diff --git a/crates/solidity/src/process/mod.rs b/crates/solidity/src/process/mod.rs
index eea84af..491be4a 100644
--- a/crates/solidity/src/process/mod.rs
+++ b/crates/solidity/src/process/mod.rs
@@ -90,7 +90,7 @@ pub fn call(input: Input) -> anyhow::Result<Output> {
 
     #[cfg(debug_assertions)]
     if let Some(dbg_config) = &input.debug_config {
-        let _ = dbg_config
+        dbg_config
             .dump_stage_output(&input.contract.path, Some("stage"), &input_json)
             .map_err(|error| {
                 anyhow::anyhow!(
diff --git a/crates/solidity/src/resolc/arguments.rs b/crates/solidity/src/resolc/arguments.rs
index 6e0b932..4dc50cf 100644
--- a/crates/solidity/src/resolc/arguments.rs
+++ b/crates/solidity/src/resolc/arguments.rs
@@ -196,14 +196,14 @@ impl Arguments {
         }
 
         #[cfg(debug_assertions)]
-        if self.recursive_process_input != None && !self.recursive_process {
+        if self.recursive_process_input.is_none() && !self.recursive_process {
             anyhow::bail!("--process-input can be only used when --recursive-process is given");
         }
 
         #[cfg(debug_assertions)]
         if self.recursive_process
-            && ((self.recursive_process_input == None && std::env::args().count() > 2)
-                || (self.recursive_process_input != None && std::env::args().count() > 4))
+            && ((self.recursive_process_input.is_none() && std::env::args().count() > 2)
+                || (self.recursive_process_input.is_none() && std::env::args().count() > 4))
         {
             anyhow::bail!("No other options are allowed in recursive mode.");
         }