diff --git a/packages/hurl/src/cli/options.rs b/packages/hurl/src/cli/options.rs
index c160c894e..b58b1876c 100644
--- a/packages/hurl/src/cli/options.rs
+++ b/packages/hurl/src/cli/options.rs
@@ -403,6 +403,8 @@ pub fn app(version: &str) -> Command {
 }
 
 /// Parses command line options `matches`.
+// FIXME: disallow this clippy warning because of https://github.com/rust-lang/rust-clippy/issues/9766
+#[allow(clippy::manual_filter)]
 pub fn parse_options(matches: &ArgMatches) -> Result<CliOptions, CliError> {
     let cacert_file = match get::<String>(matches, "cacert_file") {
         None => None,
diff --git a/packages/hurl/src/runner/body.rs b/packages/hurl/src/runner/body.rs
index 9f2d75a3e..89aada5b6 100644
--- a/packages/hurl/src/runner/body.rs
+++ b/packages/hurl/src/runner/body.rs
@@ -79,7 +79,7 @@ pub fn eval_file(filename: &Filename, context_dir: &ContextDir) -> Result<Vec<u8
         });
     }
     let resolved_file = context_dir.get_path(&file);
-    match std::fs::read(&resolved_file) {
+    match std::fs::read(resolved_file) {
         Ok(value) => Ok(value),
         Err(_) => Err(Error {
             source_info: filename.source_info.clone(),
diff --git a/packages/hurl/src/runner/response.rs b/packages/hurl/src/runner/response.rs
index 78cab6b65..5caedbd22 100644
--- a/packages/hurl/src/runner/response.rs
+++ b/packages/hurl/src/runner/response.rs
@@ -49,7 +49,7 @@ pub fn eval_version_status_asserts(
     if let StatusValue::Specific(v) = status.value {
         asserts.push(AssertResult::Status {
             actual: http_response.status as u64,
-            expected: v as u64,
+            expected: v,
             source_info: status.source_info.clone(),
         });
     }
diff --git a/packages/hurl/src/util/logger.rs b/packages/hurl/src/util/logger.rs
index a28e77b54..4da7a87ff 100644
--- a/packages/hurl/src/util/logger.rs
+++ b/packages/hurl/src/util/logger.rs
@@ -457,7 +457,7 @@ fn error_string(filename: &str, content: &str, error: &dyn Error, colored: bool)
     } else {
         let line = lines.get(line_number - 1).unwrap();
         let width = if error.source_info().end.column > column_number {
-            (error.source_info().end.column - column_number) as usize
+            error.source_info().end.column - column_number
         } else {
             0
         };
diff --git a/packages/hurl_core/src/error/mod.rs b/packages/hurl_core/src/error/mod.rs
index b8555b165..aa7569e92 100644
--- a/packages/hurl_core/src/error/mod.rs
+++ b/packages/hurl_core/src/error/mod.rs
@@ -149,11 +149,7 @@ fn levenshtein_distance(s1: &str, s2: &str) -> usize {
         cmp::min(v1, cmp::min(v2, v3))
     }
     fn delta(x: char, y: char) -> usize {
-        if x == y {
-            0
-        } else {
-            1
-        }
+        usize::from(x != y)
     }
 
     let mut column: Vec<usize> = (0..=v1.len()).collect();
diff --git a/packages/hurlfmt/src/cli/logger.rs b/packages/hurlfmt/src/cli/logger.rs
index b586e7c4a..250391c1a 100644
--- a/packages/hurlfmt/src/cli/logger.rs
+++ b/packages/hurlfmt/src/cli/logger.rs
@@ -145,7 +145,7 @@ fn log_error(
         }
     } else {
         let line = lines.get(error.source_info().start.line - 1).unwrap();
-        let width = (error.source_info().end.column - error.source_info().start.column) as usize;
+        let width = error.source_info().end.column - error.source_info().start.column;
 
         let mut tab_shift = 0;
         for (i, c) in line.chars().enumerate() {
diff --git a/packages/hurlfmt/src/format/json.rs b/packages/hurlfmt/src/format/json.rs
index 090c4dbf2..a9ae7e935 100644
--- a/packages/hurlfmt/src/format/json.rs
+++ b/packages/hurlfmt/src/format/json.rs
@@ -475,11 +475,11 @@ fn json_predicate_value(predicate_value: PredicateValue) -> (JValue, Option<Stri
         PredicateValue::Bool(value) => (JValue::Boolean(value), None),
         PredicateValue::Null {} => (JValue::Null, None),
         PredicateValue::Hex(value) => (
-            JValue::String(base64::encode(&value.value)),
+            JValue::String(base64::encode(value.value)),
             Some("base64".to_string()),
         ),
         PredicateValue::Base64(value) => (
-            JValue::String(base64::encode(&value.value)),
+            JValue::String(base64::encode(value.value)),
             Some("base64".to_string()),
         ),
         PredicateValue::Expression(value) => (JValue::String(value.to_string()), None),