1 files changed, 0 insertions, 38 deletions
diff --git a/components/script_plugins/utils.rs b/components/script_plugins/utils.rs
deleted file mode 100644
index 6815b7bb0a6..00000000000
--- a/components/script_plugins/utils.rs
+++ /dev/null
@@ -1,38 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
-
-use rustc::hir::def_id::DefId;
-use rustc::lint::LateContext;
-use syntax::source_map::{ExpnKind, MacroKind, Span};
-use syntax::symbol::Symbol;
-
-/// check if a DefId's path matches the given absolute type path
-/// usage e.g. with
-/// `match_def_path(cx, id, &["core", "option", "Option"])`
-pub fn match_def_path(cx: &LateContext, def_id: DefId, path: &[Symbol]) -> bool {
-    let krate = &cx.tcx.crate_name(def_id.krate);
-    if krate != &path[0] {
-        return false;
-    }
-
-    let path = &path[1..];
-    let other = cx.tcx.def_path(def_id).data;
-
-    if other.len() != path.len() {
-        return false;
-    }
-
-    other
-        .into_iter()
-        .zip(path)
-        .all(|(e, p)| e.data.as_interned_str().as_symbol() == *p)
-}
-
-pub fn in_derive_expn(span: Span) -> bool {
-    if let ExpnKind::Macro(MacroKind::Attr, n) = span.ctxt().outer_expn_data().kind {
-        n.as_str().contains("derive")
-    } else {
-        false
-    }
-}