2 files changed, 7 insertions, 10 deletions

diff --git a/crates/ra_cfg/src/cfg_expr.rs b/crates/ra_cfg/src/cfg_expr.rs
index 39d71851c..85b100c6a 100644
--- a/crates/ra_cfg/src/cfg_expr.rs
+++ b/crates/ra_cfg/src/cfg_expr.rs
@@ -88,13 +88,17 @@ fn next_cfg_expr(it: &mut SliceIter<tt::TokenTree>) -> Option<CfgExpr> {
 mod tests {
     use super::*;
 
-    use mbe::ast_to_token_tree;
+    use mbe::{ast_to_token_tree, TokenMap};
     use ra_syntax::ast::{self, AstNode};
 
-    fn assert_parse_result(input: &str, expected: CfgExpr) {
+    fn get_token_tree_generated(input: &str) -> (tt::Subtree, TokenMap) {
         let source_file = ast::SourceFile::parse(input).ok().unwrap();
         let tt = source_file.syntax().descendants().find_map(ast::TokenTree::cast).unwrap();
-        let (tt, _) = ast_to_token_tree(&tt).unwrap();
+        ast_to_token_tree(&tt).unwrap()
+    }
+
+    fn assert_parse_result(input: &str, expected: CfgExpr) {
+        let (tt, _) = get_token_tree_generated(input);
         assert_eq!(parse_cfg(&tt), expected);
     }
 
diff --git a/crates/ra_cfg/src/lib.rs b/crates/ra_cfg/src/lib.rs
index 51d953f6e..57feabcb2 100644
--- a/crates/ra_cfg/src/lib.rs
+++ b/crates/ra_cfg/src/lib.rs
@@ -2,8 +2,6 @@
 
 mod cfg_expr;
 
-use std::iter::IntoIterator;
-
 use ra_syntax::SmolStr;
 use rustc_hash::FxHashSet;
 
@@ -48,9 +46,4 @@ impl CfgOptions {
     pub fn insert_key_value(&mut self, key: SmolStr, value: SmolStr) {
         self.key_values.insert((key, value));
     }
-
-    /// Shortcut to set features
-    pub fn insert_features(&mut self, iter: impl IntoIterator<Item = SmolStr>) {
-        iter.into_iter().for_each(|feat| self.insert_key_value("feature".into(), feat));
-    }
 }