diff --git a/crates/ide_assists/src/handlers/generate_getter.rs b/crates/ide_assists/src/handlers/generate_getter.rs
index c6e979c072c..2e81dd13f41 100644
--- a/crates/ide_assists/src/handlers/generate_getter.rs
+++ b/crates/ide_assists/src/handlers/generate_getter.rs
@@ -39,6 +39,7 @@ use crate::{
 //
 // impl Person {
 //     /// Get a reference to the person's name.
+//     #[must_use]
 //     fn $0name(&self) -> &str {
 //         self.name.as_ref()
 //     }
@@ -65,6 +66,7 @@ pub(crate) fn generate_getter(acc: &mut Assists, ctx: &AssistContext) -> Option<
 //
 // impl Person {
 //     /// Get a mutable reference to the person's name.
+//     #[must_use]
 //     fn $0name_mut(&mut self) -> &mut String {
 //         &mut self.name
 //     }
@@ -143,6 +145,7 @@ pub(crate) fn generate_getter_impl(
             format_to!(
                 buf,
                 "    /// Get {}the {}'s {}.
+    #[must_use]
     {}fn {}(&{}self) -> {} {{
         {}
     }}",
@@ -195,6 +198,7 @@ struct Context {
 
 impl Context {
     /// Get a reference to the context's data.
+    #[must_use]
     fn $0data(&self) -> &Data {
         &self.data
     }
@@ -216,6 +220,7 @@ struct Context {
 
 impl Context {
     /// Get a mutable reference to the context's data.
+    #[must_use]
     fn $0data_mut(&mut self) -> &mut Data {
         &mut self.data
     }
@@ -249,6 +254,7 @@ struct Context {
 }
 
 impl Context {
+    #[must_use]
     fn data_mut(&mut self) -> &mut Data {
         &mut self.data
     }
@@ -273,6 +279,7 @@ pub(crate) struct Context {
 
 impl Context {
     /// Get a reference to the context's data.
+    #[must_use]
     pub(crate) fn $0data(&self) -> &Data {
         &self.data
     }
@@ -293,6 +300,7 @@ struct Context {
 
 impl Context {
     /// Get a reference to the context's data.
+    #[must_use]
     fn data(&self) -> &Data {
         &self.data
     }
@@ -306,11 +314,13 @@ struct Context {
 
 impl Context {
     /// Get a reference to the context's data.
+    #[must_use]
     fn data(&self) -> &Data {
         &self.data
     }
 
     /// Get a reference to the context's count.
+    #[must_use]
     fn $0count(&self) -> &usize {
         &self.count
     }
@@ -337,6 +347,7 @@ struct S { foo: String }
 
 impl S {
     /// Get a reference to the s's foo.
+    #[must_use]
     fn $0foo(&self) -> &String {
         &self.foo
     }
@@ -361,6 +372,7 @@ struct S { foo: bool }
 
 impl S {
     /// Get the s's foo.
+    #[must_use]
     fn $0foo(&self) -> bool {
         self.foo
     }
@@ -394,6 +406,7 @@ struct S { foo: String }
 
 impl S {
     /// Get a reference to the s's foo.
+    #[must_use]
     fn $0foo(&self) -> &str {
         self.foo.as_ref()
     }
@@ -431,6 +444,7 @@ struct S { foo: Box<Sweets> }
 
 impl S {
     /// Get a reference to the s's foo.
+    #[must_use]
     fn $0foo(&self) -> &Sweets {
         self.foo.as_ref()
     }
@@ -464,6 +478,7 @@ struct S { foo: Vec<()> }
 
 impl S {
     /// Get a reference to the s's foo.
+    #[must_use]
     fn $0foo(&self) -> &[()] {
         self.foo.as_ref()
     }
@@ -487,6 +502,7 @@ struct S { foo: Option<Failure> }
 
 impl S {
     /// Get a reference to the s's foo.
+    #[must_use]
     fn $0foo(&self) -> Option<&Failure> {
         self.foo.as_ref()
     }
@@ -510,6 +526,7 @@ struct Context {
 
 impl Context {
     /// Get a reference to the context's data.
+    #[must_use]
     fn $0data(&self) -> Result<&bool, &i32> {
         self.data.as_ref()
     }
diff --git a/crates/ide_assists/src/handlers/generate_new.rs b/crates/ide_assists/src/handlers/generate_new.rs
index 6a1f710f6d5..eb9f1d04e19 100644
--- a/crates/ide_assists/src/handlers/generate_new.rs
+++ b/crates/ide_assists/src/handlers/generate_new.rs
@@ -23,6 +23,7 @@ use crate::{
 // }
 //
 // impl<T: Clone> Ctx<T> {
+//     #[must_use]
 //     fn $0new(data: T) -> Self { Self { data } }
 // }
 // ```
@@ -54,7 +55,13 @@ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext) -> Option<()>
             .format(", ");
         let fields = field_list.fields().filter_map(|f| f.name()).format(", ");
 
-        format_to!(buf, "    {}fn new({}) -> Self {{ Self {{ {} }} }}", vis, params, fields);
+        format_to!(
+            buf,
+            "    #[must_use]\n    {}fn new({}) -> Self {{ Self {{ {} }} }}",
+            vis,
+            params,
+            fields
+        );
 
         let start_offset = impl_def
             .and_then(|impl_def| find_impl_block_start(impl_def, &mut buf))
@@ -90,6 +97,7 @@ struct Foo {$0}
 struct Foo {}
 
 impl Foo {
+    #[must_use]
     fn $0new() -> Self { Self {  } }
 }
 "#,
@@ -103,6 +111,7 @@ struct Foo<T: Clone> {$0}
 struct Foo<T: Clone> {}
 
 impl<T: Clone> Foo<T> {
+    #[must_use]
     fn $0new() -> Self { Self {  } }
 }
 "#,
@@ -116,6 +125,7 @@ struct Foo<'a, T: Foo<'a>> {$0}
 struct Foo<'a, T: Foo<'a>> {}
 
 impl<'a, T: Foo<'a>> Foo<'a, T> {
+    #[must_use]
     fn $0new() -> Self { Self {  } }
 }
 "#,
@@ -129,6 +139,7 @@ struct Foo { baz: String $0}
 struct Foo { baz: String }
 
 impl Foo {
+    #[must_use]
     fn $0new(baz: String) -> Self { Self { baz } }
 }
 "#,
@@ -142,6 +153,7 @@ struct Foo { baz: String, qux: Vec<i32> $0}
 struct Foo { baz: String, qux: Vec<i32> }
 
 impl Foo {
+    #[must_use]
     fn $0new(baz: String, qux: Vec<i32>) -> Self { Self { baz, qux } }
 }
 "#,
@@ -159,6 +171,7 @@ struct Foo { pub baz: String, pub qux: Vec<i32> $0}
 struct Foo { pub baz: String, pub qux: Vec<i32> }
 
 impl Foo {
+    #[must_use]
     fn $0new(baz: String, qux: Vec<i32>) -> Self { Self { baz, qux } }
 }
 "#,
@@ -178,6 +191,7 @@ impl Foo {}
 struct Foo {}
 
 impl Foo {
+    #[must_use]
     fn $0new() -> Self { Self {  } }
 }
 "#,
@@ -195,6 +209,7 @@ impl Foo {
 struct Foo {}
 
 impl Foo {
+    #[must_use]
     fn $0new() -> Self { Self {  } }
 
     fn qux(&self) {}
@@ -218,6 +233,7 @@ impl Foo {
 struct Foo {}
 
 impl Foo {
+    #[must_use]
     fn $0new() -> Self { Self {  } }
 
     fn qux(&self) {}
@@ -240,6 +256,7 @@ pub struct Foo {$0}
 pub struct Foo {}
 
 impl Foo {
+    #[must_use]
     pub fn $0new() -> Self { Self {  } }
 }
 "#,
@@ -253,6 +270,7 @@ pub(crate) struct Foo {$0}
 pub(crate) struct Foo {}
 
 impl Foo {
+    #[must_use]
     pub(crate) fn $0new() -> Self { Self {  } }
 }
 "#,
@@ -348,6 +366,7 @@ pub struct Source<T> {
 }
 
 impl<T> Source<T> {
+    #[must_use]
     pub fn $0new(file_id: HirFileId, ast: T) -> Self { Self { file_id, ast } }
 
     pub fn map<F: FnOnce(T) -> U, U>(self, f: F) -> Source<U> {
diff --git a/crates/ide_assists/src/tests/generated.rs b/crates/ide_assists/src/tests/generated.rs
index 485b807d055..53e5d085909 100644
--- a/crates/ide_assists/src/tests/generated.rs
+++ b/crates/ide_assists/src/tests/generated.rs
@@ -1036,6 +1036,7 @@ struct Person {
 
 impl Person {
     /// Get a reference to the person's name.
+    #[must_use]
     fn $0name(&self) -> &str {
         self.name.as_ref()
     }
@@ -1060,6 +1061,7 @@ struct Person {
 
 impl Person {
     /// Get a mutable reference to the person's name.
+    #[must_use]
     fn $0name_mut(&mut self) -> &mut String {
         &mut self.name
     }
@@ -1133,6 +1135,7 @@ struct Ctx<T: Clone> {
 }
 
 impl<T: Clone> Ctx<T> {
+    #[must_use]
     fn $0new(data: T) -> Self { Self { data } }
 }
 "#####,