diff --git a/crates/ra_db/src/fixture.rs b/crates/ra_db/src/fixture.rs
index 3464f43dfb..5e3e9203cd 100644
--- a/crates/ra_db/src/fixture.rs
+++ b/crates/ra_db/src/fixture.rs
@@ -28,9 +28,9 @@ pub trait WithFixture: Default + SourceDatabaseExt + 'static {
         db
     }
 
-    fn with_position(fixture: &str) -> (Self, FilePosition) {
+    fn with_position(ra_fixture: &str) -> (Self, FilePosition) {
         let mut db = Self::default();
-        let pos = with_files(&mut db, fixture);
+        let pos = with_files(&mut db, ra_fixture);
         (db, pos.unwrap())
     }
 
diff --git a/crates/ra_hir_def/src/nameres/tests/incremental.rs b/crates/ra_hir_def/src/nameres/tests/incremental.rs
index 83f429c291..496fc6b081 100644
--- a/crates/ra_hir_def/src/nameres/tests/incremental.rs
+++ b/crates/ra_hir_def/src/nameres/tests/incremental.rs
@@ -4,8 +4,8 @@ use ra_db::SourceDatabaseExt;
 
 use super::*;
 
-fn check_def_map_is_not_recomputed(initial: &str, file_change: &str) {
-    let (mut db, pos) = TestDB::with_position(initial);
+fn check_def_map_is_not_recomputed(ra_fixture_initial: &str, ra_fixture_change: &str) {
+    let (mut db, pos) = TestDB::with_position(ra_fixture_initial);
     let krate = db.test_crate();
     {
         let events = db.log_executed(|| {
@@ -13,7 +13,7 @@ fn check_def_map_is_not_recomputed(initial: &str, file_change: &str) {
         });
         assert!(format!("{:?}", events).contains("crate_def_map"), "{:#?}", events)
     }
-    db.set_file_text(pos.file_id, Arc::new(file_change.to_string()));
+    db.set_file_text(pos.file_id, Arc::new(ra_fixture_change.to_string()));
 
     {
         let events = db.log_executed(|| {
@@ -26,7 +26,7 @@ fn check_def_map_is_not_recomputed(initial: &str, file_change: &str) {
 #[test]
 fn typing_inside_a_function_should_not_invalidate_def_map() {
     check_def_map_is_not_recomputed(
-        "
+        r"
         //- /lib.rs
         mod foo;<|>
 
@@ -41,7 +41,7 @@ fn typing_inside_a_function_should_not_invalidate_def_map() {
         //- /foo/bar.rs
         pub struct Baz;
         ",
-        "
+        r"
         mod foo;
 
         use crate::foo::bar::Baz;
@@ -54,7 +54,7 @@ fn typing_inside_a_function_should_not_invalidate_def_map() {
 #[test]
 fn adding_inner_items_should_not_invalidate_def_map() {
     check_def_map_is_not_recomputed(
-        "
+        r"
         //- /lib.rs
         struct S { a: i32}
         enum E { A }
@@ -72,7 +72,7 @@ fn adding_inner_items_should_not_invalidate_def_map() {
         //- /foo/bar.rs
         pub struct Baz;
         ",
-        "
+        r"
         struct S { a: i32, b: () }
         enum E { A, B }
         trait T {
@@ -92,7 +92,7 @@ fn adding_inner_items_should_not_invalidate_def_map() {
 #[test]
 fn typing_inside_a_macro_should_not_invalidate_def_map() {
     let (mut db, pos) = TestDB::with_position(
-        "
+        r"
         //- /lib.rs
         macro_rules! m {
             ($ident:ident) => {