2 files changed, 13 insertions, 41 deletions

diff --git a/crates/ide_completion/src/completions/keyword.rs b/crates/ide_completion/src/completions/keyword.rs
index ba13d3707..0fccbeccf 100644
--- a/crates/ide_completion/src/completions/keyword.rs
+++ b/crates/ide_completion/src/completions/keyword.rs
@@ -536,17 +536,11 @@ Some multi-line comment$0
     fn test_completion_await_impls_future() {
         check(
             r#"
-//- /main.rs crate:main deps:std
-use std::future::*;
+//- minicore: future
+use core::future::*;
 struct A {}
 impl Future for A {}
 fn foo(a: A) { a.$0 }
-
-//- /std/lib.rs crate:std
-pub mod future {
-    #[lang = "future_trait"]
-    pub trait Future {}
-}
 "#,
             expect![[r#"
                 kw await expr.await
@@ -555,20 +549,12 @@ pub mod future {
 
         check(
             r#"
-//- /main.rs crate:main deps:std
+//- minicore: future
 use std::future::*;
 fn foo() {
     let a = async {};
     a.$0
 }
-
-//- /std/lib.rs crate:std
-pub mod future {
-    #[lang = "future_trait"]
-    pub trait Future {
-        type Output;
-    }
-}
 "#,
             expect![[r#"
                 kw await expr.await
diff --git a/crates/ide_completion/src/render.rs b/crates/ide_completion/src/render.rs
index add296124..70bf26cf4 100644
--- a/crates/ide_completion/src/render.rs
+++ b/crates/ide_completion/src/render.rs
@@ -1149,16 +1149,11 @@ fn main() {
     fn suggest_deref() {
         check_relevance(
             r#"
-#[lang = "deref"]
-trait Deref {
-    type Target;
-    fn deref(&self) -> &Self::Target;
-}
-
+//- minicore: deref
 struct S;
 struct T(S);
 
-impl Deref for T {
+impl core::ops::Deref for T {
     type Target = S;
 
     fn deref(&self) -> &Self::Target {
@@ -1182,8 +1177,9 @@ fn main() {
                 st T []
                 st S []
                 fn main() []
-                tt Deref []
                 fn foo(…) []
+                md core []
+                tt Sized []
             "#]],
         )
     }
@@ -1192,21 +1188,11 @@ fn main() {
     fn suggest_deref_mut() {
         check_relevance(
             r#"
-#[lang = "deref"]
-trait Deref {
-    type Target;
-    fn deref(&self) -> &Self::Target;
-}
-
-#[lang = "deref_mut"]
-pub trait DerefMut: Deref {
-    fn deref_mut(&mut self) -> &mut Self::Target;
-}
-
+//- minicore: deref_mut
 struct S;
 struct T(S);
 
-impl Deref for T {
+impl core::ops::Deref for T {
     type Target = S;
 
     fn deref(&self) -> &Self::Target {
@@ -1214,7 +1200,7 @@ impl Deref for T {
     }
 }
 
-impl DerefMut for T {
+impl core::ops::DerefMut for T {
     fn deref_mut(&mut self) -> &mut Self::Target {
         &mut self.0
     }
@@ -1233,12 +1219,12 @@ fn main() {
                 lc m [local]
                 lc t [local]
                 lc &mut t [type+local]
-                tt DerefMut []
-                tt Deref []
-                fn foo(…) []
                 st T []
                 st S []
                 fn main() []
+                fn foo(…) []
+                md core []
+                tt Sized []
             "#]],
         )
     }