diff --git a/packages/hurl/src/http/request_spec_curl_args.rs b/packages/hurl/src/http/request_spec_curl_args.rs
index 9a3b5a1a125..9f3bbc1d9c4 100644
--- a/packages/hurl/src/http/request_spec_curl_args.rs
+++ b/packages/hurl/src/http/request_spec_curl_args.rs
@@ -134,7 +134,7 @@ fn encode_bytes(b: Vec<u8>) -> String {
 
 impl Method {
     pub fn curl_args(&self, data: bool) -> Vec<String> {
-        match self.0.clone().as_str() {
+        match self.0.as_str() {
             "GET" => {
                 if data {
                     vec!["--request".to_string(), "GET".to_string()]
diff --git a/packages/hurl/src/jsonpath/parser/primitives.rs b/packages/hurl/src/jsonpath/parser/primitives.rs
index c7990f4ab65..c3854b242fb 100644
--- a/packages/hurl/src/jsonpath/parser/primitives.rs
+++ b/packages/hurl/src/jsonpath/parser/primitives.rs
@@ -70,7 +70,7 @@ pub fn number(reader: &mut Reader) -> ParseResult<Number> {
     let decimal = if reader.try_literal(".") {
         if reader.is_eof() {
             return Err(Error {
-                pos: reader.clone().state.pos,
+                pos: reader.state.pos,
                 recoverable: false,
                 inner: ParseError::Expecting {
                     value: String::from("natural"),
@@ -81,7 +81,7 @@ pub fn number(reader: &mut Reader) -> ParseResult<Number> {
         let s = reader.read_while(|c| c.is_ascii_digit());
         if s.is_empty() {
             return Err(Error {
-                pos: reader.clone().state.pos,
+                pos: reader.state.pos,
                 recoverable: false,
                 inner: ParseError::Expecting {
                     value: String::from("natural"),
@@ -188,7 +188,7 @@ pub fn literal(s: &str, reader: &mut Reader) -> ParseResult<()> {
     // non recoverable reader
     // => use combinator recover to make it recoverable
     let start = reader.state;
-    if reader.clone().is_eof() {
+    if reader.is_eof() {
         return Err(Error {
             pos: start.pos,
             recoverable: false,
diff --git a/packages/hurl/src/runner/template.rs b/packages/hurl/src/runner/template.rs
index 44cb1bc1882..566c868c089 100644
--- a/packages/hurl/src/runner/template.rs
+++ b/packages/hurl/src/runner/template.rs
@@ -53,7 +53,7 @@ pub fn render_expression(expr: &Expr, variables: &HashMap<String, Value>) -> Res
     let name = &expr.variable.name;
     let value = eval_expression(expr, variables)?;
     if value.is_renderable() {
-        Ok(value.clone().to_string())
+        Ok(value.to_string())
     } else {
         let inner = RunnerError::UnrenderableVariable {
             name: name.to_string(),
diff --git a/packages/hurl_core/src/error/mod.rs b/packages/hurl_core/src/error/mod.rs
index 7ad22df661e..53402cb46c2 100644
--- a/packages/hurl_core/src/error/mod.rs
+++ b/packages/hurl_core/src/error/mod.rs
@@ -35,7 +35,7 @@ impl Error for parser::Error {
     }
 
     fn description(&self) -> String {
-        match self.clone().inner {
+        match self.inner {
             ParseError::DuplicateSection => "Parsing section".to_string(),
             ParseError::EscapeChar => "Parsing escape character".to_string(),
             ParseError::Expecting { .. } => "Parsing literal".to_string(),
diff --git a/packages/hurl_core/src/parser/json.rs b/packages/hurl_core/src/parser/json.rs
index b9eb55b8bfa..0d50904c142 100644
--- a/packages/hurl_core/src/parser/json.rs
+++ b/packages/hurl_core/src/parser/json.rs
@@ -164,10 +164,10 @@ fn escape_char(reader: &mut Reader) -> ParseResult<char> {
         Some('r') => Ok('\r'),
         Some('t') => Ok('\t'),
         Some('u') => unicode(reader),
-        _ => Err(error::Error {
+        _ => Err(Error {
             pos: start.pos,
             recoverable: false,
-            inner: error::ParseError::EscapeChar,
+            inner: ParseError::EscapeChar,
         }),
     }
 }
@@ -176,10 +176,10 @@ fn unicode(reader: &mut Reader) -> ParseResult<char> {
     let v = hex_value(reader)?;
     let c = match std::char::from_u32(v) {
         None => {
-            return Err(error::Error {
-                pos: reader.clone().state.pos,
+            return Err(Error {
+                pos: reader.state.pos,
                 recoverable: false,
-                inner: error::ParseError::Unicode,
+                inner: ParseError::Unicode,
             })
         }
         Some(c) => c,
diff --git a/packages/hurl_core/src/parser/primitives.rs b/packages/hurl_core/src/parser/primitives.rs
index 2390caef88a..5ee1b195e24 100644
--- a/packages/hurl_core/src/parser/primitives.rs
+++ b/packages/hurl_core/src/parser/primitives.rs
@@ -351,7 +351,7 @@ pub fn regex(reader: &mut Reader) -> ParseResult<Regex> {
                     //
                     // To fit nicely in Hurl Error reporting, you need an error message string that does not spread on multiple lines
                     // You will assume that the error most relevant description is on the last line
-                    let lines = s.split('\n').clone().collect::<Vec<&str>>();
+                    let lines = s.split('\n').collect::<Vec<&str>>();
                     let last_line = lines.last().expect("at least one line");
                     last_line
                         .strip_prefix("error: ")
@@ -479,7 +479,7 @@ pub fn float(reader: &mut Reader) -> ParseResult<Float> {
 
     if reader.is_eof() {
         return Err(Error {
-            pos: reader.clone().state.pos,
+            pos: reader.state.pos,
             recoverable: false,
             inner: ParseError::Expecting {
                 value: String::from("natural"),
@@ -490,7 +490,7 @@ pub fn float(reader: &mut Reader) -> ParseResult<Float> {
     let s = reader.read_while(|c| c.is_ascii_digit());
     if s.is_empty() {
         return Err(Error {
-            pos: reader.clone().state.pos,
+            pos: reader.state.pos,
             recoverable: false,
             inner: ParseError::Expecting {
                 value: String::from("natural"),
diff --git a/packages/hurl_core/src/parser/sections.rs b/packages/hurl_core/src/parser/sections.rs
index 7162996ea29..0491a5681a8 100644
--- a/packages/hurl_core/src/parser/sections.rs
+++ b/packages/hurl_core/src/parser/sections.rs
@@ -318,30 +318,6 @@ fn assert(reader: &mut Reader) -> ParseResult<Assert> {
     let space1 = one_or_more_spaces(reader)?;
     let predicate0 = predicate(reader)?;
 
-    // Specifics for jsonpath //
-    // jsonpath always return a list
-    // the equals predicate will be used as "firstEquals"
-    // you also need the firstStartsWith => not really orthogonal!!
-    /* let predicate0 = Predicate {
-            not: predicate0.clone().not,
-            space0: predicate0.clone().space0,
-            predicate_func: PredicateFunc {
-                source_info: predicate0.clone().predicate_func.source_info,
-                value: if query0.clone().is_jsonpath() {
-                    match predicate0.clone().predicate_func.value {
-                        PredicateFuncValue::EqualBool { space0, value } => PredicateFuncValue::FirstEqualBool { space0, value },
-                        PredicateFuncValue::EqualInt { space0, value } => PredicateFuncValue::FirstEqualInt { space0, value },
-                        PredicateFuncValue::EqualString { space0, value } => PredicateFuncValue::FirstEqualString { space0, value },
-                        PredicateFuncValue::CountEqual { space0, value } => PredicateFuncValue::FirstCountEqual { space0, value },
-                        PredicateFuncValue::StartWith { space0, value } => PredicateFuncValue::FirstStartWith { space0, value },
-                        _ => predicate0.clone().predicate_func.value
-                    }
-                } else {
-                    predicate0.clone().predicate_func.value
-                },
-            },
-        };
-    */
     let line_terminator0 = line_terminator(reader)?;
     Ok(Assert {
         line_terminators,
diff --git a/packages/hurl_core/src/parser/string.rs b/packages/hurl_core/src/parser/string.rs
index 4d7536f33be..1f530547ad6 100644
--- a/packages/hurl_core/src/parser/string.rs
+++ b/packages/hurl_core/src/parser/string.rs
@@ -232,7 +232,7 @@ pub(crate) fn unicode(reader: &mut Reader) -> ParseResult<char> {
     let c = match std::char::from_u32(v) {
         None => {
             return Err(Error {
-                pos: reader.clone().state.pos,
+                pos: reader.state.pos,
                 recoverable: false,
                 inner: ParseError::Unicode,
             });
diff --git a/packages/hurlfmt/src/format/token.rs b/packages/hurlfmt/src/format/token.rs
index dd7c8ad4ed3..7bac22621c1 100644
--- a/packages/hurlfmt/src/format/token.rs
+++ b/packages/hurlfmt/src/format/token.rs
@@ -66,7 +66,7 @@ impl Tokenizable for Entry {
     fn tokenize(&self) -> Vec<Token> {
         let mut tokens: Vec<Token> = vec![];
         tokens.append(&mut self.request.tokenize());
-        if let Some(response) = self.clone().response {
+        if let Some(response) = &self.response {
             tokens.append(&mut response.tokenize());
         }
         tokens
@@ -90,7 +90,7 @@ impl Tokenizable for Request {
         tokens.append(&mut self.line_terminator0.tokenize());
         tokens.append(&mut self.headers.iter().flat_map(|e| e.tokenize()).collect());
         tokens.append(&mut self.sections.iter().flat_map(|e| e.tokenize()).collect());
-        if let Some(body) = self.clone().body {
+        if let Some(body) = &self.body {
             tokens.append(&mut body.tokenize());
         }
         tokens
@@ -360,7 +360,7 @@ impl Tokenizable for Capture {
         tokens.append(&mut self.space2.tokenize());
         tokens.append(&mut self.query.tokenize());
         for (space, filter) in &self.filters {
-            tokens.append(&mut space.clone().tokenize());
+            tokens.append(&mut space.tokenize());
             tokens.append(&mut filter.tokenize());
         }
         tokens.append(&mut self.line_terminator0.tokenize());
@@ -381,7 +381,7 @@ impl Tokenizable for Assert {
         tokens.append(&mut self.space0.tokenize());
         tokens.append(&mut self.query.tokenize());
         for (space, filter) in &self.filters {
-            tokens.append(&mut space.clone().tokenize());
+            tokens.append(&mut space.tokenize());
             tokens.append(&mut filter.tokenize());
         }
         tokens.append(&mut self.space1.tokenize());
@@ -395,7 +395,7 @@ impl Tokenizable for Assert {
 
 impl Tokenizable for Query {
     fn tokenize(&self) -> Vec<Token> {
-        self.value.clone().tokenize()
+        self.value.tokenize()
     }
 }
 
@@ -682,14 +682,14 @@ impl Tokenizable for EncodedString {
         let mut tokens: Vec<Token> = vec![];
         if self.quotes {
             tokens.push(Token::StringDelimiter(
-                if self.clone().quotes { "\"" } else { "" }.to_string(),
+                if self.quotes { "\"" } else { "" }.to_string(),
             ));
         }
         tokens.push(Token::String(self.encoded.clone()));
 
         if self.quotes {
             tokens.push(Token::StringDelimiter(
-                if self.clone().quotes { "\"" } else { "" }.to_string(),
+                if self.quotes { "\"" } else { "" }.to_string(),
             ));
         }
         tokens
@@ -749,7 +749,7 @@ impl Tokenizable for LineTerminator {
     fn tokenize(&self) -> Vec<Token> {
         let mut tokens: Vec<Token> = vec![];
         tokens.append(&mut self.space0.tokenize());
-        if let Some(comment) = self.clone().comment {
+        if let Some(comment) = &self.comment {
             tokens.append(&mut comment.tokenize());
         }
         tokens.append(&mut self.newline.tokenize());
@@ -761,7 +761,7 @@ impl Tokenizable for Whitespace {
     fn tokenize(&self) -> Vec<Token> {
         let mut tokens: Vec<Token> = vec![];
         if !self.value.is_empty() {
-            tokens.push(Token::Whitespace(self.clone().value));
+            tokens.push(Token::Whitespace(self.value.clone()));
         }
         tokens
     }
@@ -769,13 +769,13 @@ impl Tokenizable for Whitespace {
 
 impl Tokenizable for Comment {
     fn tokenize(&self) -> Vec<Token> {
-        vec![Token::Comment(format!("#{}", self.clone().value))]
+        vec![Token::Comment(format!("#{}", self.value.clone()))]
     }
 }
 
 impl Tokenizable for Filename {
     fn tokenize(&self) -> Vec<Token> {
-        let s = self.clone().value.replace(' ', "\\ ");
+        let s = self.value.replace(' ', "\\ ");
         vec![Token::String(s)]
     }
 }
diff --git a/packages/hurlfmt/src/linter/rules.rs b/packages/hurlfmt/src/linter/rules.rs
index 13269988207..95f19f57d5f 100644
--- a/packages/hurlfmt/src/linter/rules.rs
+++ b/packages/hurlfmt/src/linter/rules.rs
@@ -587,7 +587,7 @@ fn lint_line_terminator(line_terminator: &LineTerminator) -> LineTerminator {
     let space0 = match line_terminator.comment {
         None => empty_whitespace(),
         Some(_) => Whitespace {
-            value: line_terminator.clone().space0.value,
+            value: line_terminator.space0.value.clone(),
             source_info: SourceInfo::new(Pos::new(0, 0), Pos::new(0, 0)),
         },
     };