93d5b70a..2c1c0155cf05 100644
--- a/src/comp/syntax/parse/eval.rs
+++ b/src/comp/syntax/parse/eval.rs
@@ -133,7 +133,6 @@ fn eval_crate_directive(cx: ctx, cdir: @ast::crate_directive, prefix: str,
       }
       ast::cdir_view_item(vi) { view_items += [vi]; }
       ast::cdir_syntax(pth) { }
-      ast::cdir_auth(pth, eff) { }
     }
 }
 //
diff --git a/src/comp/syntax/parse/parser.rs b/src/comp/syntax/parse/parser.rs
index 02d907aba8c8..35c1e1190d3e 100644
--- a/src/comp/syntax/parse/parser.rs
+++ b/src/comp/syntax/parse/parser.rs
@@ -2112,12 +2112,6 @@ fn parse_item_tag(p: parser, attrs: [ast::attribute]) -> @ast::item {
     ret mk_item(p, lo, hi, id, ast::item_tag(variants, ty_params), attrs);
 }
 
-fn parse_auth(p: parser) -> ast::_auth {
-    if eat_word(p, "unsafe") {
-        ret ast::auth_unsafe;
-    } else { unexpected(p, p.peek()); }
-}
-
 fn parse_fn_item_proto(_p: parser) -> ast::proto {
     ast::proto_bare
 }
@@ -2529,13 +2523,6 @@ fn parse_crate_directive(p: parser, first_outer_attr: [ast::attribute]) ->
           }
           t { unexpected(p, t); }
         }
-    } else if eat_word(p, "auth") {
-        let n = parse_path(p);
-        expect(p, token::EQ);
-        let a = parse_auth(p);
-        let hi = p.get_hi_pos();
-        expect(p, token::SEMI);
-        ret spanned(lo, hi, ast::cdir_auth(n, a));
     } else if is_view_item(p) {
         let vi = parse_view_item(p);
         ret spanned(lo, vi.span.hi, ast::cdir_view_item(vi));
diff --git a/src/comp/syntax/visit.rs b/src/comp/syntax/visit.rs
index 48f5bd1329ff..7430c28b749f 100644
--- a/src/comp/syntax/visit.rs
+++ b/src/comp/syntax/visit.rs
@@ -64,7 +64,6 @@ fn visit_crate_directive<E>(cd: @crate_directive, e: E, v: vt<E>) {
       }
       cdir_view_item(vi) { v.visit_view_item(vi, e, v); }
       cdir_syntax(_) { }
-      cdir_auth(_, _) { }
     }
 }
 
diff --git a/src/lib/std.rc b/src/lib/std.rc
index ac15964c6fa8..1d1c69e7be4e 100644
--- a/src/lib/std.rc
+++ b/src/lib/std.rc
@@ -114,25 +114,6 @@ mod os = "linux_os.rs";
 #[cfg(target_os = "linux")]
 mod os_fs = "posix_fs.rs";
 
-
-// FIXME: This doesn't do anything.
-// Authorize various rule-bendings.
-
-auth io = unsafe;
-auth fs = unsafe;
-auth os_fs = unsafe;
-auth run = unsafe;
-auth str = unsafe;
-auth vec = unsafe;
-auth task = unsafe;
-
-auth dbg = unsafe;
-
-auth uint::next_power_of_two = unsafe;
-auth map::mk_hashmap = unsafe;
-auth rand::mk_rng = unsafe;
-
-
 // Local Variables:
 // mode: rust;
 // fill-column: 78;