diff --git a/src/binary_parser.rs b/src/binary_parser.rs
index 79d01835..dd619af1 100644
--- a/src/binary_parser.rs
+++ b/src/binary_parser.rs
@@ -6,6 +6,7 @@ use anyhow::Error;
 use goblin::Object;
 use memmap::Mmap;
 
+#[allow(dead_code)]
 pub struct BinaryInfo {
     pub filename: std::path::PathBuf,
     pub symbols: HashMap<String, u64>,
diff --git a/src/config.rs b/src/config.rs
index d8c936f9..cd719eac 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -422,7 +422,7 @@ impl Config {
         }
 
         config.subprocesses = matches.occurrences_of("subprocesses") > 0;
-        config.command = subcommand.to_owned();
+        subcommand.clone_into(&mut config.command);
 
         // options that can be shared between subcommands
         config.pid = matches
diff --git a/src/cython.rs b/src/cython.rs
index 3497f614..5b3e0c83 100644
--- a/src/cython.rs
+++ b/src/cython.rs
@@ -34,7 +34,7 @@ impl SourceMaps {
         if let Some(map) = self.maps.get(&frame.filename) {
             if let Some(map) = map {
                 if let Some((file, line)) = map.lookup(line) {
-                    frame.filename = file.clone();
+                    frame.filename.clone_from(file);
                     frame.line = *line as i32;
                 }
             }
diff --git a/src/python_process_info.rs b/src/python_process_info.rs
index 10adaf80..a5b3d0e2 100644
--- a/src/python_process_info.rs
+++ b/src/python_process_info.rs
@@ -613,7 +613,7 @@ pub trait ContainsAddr {
 
 impl ContainsAddr for Vec<MapRange> {
     #[cfg(windows)]
-    fn contains_addr(&self, addr: usize) -> bool {
+    fn contains_addr(&self, _addr: usize) -> bool {
         // On windows, we can't just check if a pointer is valid by looking to see if it points
         // to something in the virtual memory map. Brute-force it instead
         true
diff --git a/src/python_spy.rs b/src/python_spy.rs
index f5e36d68..6db6bf9c 100644
--- a/src/python_spy.rs
+++ b/src/python_spy.rs
@@ -1,5 +1,3 @@
-#[cfg(windows)]
-use regex::RegexBuilder;
 use std::collections::HashMap;
 #[cfg(all(target_os = "linux", unwind))]
 use std::collections::HashSet;
@@ -26,6 +24,7 @@ use crate::stack_trace::{get_gil_threadid, get_stack_trace, StackTrace};
 use crate::version::Version;
 
 /// Lets you retrieve stack traces of a running python program
+#[allow(dead_code)]
 pub struct PythonSpy {
     pub pid: Pid,
     pub process: Process,
diff --git a/src/sampler.rs b/src/sampler.rs
index 10f0cdfa..5cc99d84 100644
--- a/src/sampler.rs
+++ b/src/sampler.rs
@@ -219,7 +219,7 @@ impl Sampler {
                     let process = process_info
                         .entry(pid)
                         .or_insert_with(|| get_process_info(pid, &spies).map(|p| Arc::new(*p)));
-                    trace.process_info = process.clone();
+                    trace.process_info.clone_from(process);
                 }
 
                 // Send the collected info back