diff --git a/crates/ide_assists/src/handlers/add_turbo_fish.rs b/crates/ide_assists/src/handlers/add_turbo_fish.rs
index b73942c3c5..2872edc9e1 100644
--- a/crates/ide_assists/src/handlers/add_turbo_fish.rs
+++ b/crates/ide_assists/src/handlers/add_turbo_fish.rs
@@ -1,5 +1,4 @@
 use ide_db::defs::{Definition, NameRefClass};
-use itertools::Itertools;
 use syntax::{ast, AstNode, SyntaxKind, T};
 
 use crate::{
@@ -79,7 +78,7 @@ pub(crate) fn add_turbo_fish(acc: &mut Assists, ctx: &AssistContext) -> Option<(
     }
 
     let number_of_arguments = generics.len();
-    let fish_head = std::iter::repeat("_").take(number_of_arguments).collect_vec().join(",");
+    let fish_head = std::iter::repeat("_").take(number_of_arguments).collect::<Vec<_>>().join(",");
 
     acc.add(
         AssistId("add_turbo_fish", AssistKind::RefactorRewrite),
diff --git a/crates/ide_assists/src/handlers/destructure_tuple_binding.rs b/crates/ide_assists/src/handlers/destructure_tuple_binding.rs
index c21badb1e1..5f361f01dc 100644
--- a/crates/ide_assists/src/handlers/destructure_tuple_binding.rs
+++ b/crates/ide_assists/src/handlers/destructure_tuple_binding.rs
@@ -3,7 +3,6 @@ use ide_db::{
     defs::Definition,
     search::{FileReference, SearchScope, UsageSearchResult},
 };
-use itertools::Itertools;
 use syntax::{
     ast::{self, AstNode, FieldExpr, HasName, IdentPat, MethodCallExpr},
     TextRange,
@@ -121,7 +120,7 @@ fn collect_data(ident_pat: IdentPat, ctx: &AssistContext) -> Option<TupleData> {
 
     let field_names = (0..field_types.len())
         .map(|i| generate_name(ctx, i, &name, &ident_pat, &usages))
-        .collect_vec();
+        .collect::<Vec<_>>();
 
     Some(TupleData { ident_pat, range, ref_type, field_names, usages })
 }
diff --git a/crates/rust-analyzer/src/handlers.rs b/crates/rust-analyzer/src/handlers.rs
index ab3c9e8227..66b66e024c 100644
--- a/crates/rust-analyzer/src/handlers.rs
+++ b/crates/rust-analyzer/src/handlers.rs
@@ -14,7 +14,6 @@ use ide::{
     SourceChange, TextEdit,
 };
 use ide_db::SymbolKind;
-use itertools::Itertools;
 use lsp_server::ErrorCode;
 use lsp_types::{
     CallHierarchyIncomingCall, CallHierarchyIncomingCallsParams, CallHierarchyItem,
@@ -854,7 +853,7 @@ pub(crate) fn handle_completion_resolve(
         )?
         .into_iter()
         .flat_map(|edit| edit.into_iter().map(|indel| to_proto::text_edit(&line_index, indel)))
-        .collect_vec();
+        .collect::<Vec<_>>();
 
     if !all_edits_are_disjoint(&original_completion, &additional_edits) {
         return Err(LspError::new(
@@ -1164,7 +1163,7 @@ pub(crate) fn handle_code_action_resolve(
 }
 
 fn parse_action_id(action_id: &str) -> Result<(usize, SingleResolve), String> {
-    let id_parts = action_id.split(':').collect_vec();
+    let id_parts = action_id.split(':').collect::<Vec<_>>();
     match id_parts.as_slice() {
         [assist_id_string, assist_kind_string, index_string] => {
             let assist_kind: AssistKind = assist_kind_string.parse()?;