diff --git a/src/api/check.rs b/src/api/check.rs
index 230298b..6d8f2ba 100644
--- a/src/api/check.rs
+++ b/src/api/check.rs
@@ -239,7 +239,7 @@ pub struct Data<'source> {
     pub annotation: Vec<DataAnnotation<'source>>,
 }
 
-impl<'source> IntoStatic for Data<'source> {
+impl IntoStatic for Data<'_> {
     type Static = Data<'static>;
     fn into_static(self) -> Self::Static {
         Data {
@@ -960,7 +960,7 @@ pub struct ResponseWithContext<'source> {
     pub text_length: usize,
 }
 
-impl<'source> Deref for ResponseWithContext<'source> {
+impl Deref for ResponseWithContext<'_> {
     type Target = Response;
     fn deref(&self) -> &Self::Target {
         &self.response
@@ -1104,7 +1104,7 @@ where
     }
 }
 
-impl<'source, 'response, T: Iterator + 'response> MatchPositions<'source, 'response, T> {
+impl<'response, T: Iterator + 'response> MatchPositions<'_, 'response, T> {
     /// Set the line number to a given value.
     ///
     /// By default, the first line number is 1.
diff --git a/src/api/server.rs b/src/api/server.rs
index e502323..495d380 100644
--- a/src/api/server.rs
+++ b/src/api/server.rs
@@ -453,9 +453,9 @@ impl ServerClient {
     /// Send a check request to the server, await for the response and annotate
     /// it.
     #[cfg(feature = "annotate")]
-    pub async fn annotate_check<'source>(
+    pub async fn annotate_check(
         &self,
-        request: &Request<'source>,
+        request: &Request<'_>,
         origin: Option<&str>,
         color: bool,
     ) -> Result<String> {
diff --git a/src/cli/check.rs b/src/cli/check.rs
index 6fd492a..f040dd5 100644
--- a/src/cli/check.rs
+++ b/src/cli/check.rs
@@ -257,7 +257,7 @@ pub struct CliRequest {
     pub level: Level,
 }
 
-impl<'source> From<CliRequest> for Request<'source> {
+impl From<CliRequest> for Request<'_> {
     fn from(val: CliRequest) -> Self {
         Request {
             text: val.text.map(Cow::Owned),
@@ -396,7 +396,7 @@ pub struct CliData {
     pub annotation: Vec<CliDataAnnotation>,
 }
 
-impl<'source> From<CliData> for Data<'source> {
+impl From<CliData> for Data<'_> {
     fn from(val: CliData) -> Self {
         Data {
             annotation: val
@@ -428,7 +428,7 @@ pub struct CliDataAnnotation {
     pub interpret_as: Option<String>,
 }
 
-impl<'source> From<CliDataAnnotation> for DataAnnotation<'source> {
+impl From<CliDataAnnotation> for DataAnnotation<'_> {
     fn from(val: CliDataAnnotation) -> Self {
         DataAnnotation {
             text: val.text.map(Cow::Owned),
diff --git a/tests/match_positions.rs b/tests/match_positions.rs
index 077174e..cc5d814 100644
--- a/tests/match_positions.rs
+++ b/tests/match_positions.rs
@@ -1,5 +1,4 @@
 use languagetool_rust::api::{check, server::ServerClient};
-use std::borrow::Cow;
 
 #[macro_export]
 macro_rules! test_match_positions {