diff --git a/crates/hir-def/src/expr_store/lower/generics.rs b/crates/hir-def/src/expr_store/lower/generics.rs
index 42c85571f646..02a1d274fb5e 100644
--- a/crates/hir-def/src/expr_store/lower/generics.rs
+++ b/crates/hir-def/src/expr_store/lower/generics.rs
@@ -270,7 +270,7 @@ impl GenericParamsCollector {
         let self_ = Name::new_symbol_root(sym::Self_);
         let idx = self.type_or_consts.alloc(
             TypeParamData {
-                name: Some(self_.clone()),
+                name: Some(self_),
                 default: None,
                 provenance: TypeParamProvenance::TraitSelf,
             }
diff --git a/crates/hir-expand/src/attrs.rs b/crates/hir-expand/src/attrs.rs
index 107316239809..bb17eb062760 100644
--- a/crates/hir-expand/src/attrs.rs
+++ b/crates/hir-expand/src/attrs.rs
@@ -320,7 +320,7 @@ impl Attr {
     ) -> impl IntoIterator<Item = Self> {
         let is_cfg_attr = self.path.as_ident().is_some_and(|name| *name == sym::cfg_attr);
         if !is_cfg_attr {
-            return smallvec![self.clone()];
+            return smallvec![self];
         }
 
         let subtree = match self.token_tree_value() {
diff --git a/crates/hir-ty/src/dyn_compatibility.rs b/crates/hir-ty/src/dyn_compatibility.rs
index fecaafb4c2e8..106b996b13ef 100644
--- a/crates/hir-ty/src/dyn_compatibility.rs
+++ b/crates/hir-ty/src/dyn_compatibility.rs
@@ -515,7 +515,7 @@ fn receiver_is_dispatchable(
         trait_id: to_chalk_trait_id(trait_),
         substitution: Substitution::from_iter(
             Interner,
-            std::iter::once(unsized_self_ty.clone().cast(Interner))
+            std::iter::once(unsized_self_ty.cast(Interner))
                 .chain(placeholder_subst.iter(Interner).skip(1).cloned()),
         ),
     });
diff --git a/crates/hir-ty/src/infer/closure.rs b/crates/hir-ty/src/infer/closure.rs
index cf3b15d2a679..800897c6fc3a 100644
--- a/crates/hir-ty/src/infer/closure.rs
+++ b/crates/hir-ty/src/infer/closure.rs
@@ -127,7 +127,7 @@ impl InferenceContext<'_> {
         let prev_diverges = mem::replace(&mut self.diverges, Diverges::Maybe);
         let prev_closure = mem::replace(&mut self.current_closure, id);
         let prev_ret_ty = mem::replace(&mut self.return_ty, body_ret_ty.clone());
-        let prev_ret_coercion = self.return_coercion.replace(CoerceMany::new(body_ret_ty.clone()));
+        let prev_ret_coercion = self.return_coercion.replace(CoerceMany::new(body_ret_ty));
         let prev_resume_yield_tys = mem::replace(&mut self.resume_yield_tys, resume_yield_tys);
 
         self.with_breakable_ctx(BreakableKind::Border, None, None, |this| {
diff --git a/crates/hir-ty/src/infer/expr.rs b/crates/hir-ty/src/infer/expr.rs
index 5468254ab910..8084b394d044 100644
--- a/crates/hir-ty/src/infer/expr.rs
+++ b/crates/hir-ty/src/infer/expr.rs
@@ -827,9 +827,9 @@ impl InferenceContext<'_> {
                     }
                     let assoc = self.resolve_ops_index_output();
                     self.resolve_associated_type_with_params(
-                        self_ty.clone(),
+                        self_ty,
                         assoc,
-                        &[index_ty.clone().cast(Interner)],
+                        &[index_ty.cast(Interner)],
                     )
                 } else {
                     self.err_ty()
diff --git a/crates/hir-ty/src/infer/pat.rs b/crates/hir-ty/src/infer/pat.rs
index dc1de3b9e851..a9a3265858e4 100644
--- a/crates/hir-ty/src/infer/pat.rs
+++ b/crates/hir-ty/src/infer/pat.rs
@@ -435,7 +435,7 @@ impl InferenceContext<'_> {
         decl: Option<DeclContext>,
     ) -> Ty {
         let (expectation_type, expectation_lt) = match expected.as_reference() {
-            Some((inner_ty, lifetime, _exp_mut)) => (inner_ty.clone(), lifetime.clone()),
+            Some((inner_ty, lifetime, _exp_mut)) => (inner_ty.clone(), lifetime),
             None => {
                 let inner_ty = self.table.new_type_var();
                 let inner_lt = self.table.new_lifetime_var();
@@ -597,7 +597,7 @@ impl InferenceContext<'_> {
         let size = consteval::usize_const(self.db, Some(len as u128), self.owner.krate(self.db));
 
         let elem_ty = self.table.new_type_var();
-        let array_ty = TyKind::Array(elem_ty.clone(), size).intern(Interner);
+        let array_ty = TyKind::Array(elem_ty, size).intern(Interner);
         Some(array_ty)
     }
 
diff --git a/crates/hir-ty/src/infer/unify.rs b/crates/hir-ty/src/infer/unify.rs
index d921afeb9879..631b571465fe 100644
--- a/crates/hir-ty/src/infer/unify.rs
+++ b/crates/hir-ty/src/infer/unify.rs
@@ -1029,7 +1029,7 @@ impl<'a> InferenceTable<'a> {
         };
         let sized_pred = WhereClause::Implemented(TraitRef {
             trait_id: to_chalk_trait_id(sized),
-            substitution: Substitution::from1(Interner, ty.clone()),
+            substitution: Substitution::from1(Interner, ty),
         });
         let goal = GoalData::DomainGoal(chalk_ir::DomainGoal::Holds(sized_pred)).intern(Interner);
         matches!(self.try_obligation(goal), Some(Solution::Unique(_)))
diff --git a/crates/hir/src/lib.rs b/crates/hir/src/lib.rs
index d7754bf2e233..3f1d5bb01f2a 100644
--- a/crates/hir/src/lib.rs
+++ b/crates/hir/src/lib.rs
@@ -3685,24 +3685,16 @@ impl GenericDef {
         }
 
         let source_map = match def {
-            GenericDefId::AdtId(AdtId::EnumId(it)) => {
-                db.enum_signature_with_source_map(it).1.clone()
-            }
-            GenericDefId::AdtId(AdtId::StructId(it)) => {
-                db.struct_signature_with_source_map(it).1.clone()
-            }
-            GenericDefId::AdtId(AdtId::UnionId(it)) => {
-                db.union_signature_with_source_map(it).1.clone()
-            }
+            GenericDefId::AdtId(AdtId::EnumId(it)) => db.enum_signature_with_source_map(it).1,
+            GenericDefId::AdtId(AdtId::StructId(it)) => db.struct_signature_with_source_map(it).1,
+            GenericDefId::AdtId(AdtId::UnionId(it)) => db.union_signature_with_source_map(it).1,
             GenericDefId::ConstId(_) => return,
-            GenericDefId::FunctionId(it) => db.function_signature_with_source_map(it).1.clone(),
-            GenericDefId::ImplId(it) => db.impl_signature_with_source_map(it).1.clone(),
+            GenericDefId::FunctionId(it) => db.function_signature_with_source_map(it).1,
+            GenericDefId::ImplId(it) => db.impl_signature_with_source_map(it).1,
             GenericDefId::StaticId(_) => return,
-            GenericDefId::TraitAliasId(it) => {
-                db.trait_alias_signature_with_source_map(it).1.clone()
-            }
-            GenericDefId::TraitId(it) => db.trait_signature_with_source_map(it).1.clone(),
-            GenericDefId::TypeAliasId(it) => db.type_alias_signature_with_source_map(it).1.clone(),
+            GenericDefId::TraitAliasId(it) => db.trait_alias_signature_with_source_map(it).1,
+            GenericDefId::TraitId(it) => db.trait_signature_with_source_map(it).1,
+            GenericDefId::TypeAliasId(it) => db.type_alias_signature_with_source_map(it).1,
         };
 
         expr_store_diagnostics(db, acc, &source_map);
@@ -3802,7 +3794,7 @@ impl GenericSubstitution {
         container_params
             .chain(self_params)
             .filter_map(|(ty, name)| {
-                Some((name?.symbol().clone(), Type { ty: ty.clone(), env: self.env.clone() }))
+                Some((name?.symbol().clone(), Type { ty, env: self.env.clone() }))
             })
             .collect()
     }
diff --git a/crates/hir/src/semantics.rs b/crates/hir/src/semantics.rs
index 2e693559e292..4d092c1f0bb0 100644
--- a/crates/hir/src/semantics.rs
+++ b/crates/hir/src/semantics.rs
@@ -926,7 +926,7 @@ impl<'db> SemanticsImpl<'db> {
         token: InRealFile<SyntaxToken>,
         mut cb: impl FnMut(InFile<SyntaxToken>, SyntaxContext) -> ControlFlow<T>,
     ) -> Option<T> {
-        self.descend_into_macros_impl(token.clone(), &mut cb)
+        self.descend_into_macros_impl(token, &mut cb)
     }
 
     /// Descends the token into expansions, returning the tokens that matches the input
@@ -958,17 +958,13 @@ impl<'db> SemanticsImpl<'db> {
         let text = token.text();
         let kind = token.kind();
         if let Ok(token) = self.wrap_token_infile(token.clone()).into_real_file() {
-            self.descend_into_macros_breakable(
-                token.clone(),
-                |InFile { value, file_id: _ }, _ctx| {
-                    let mapped_kind = value.kind();
-                    let any_ident_match =
-                        || kind.is_any_identifier() && value.kind().is_any_identifier();
-                    let matches =
-                        (kind == mapped_kind || any_ident_match()) && text == value.text();
-                    if matches { ControlFlow::Break(value) } else { ControlFlow::Continue(()) }
-                },
-            )
+            self.descend_into_macros_breakable(token, |InFile { value, file_id: _ }, _ctx| {
+                let mapped_kind = value.kind();
+                let any_ident_match =
+                    || kind.is_any_identifier() && value.kind().is_any_identifier();
+                let matches = (kind == mapped_kind || any_ident_match()) && text == value.text();
+                if matches { ControlFlow::Break(value) } else { ControlFlow::Continue(()) }
+            })
         } else {
             None
         }
diff --git a/crates/hir/src/semantics/source_to_def.rs b/crates/hir/src/semantics/source_to_def.rs
index 466bf7f6c826..587c51d8cc99 100644
--- a/crates/hir/src/semantics/source_to_def.rs
+++ b/crates/hir/src/semantics/source_to_def.rs
@@ -559,7 +559,7 @@ impl SourceToDefCtx<'_, '_> {
             let item = match ast::Item::cast(value.clone()) {
                 Some(it) => it,
                 None => {
-                    let variant = ast::Variant::cast(value.clone())?;
+                    let variant = ast::Variant::cast(value)?;
                     return this
                         .enum_variant_to_def(InFile::new(file_id, &variant))
                         .map(Into::into);
diff --git a/crates/hir/src/source_analyzer.rs b/crates/hir/src/source_analyzer.rs
index 7d447116e088..c1a75ce7e574 100644
--- a/crates/hir/src/source_analyzer.rs
+++ b/crates/hir/src/source_analyzer.rs
@@ -1431,7 +1431,7 @@ impl SourceAnalyzer {
     }
 
     fn ty_of_expr(&self, expr: ast::Expr) -> Option<&Ty> {
-        self.infer()?.type_of_expr_or_pat(self.expr_id(expr.clone())?)
+        self.infer()?.type_of_expr_or_pat(self.expr_id(expr)?)
     }
 }
 
diff --git a/crates/ide-assists/src/handlers/convert_bool_then.rs b/crates/ide-assists/src/handlers/convert_bool_then.rs
index cd23ad223729..bcd06c1ef725 100644
--- a/crates/ide-assists/src/handlers/convert_bool_then.rs
+++ b/crates/ide-assists/src/handlers/convert_bool_then.rs
@@ -196,7 +196,7 @@ pub(crate) fn convert_bool_then_to_if(acc: &mut Assists, ctx: &AssistContext<'_>
             // Wrap all tails in `Some(...)`
             let none_path = mapless_make.expr_path(mapless_make.ident_path("None"));
             let some_path = mapless_make.expr_path(mapless_make.ident_path("Some"));
-            for_each_tail_expr(&ast::Expr::BlockExpr(closure_body.clone()), &mut |e| {
+            for_each_tail_expr(&ast::Expr::BlockExpr(closure_body), &mut |e| {
                 let e = match e {
                     ast::Expr::BreakExpr(e) => e.expr(),
                     ast::Expr::ReturnExpr(e) => e.expr(),
diff --git a/crates/ide-assists/src/handlers/convert_from_to_tryfrom.rs b/crates/ide-assists/src/handlers/convert_from_to_tryfrom.rs
index 24cc32d10d88..db41927f1df2 100644
--- a/crates/ide-assists/src/handlers/convert_from_to_tryfrom.rs
+++ b/crates/ide-assists/src/handlers/convert_from_to_tryfrom.rs
@@ -80,7 +80,7 @@ pub(crate) fn convert_from_to_tryfrom(acc: &mut Assists, ctx: &AssistContext<'_>
             let from_fn_name = builder.make_mut(from_fn_name);
             let tail_expr = builder.make_mut(tail_expr);
             let return_exprs = return_exprs.map(|r| builder.make_mut(r)).collect_vec();
-            let associated_items = builder.make_mut(associated_items).clone();
+            let associated_items = builder.make_mut(associated_items);
 
             ted::replace(
                 trait_ty.syntax(),
diff --git a/crates/ide-assists/src/handlers/generate_function.rs b/crates/ide-assists/src/handlers/generate_function.rs
index ba2b84a42c75..aac145a72150 100644
--- a/crates/ide-assists/src/handlers/generate_function.rs
+++ b/crates/ide-assists/src/handlers/generate_function.rs
@@ -392,14 +392,14 @@ impl FunctionBuilder {
                 // Focus the return type if there is one
                 match ret_type {
                     Some(ret_type) => {
-                        edit.add_placeholder_snippet(cap, ret_type.clone());
+                        edit.add_placeholder_snippet(cap, ret_type);
                     }
                     None => {
-                        edit.add_placeholder_snippet(cap, tail_expr.clone());
+                        edit.add_placeholder_snippet(cap, tail_expr);
                     }
                 }
             } else {
-                edit.add_placeholder_snippet(cap, tail_expr.clone());
+                edit.add_placeholder_snippet(cap, tail_expr);
             }
         }
 
diff --git a/crates/ide-assists/src/handlers/wrap_unwrap_cfg_attr.rs b/crates/ide-assists/src/handlers/wrap_unwrap_cfg_attr.rs
index 1068d5d4cd57..e1b94673e775 100644
--- a/crates/ide-assists/src/handlers/wrap_unwrap_cfg_attr.rs
+++ b/crates/ide-assists/src/handlers/wrap_unwrap_cfg_attr.rs
@@ -116,7 +116,7 @@ pub(crate) fn wrap_unwrap_cfg_attr(acc: &mut Assists, ctx: &AssistContext<'_>) -
             (Some(attr), Some(ident))
                 if attr.simple_name().map(|v| v.eq("derive")).unwrap_or_default() =>
             {
-                Some(attempt_get_derive(attr.clone(), ident))
+                Some(attempt_get_derive(attr, ident))
             }
 
             (Some(attr), _) => Some(WrapUnwrapOption::WrapAttr(attr)),
@@ -128,7 +128,7 @@ pub(crate) fn wrap_unwrap_cfg_attr(acc: &mut Assists, ctx: &AssistContext<'_>) -
             NodeOrToken::Node(node) => ast::Attr::cast(node).map(WrapUnwrapOption::WrapAttr),
             NodeOrToken::Token(ident) if ident.kind() == syntax::T![ident] => {
                 let attr = ident.parent_ancestors().find_map(ast::Attr::cast)?;
-                Some(attempt_get_derive(attr.clone(), ident))
+                Some(attempt_get_derive(attr, ident))
             }
             _ => None,
         }
@@ -233,7 +233,7 @@ fn wrap_cfg_attr(acc: &mut Assists, ctx: &AssistContext<'_>, attr: ast::Attr) ->
         if let Some(meta) = attr.meta() {
             if let (Some(eq), Some(expr)) = (meta.eq_token(), meta.expr()) {
                 raw_tokens.push(NodeOrToken::Token(make::tokens::whitespace(" ")));
-                raw_tokens.push(NodeOrToken::Token(eq.clone()));
+                raw_tokens.push(NodeOrToken::Token(eq));
                 raw_tokens.push(NodeOrToken::Token(make::tokens::whitespace(" ")));
 
                 expr.syntax().descendants_with_tokens().for_each(|it| {
diff --git a/crates/ide-completion/src/context/analysis.rs b/crates/ide-completion/src/context/analysis.rs
index 822dae2578e7..391e2379dcd5 100644
--- a/crates/ide-completion/src/context/analysis.rs
+++ b/crates/ide-completion/src/context/analysis.rs
@@ -387,11 +387,7 @@ fn expand(
 
     match (
         sema.expand_macro_call(&actual_macro_call),
-        sema.speculative_expand_macro_call(
-            &actual_macro_call,
-            &speculative_args,
-            fake_ident_token.clone(),
-        ),
+        sema.speculative_expand_macro_call(&actual_macro_call, &speculative_args, fake_ident_token),
     ) {
         // successful expansions
         (Some(actual_expansion), Some((fake_expansion, fake_mapped_tokens))) => {
diff --git a/crates/ide-db/src/items_locator.rs b/crates/ide-db/src/items_locator.rs
index e9385253250a..4b0a84a559e2 100644
--- a/crates/ide-db/src/items_locator.rs
+++ b/crates/ide-db/src/items_locator.rs
@@ -86,7 +86,7 @@ pub fn items_with_name_in_module<T>(
     let local_query = match name {
         NameToImport::Prefix(exact_name, case_sensitive)
         | NameToImport::Exact(exact_name, case_sensitive) => {
-            let mut local_query = symbol_index::Query::new(exact_name.clone());
+            let mut local_query = symbol_index::Query::new(exact_name);
             local_query.assoc_search_mode(assoc_item_search);
             if prefix {
                 local_query.prefix();
@@ -99,7 +99,7 @@ pub fn items_with_name_in_module<T>(
             local_query
         }
         NameToImport::Fuzzy(fuzzy_search_string, case_sensitive) => {
-            let mut local_query = symbol_index::Query::new(fuzzy_search_string.clone());
+            let mut local_query = symbol_index::Query::new(fuzzy_search_string);
             local_query.fuzzy();
             local_query.assoc_search_mode(assoc_item_search);
 
diff --git a/crates/ide-diagnostics/src/handlers/type_mismatch.rs b/crates/ide-diagnostics/src/handlers/type_mismatch.rs
index 8f6ed1a7bdbd..1db9b6d04944 100644
--- a/crates/ide-diagnostics/src/handlers/type_mismatch.rs
+++ b/crates/ide-diagnostics/src/handlers/type_mismatch.rs
@@ -195,7 +195,7 @@ fn remove_unnecessary_wrapper(
     let db = ctx.sema.db;
     let root = db.parse_or_expand(expr_ptr.file_id);
     let expr = expr_ptr.value.to_node(&root);
-    let expr = ctx.sema.original_ast_node(expr.clone())?;
+    let expr = ctx.sema.original_ast_node(expr)?;
 
     let Expr::CallExpr(call_expr) = expr else {
         return None;
diff --git a/crates/intern/src/symbol.rs b/crates/intern/src/symbol.rs
index 89c3be96fcb9..8b2d6e8717d2 100644
--- a/crates/intern/src/symbol.rs
+++ b/crates/intern/src/symbol.rs
@@ -163,28 +163,28 @@ impl Symbol {
 
     pub fn integer(i: usize) -> Self {
         match i {
-            0 => symbols::INTEGER_0.clone(),
-            1 => symbols::INTEGER_1.clone(),
-            2 => symbols::INTEGER_2.clone(),
-            3 => symbols::INTEGER_3.clone(),
-            4 => symbols::INTEGER_4.clone(),
-            5 => symbols::INTEGER_5.clone(),
-            6 => symbols::INTEGER_6.clone(),
-            7 => symbols::INTEGER_7.clone(),
-            8 => symbols::INTEGER_8.clone(),
-            9 => symbols::INTEGER_9.clone(),
-            10 => symbols::INTEGER_10.clone(),
-            11 => symbols::INTEGER_11.clone(),
-            12 => symbols::INTEGER_12.clone(),
-            13 => symbols::INTEGER_13.clone(),
-            14 => symbols::INTEGER_14.clone(),
-            15 => symbols::INTEGER_15.clone(),
+            0 => symbols::INTEGER_0,
+            1 => symbols::INTEGER_1,
+            2 => symbols::INTEGER_2,
+            3 => symbols::INTEGER_3,
+            4 => symbols::INTEGER_4,
+            5 => symbols::INTEGER_5,
+            6 => symbols::INTEGER_6,
+            7 => symbols::INTEGER_7,
+            8 => symbols::INTEGER_8,
+            9 => symbols::INTEGER_9,
+            10 => symbols::INTEGER_10,
+            11 => symbols::INTEGER_11,
+            12 => symbols::INTEGER_12,
+            13 => symbols::INTEGER_13,
+            14 => symbols::INTEGER_14,
+            15 => symbols::INTEGER_15,
             i => Symbol::intern(&format!("{i}")),
         }
     }
 
     pub fn empty() -> Self {
-        symbols::__empty.clone()
+        symbols::__empty
     }
 
     #[inline]
diff --git a/crates/load-cargo/src/lib.rs b/crates/load-cargo/src/lib.rs
index 3e52dbaea654..2686a75c7c86 100644
--- a/crates/load-cargo/src/lib.rs
+++ b/crates/load-cargo/src/lib.rs
@@ -292,7 +292,7 @@ impl ProjectFolders {
             };
 
             let file_set_roots = vec![VfsPath::from(ratoml_path.to_owned())];
-            let entry = vfs::loader::Entry::Files(vec![ratoml_path.to_owned()]);
+            let entry = vfs::loader::Entry::Files(vec![ratoml_path]);
 
             res.watch.push(res.load.len());
             res.load.push(entry);
diff --git a/crates/project-model/src/env.rs b/crates/project-model/src/env.rs
index f2e5df171ae3..e7293b0b2ef6 100644
--- a/crates/project-model/src/env.rs
+++ b/crates/project-model/src/env.rs
@@ -25,7 +25,7 @@ pub(crate) fn inject_cargo_package_env(env: &mut Env, package: &PackageData) {
     env.set("CARGO_PKG_VERSION_PATCH", package.version.patch.to_string());
     env.set("CARGO_PKG_VERSION_PRE", package.version.pre.to_string());
 
-    env.set("CARGO_PKG_AUTHORS", package.authors.join(":").clone());
+    env.set("CARGO_PKG_AUTHORS", package.authors.join(":"));
 
     env.set("CARGO_PKG_NAME", package.name.clone());
     env.set("CARGO_PKG_DESCRIPTION", package.description.as_deref().unwrap_or_default());
diff --git a/crates/project-model/src/workspace.rs b/crates/project-model/src/workspace.rs
index c6e0cf36aff2..eec0077ea6e2 100644
--- a/crates/project-model/src/workspace.rs
+++ b/crates/project-model/src/workspace.rs
@@ -1370,7 +1370,7 @@ fn detached_file_to_crate_graph(
         Edition::CURRENT,
         display_name.clone(),
         None,
-        cfg_options.clone(),
+        cfg_options,
         None,
         Env::default(),
         CrateOrigin::Local {
diff --git a/crates/query-group-macro/src/lib.rs b/crates/query-group-macro/src/lib.rs
index 357e56ddfaa0..ec4b6b2a4ac3 100644
--- a/crates/query-group-macro/src/lib.rs
+++ b/crates/query-group-macro/src/lib.rs
@@ -210,7 +210,7 @@ pub(crate) fn query_group_impl(
                 .into_iter()
                 .filter(|fn_arg| matches!(fn_arg, FnArg::Typed(_)))
                 .map(|fn_arg| match fn_arg {
-                    FnArg::Typed(pat_type) => pat_type.clone(),
+                    FnArg::Typed(pat_type) => pat_type,
                     FnArg::Receiver(_) => unreachable!("this should have been filtered out"),
                 })
                 .collect::<Vec<syn::PatType>>();
diff --git a/crates/rust-analyzer/src/cli/unresolved_references.rs b/crates/rust-analyzer/src/cli/unresolved_references.rs
index 1d4fbb942235..0362e13b88b7 100644
--- a/crates/rust-analyzer/src/cli/unresolved_references.rs
+++ b/crates/rust-analyzer/src/cli/unresolved_references.rs
@@ -30,7 +30,7 @@ impl flags::UnresolvedReferences {
         let root =
             vfs::AbsPathBuf::assert_utf8(std::env::current_dir()?.join(&self.path)).normalize();
         let config = crate::config::Config::new(
-            root.clone(),
+            root,
             lsp_types::ClientCapabilities::default(),
             vec![],
             None,
diff --git a/crates/rust-analyzer/src/config.rs b/crates/rust-analyzer/src/config.rs
index 9acbcc08a9dd..03e5b1f6f4b6 100644
--- a/crates/rust-analyzer/src/config.rs
+++ b/crates/rust-analyzer/src/config.rs
@@ -1183,7 +1183,7 @@ impl ConfigChange {
         source_root_map: Arc<FxHashMap<SourceRootId, SourceRootId>>,
     ) {
         assert!(self.source_map_change.is_none());
-        self.source_map_change = Some(source_root_map.clone());
+        self.source_map_change = Some(source_root_map);
     }
 }
 
diff --git a/crates/rust-analyzer/src/global_state.rs b/crates/rust-analyzer/src/global_state.rs
index 820276e8aea2..3b3b9c879754 100644
--- a/crates/rust-analyzer/src/global_state.rs
+++ b/crates/rust-analyzer/src/global_state.rs
@@ -511,7 +511,7 @@ impl GlobalState {
 
                 self.fetch_workspaces_queue.request_op(
                     format!("workspace vfs file change: {path}"),
-                    FetchWorkspaceRequest { path: Some(path.to_owned()), force_crate_graph_reload },
+                    FetchWorkspaceRequest { path: Some(path), force_crate_graph_reload },
                 );
             }
         }
diff --git a/crates/rust-analyzer/src/handlers/notification.rs b/crates/rust-analyzer/src/handlers/notification.rs
index a30e5d8ce268..b7373f274f05 100644
--- a/crates/rust-analyzer/src/handlers/notification.rs
+++ b/crates/rust-analyzer/src/handlers/notification.rs
@@ -309,7 +309,7 @@ fn run_flycheck(state: &mut GlobalState, vfs_path: VfsPath) -> bool {
         let task = move || -> std::result::Result<(), Cancelled> {
             if invocation_strategy_once {
                 let saved_file = vfs_path.as_path().map(|p| p.to_owned());
-                world.flycheck[0].restart_workspace(saved_file.clone());
+                world.flycheck[0].restart_workspace(saved_file);
             }
 
             let target = TargetSpec::for_file(&world, file_id)?.and_then(|it| {
diff --git a/crates/rust-analyzer/src/handlers/request.rs b/crates/rust-analyzer/src/handlers/request.rs
index e08dd80973a7..69983a676261 100644
--- a/crates/rust-analyzer/src/handlers/request.rs
+++ b/crates/rust-analyzer/src/handlers/request.rs
@@ -2210,7 +2210,7 @@ fn runnable_action_links(
         let label = update_test.label();
         if let Some(r) = to_proto::make_update_runnable(&r, update_test) {
             let update_command = to_proto::command::run_single(&r, label.unwrap().as_str());
-            group.commands.push(to_command_link(update_command, r.label.clone()));
+            group.commands.push(to_command_link(update_command, r.label));
         }
     }
 
diff --git a/crates/rust-analyzer/tests/slow-tests/ratoml.rs b/crates/rust-analyzer/tests/slow-tests/ratoml.rs
index 3f313b7e57fe..485f32281dde 100644
--- a/crates/rust-analyzer/tests/slow-tests/ratoml.rs
+++ b/crates/rust-analyzer/tests/slow-tests/ratoml.rs
@@ -82,11 +82,8 @@ impl RatomlTest {
         }
 
         Url::parse(
-            format!(
-                "file://{}",
-                path.into_string().to_owned().replace("C:\\", "/c:/").replace('\\', "/")
-            )
-            .as_str(),
+            format!("file://{}", path.into_string().replace("C:\\", "/c:/").replace('\\', "/"))
+                .as_str(),
         )
         .unwrap()
     }
diff --git a/crates/rust-analyzer/tests/slow-tests/support.rs b/crates/rust-analyzer/tests/slow-tests/support.rs
index 7b5a53311217..2bebb0c1b970 100644
--- a/crates/rust-analyzer/tests/slow-tests/support.rs
+++ b/crates/rust-analyzer/tests/slow-tests/support.rs
@@ -202,7 +202,7 @@ impl Project<'_> {
         }
 
         let mut config = Config::new(
-            tmp_dir_path.clone(),
+            tmp_dir_path,
             lsp_types::ClientCapabilities {
                 workspace: Some(lsp_types::WorkspaceClientCapabilities {
                     did_change_watched_files: Some(
diff --git a/crates/syntax/src/syntax_editor/edit_algo.rs b/crates/syntax/src/syntax_editor/edit_algo.rs
index 6a9c88b55d7e..01c1f0d49bfd 100644
--- a/crates/syntax/src/syntax_editor/edit_algo.rs
+++ b/crates/syntax/src/syntax_editor/edit_algo.rs
@@ -391,7 +391,7 @@ fn report_intersecting_changes(
 fn to_owning_node(element: &SyntaxElement) -> SyntaxNode {
     match element {
         SyntaxElement::Node(node) => node.clone(),
-        SyntaxElement::Token(token) => token.parent().unwrap().clone(),
+        SyntaxElement::Token(token) => token.parent().unwrap(),
     }
 }
 
diff --git a/crates/test-fixture/src/lib.rs b/crates/test-fixture/src/lib.rs
index 2f379d419e8f..f6ca5ab6c8c5 100644
--- a/crates/test-fixture/src/lib.rs
+++ b/crates/test-fixture/src/lib.rs
@@ -353,7 +353,7 @@ impl ChangeFixture {
                 )]),
                 CrateOrigin::Local { repo: None, name: None },
                 true,
-                proc_macro_cwd.clone(),
+                proc_macro_cwd,
                 crate_ws_data,
             );
             proc_macros.insert(proc_macros_crate, Ok(proc_macro));