diff --git a/crates/oxc_linter/src/rules/jest/expect_expect.rs b/crates/oxc_linter/src/rules/jest/expect_expect.rs
index a4127b74d9b90c..3721630b1b7e5a 100644
--- a/crates/oxc_linter/src/rules/jest/expect_expect.rs
+++ b/crates/oxc_linter/src/rules/jest/expect_expect.rs
@@ -127,7 +127,7 @@ fn run<'a>(
             possible_jest_node,
             ctx,
             &[JestFnKind::General(JestGeneralFnKind::Test)],
-        ) || rule.additional_test_block_functions.contains(&name.into())
+        ) || rule.additional_test_block_functions.contains(&name)
         {
             if let Some(member_expr) = call_expr.callee.as_member_expression() {
                 let Some(property_name) = member_expr.static_property_name() else {
diff --git a/crates/oxc_linter/src/rules/jest/no_standalone_expect.rs b/crates/oxc_linter/src/rules/jest/no_standalone_expect.rs
index 01b682b744f544..b9eebaf72a7208 100644
--- a/crates/oxc_linter/src/rules/jest/no_standalone_expect.rs
+++ b/crates/oxc_linter/src/rules/jest/no_standalone_expect.rs
@@ -2,7 +2,7 @@ use oxc_ast::AstKind;
 use oxc_diagnostics::OxcDiagnostic;
 use oxc_macros::declare_oxc_lint;
 use oxc_semantic::NodeId;
-use oxc_span::Span;
+use oxc_span::{CompactStr, Span};
 use rustc_hash::FxHashMap;
 
 use crate::{
@@ -28,7 +28,7 @@ pub struct NoStandaloneExpect(Box<NoStandaloneExpectConfig>);
 
 #[derive(Debug, Default, Clone)]
 pub struct NoStandaloneExpectConfig {
-    additional_test_block_functions: Vec<String>,
+    additional_test_block_functions: Vec<CompactStr>,
 }
 
 impl std::ops::Deref for NoStandaloneExpect {
@@ -65,9 +65,7 @@ impl Rule for NoStandaloneExpect {
             .get(0)
             .and_then(|v| v.get("additionalTestBlockFunctions"))
             .and_then(serde_json::Value::as_array)
-            .map(|v| {
-                v.iter().filter_map(serde_json::Value::as_str).map(ToString::to_string).collect()
-            })
+            .map(|v| v.iter().filter_map(serde_json::Value::as_str).map(CompactStr::from).collect())
             .unwrap_or_default();
 
         Self(Box::new(NoStandaloneExpectConfig { additional_test_block_functions }))
@@ -128,7 +126,7 @@ impl NoStandaloneExpect {
 
 fn is_correct_place_to_call_expect<'a>(
     node: &AstNode<'a>,
-    additional_test_block_functions: &[String],
+    additional_test_block_functions: &[CompactStr],
     id_nodes_mapping: &FxHashMap<NodeId, &PossibleJestNode<'a, '_>>,
     ctx: &LintContext<'a>,
 ) -> Option<()> {
@@ -196,7 +194,7 @@ fn is_correct_place_to_call_expect<'a>(
 
 fn is_var_declarator_or_test_block<'a>(
     node: &AstNode<'a>,
-    additional_test_block_functions: &[String],
+    additional_test_block_functions: &[CompactStr],
     id_nodes_mapping: &FxHashMap<NodeId, &PossibleJestNode<'a, '_>>,
     ctx: &LintContext<'a>,
 ) -> bool {
@@ -213,7 +211,7 @@ fn is_var_declarator_or_test_block<'a>(
             }
 
             let node_name = get_node_name(&call_expr.callee);
-            if additional_test_block_functions.iter().any(|fn_name| &node_name == fn_name) {
+            if additional_test_block_functions.iter().any(|fn_name| node_name == fn_name) {
                 return true;
             }
         }
diff --git a/crates/oxc_linter/src/rules/jest/require_hook.rs b/crates/oxc_linter/src/rules/jest/require_hook.rs
index 5ca53d8a0dd706..c98acd9c208917 100644
--- a/crates/oxc_linter/src/rules/jest/require_hook.rs
+++ b/crates/oxc_linter/src/rules/jest/require_hook.rs
@@ -6,7 +6,7 @@ use oxc_ast::{
 use oxc_diagnostics::OxcDiagnostic;
 use oxc_macros::declare_oxc_lint;
 use oxc_semantic::AstNode;
-use oxc_span::Span;
+use oxc_span::{CompactStr, Span};
 
 use crate::{
     context::LintContext,
@@ -25,7 +25,7 @@ fn use_hook(span: Span) -> OxcDiagnostic {
 
 #[derive(Debug, Default, Clone)]
 pub struct RequireHookConfig {
-    allowed_function_calls: Vec<String>,
+    allowed_function_calls: Vec<CompactStr>,
 }
 
 #[derive(Debug, Default, Clone)]
@@ -153,9 +153,7 @@ impl Rule for RequireHook {
             .get(0)
             .and_then(|config| config.get("allowedFunctionCalls"))
             .and_then(serde_json::Value::as_array)
-            .map(|v| {
-                v.iter().filter_map(serde_json::Value::as_str).map(ToString::to_string).collect()
-            })
+            .map(|v| v.iter().filter_map(serde_json::Value::as_str).map(CompactStr::from).collect())
             .unwrap_or_default();
 
         Self(Box::new(RequireHookConfig { allowed_function_calls }))
@@ -230,7 +228,7 @@ impl RequireHook {
         ctx: &LintContext<'a>,
     ) {
         if let Expression::CallExpression(call_expr) = expr {
-            let name: String = get_node_name(&call_expr.callee);
+            let name = get_node_name(&call_expr.callee);
 
             if !(parse_jest_fn_call(call_expr, &PossibleJestNode { node, original: None }, ctx)
                 .is_some()
diff --git a/crates/oxc_linter/src/utils/jest.rs b/crates/oxc_linter/src/utils/jest.rs
index 21d6c8c5d1e560..2479167e509889 100644
--- a/crates/oxc_linter/src/utils/jest.rs
+++ b/crates/oxc_linter/src/utils/jest.rs
@@ -8,6 +8,7 @@ use oxc_ast::{
     AstKind,
 };
 use oxc_semantic::{AstNode, ReferenceId};
+use oxc_span::CompactStr;
 use phf::phf_set;
 
 use crate::LintContext;
@@ -254,9 +255,9 @@ fn collect_ids_referenced_to_global<'c>(
 /// join name of the expression. e.g.
 /// `expect(foo).toBe(bar)`  -> "expect.toBe"
 /// `new Foo().bar` -> "Foo.bar"
-pub fn get_node_name<'a>(expr: &'a Expression<'a>) -> String {
+pub fn get_node_name<'a>(expr: &'a Expression<'a>) -> CompactStr {
     let chain = get_node_name_vec(expr);
-    chain.join(".")
+    chain.join(".").into()
 }
 
 pub fn get_node_name_vec<'a>(expr: &'a Expression<'a>) -> Vec<Cow<'a, str>> {