diff --git a/crates/build/src/docker.rs b/crates/build/src/docker.rs
index 95219d669..9d4d45ac4 100644
--- a/crates/build/src/docker.rs
+++ b/crates/build/src/docker.rs
@@ -27,11 +27,11 @@
 //! 1. Pull the image from the registry or use the local copy if available
 //! 2. Parse other arguments that were passed to the host execution context
 //! 3. Calculate the digest of the command and use it
-//! to uniquely identify the container
+//!    to uniquely identify the container
 //! 4. If the container exists, we just start the build, if not, we create it
 //! 5. After the build, the docker container produces metadata with
-//! paths relative to its internal storage structure, we parse the file
-//! and overwrite those paths relative to the host machine.
+//!    paths relative to its internal storage structure, we parse the file
+//!    and overwrite those paths relative to the host machine.
 
 use std::{
     cmp::Ordering,
diff --git a/crates/build/src/lib.rs b/crates/build/src/lib.rs
index 6048f0248..24570ee19 100644
--- a/crates/build/src/lib.rs
+++ b/crates/build/src/lib.rs
@@ -727,13 +727,9 @@ pub fn execute(args: ExecuteArgs) -> Result<BuildResult> {
         Some(opt_passes) => *opt_passes,
         None => {
             let mut manifest = Manifest::new(manifest_path.clone())?;
-
-            match manifest.profile_optimization_passes() {
-                // if no setting is found, neither on the cli nor in the profile,
-                // then we use the default
-                None => OptimizationPasses::default(),
-                Some(opt_passes) => opt_passes,
-            }
+            // if no setting is found, neither on the cli nor in the profile,
+            // then we use the default
+            manifest.profile_optimization_passes().unwrap_or_default()
         }
     };
 
diff --git a/crates/extrinsics/src/events.rs b/crates/extrinsics/src/events.rs
index 447fe5f75..48f0fb24f 100644
--- a/crates/extrinsics/src/events.rs
+++ b/crates/extrinsics/src/events.rs
@@ -184,12 +184,14 @@ pub struct Event {
 
 /// Events produced from invoking a contract extrinsic.
 #[derive(serde::Serialize)]
+#[allow(dead_code)]
 pub struct Events(Vec<Event>);
 
 /// Displays events produced from invoking a contract extrinsic.
 #[derive(serde::Serialize)]
 pub struct DisplayEvents(Vec<Event>);
 
+#[allow(clippy::needless_borrows_for_generic_args)]
 impl DisplayEvents {
     /// Parses events and returns an object which can be serialised
     pub fn from_events<C: Config, E: Environment>(
@@ -331,6 +333,7 @@ impl DisplayEvents {
 
 /// Construct the contract event data field, attempting to decode the event using the
 /// [`ContractMessageTranscoder`] if available.
+#[allow(clippy::needless_borrows_for_generic_args)]
 fn contract_event_data_field<C: Config>(
     transcoder: Option<&ContractMessageTranscoder>,
     field_metadata: &scale_info::Field<PortableForm>,
diff --git a/crates/transcode/src/lib.rs b/crates/transcode/src/lib.rs
index 90710b7e1..fa7ab7083 100644
--- a/crates/transcode/src/lib.rs
+++ b/crates/transcode/src/lib.rs
@@ -513,7 +513,7 @@ mod tests {
 
     use crate::scon::Hex;
 
-    #[allow(clippy::extra_unused_lifetimes)]
+    #[allow(clippy::extra_unused_lifetimes, unexpected_cfgs, non_local_definitions)]
     #[ink::contract]
     pub mod transcode {
         #[ink(storage)]
diff --git a/crates/transcode/src/transcoder.rs b/crates/transcode/src/transcoder.rs
index 87a8f8c9f..ddf27cce0 100644
--- a/crates/transcode/src/transcoder.rs
+++ b/crates/transcode/src/transcoder.rs
@@ -275,31 +275,31 @@ mod tests {
 
     #[test]
     fn transcode_integers() -> Result<()> {
-        transcode_roundtrip::<i8>("-128", Value::Int(i8::min_value().into()))?;
-        transcode_roundtrip::<i8>("127", Value::Int(i8::max_value().into()))?;
+        transcode_roundtrip::<i8>("-128", Value::Int(i8::MIN.into()))?;
+        transcode_roundtrip::<i8>("127", Value::Int(i8::MAX.into()))?;
 
-        transcode_roundtrip::<i16>("-32768", Value::Int(i16::min_value().into()))?;
-        transcode_roundtrip::<i16>("32767", Value::Int(i16::max_value().into()))?;
+        transcode_roundtrip::<i16>("-32768", Value::Int(i16::MIN.into()))?;
+        transcode_roundtrip::<i16>("32767", Value::Int(i16::MAX.into()))?;
 
-        transcode_roundtrip::<i32>("-2147483648", Value::Int(i32::min_value().into()))?;
-        transcode_roundtrip::<i32>("2147483647", Value::Int(i32::max_value().into()))?;
+        transcode_roundtrip::<i32>("-2147483648", Value::Int(i32::MIN.into()))?;
+        transcode_roundtrip::<i32>("2147483647", Value::Int(i32::MAX.into()))?;
 
         transcode_roundtrip::<i64>(
             "-9223372036854775808",
-            Value::Int(i64::min_value().into()),
+            Value::Int(i64::MIN.into()),
         )?;
         transcode_roundtrip::<i64>(
             "\"9_223_372_036_854_775_807\"",
-            Value::Int(i64::max_value().into()),
+            Value::Int(i64::MAX.into()),
         )?;
 
         transcode_roundtrip::<i128>(
             "-170141183460469231731687303715884105728",
-            Value::Int(i128::min_value()),
+            Value::Int(i128::MIN),
         )?;
         transcode_roundtrip::<i128>(
             "\"170141183460469231731687303715884105727\"",
-            Value::Int(i128::max_value()),
+            Value::Int(i128::MAX),
         )
     }