diff --git a/src/api.rs b/src/api.rs
index 40be48e..522da01 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -315,6 +315,7 @@ mod tests {
             timeturner_offset: TimeturnerOffset::default(),
             default_nudge_ms: 2,
             auto_sync_enabled: false,
+            ..Config::default()
         }));
         let log_buffer = Arc::new(Mutex::new(VecDeque::new()));
         web::Data::new(AppState {
diff --git a/src/ptp.rs b/src/ptp.rs
index 732abfb..cb87bf3 100644
--- a/src/ptp.rs
+++ b/src/ptp.rs
@@ -1,4 +1,4 @@
-use chrono::{DateTime, TimeZone, Utc};
+use chrono::{DateTime, Utc};
 
 #[derive(Debug)]
 pub enum PtpError {
@@ -27,7 +27,8 @@ impl From<std::io::Error> for PtpError {
 
 #[cfg(target_os = "linux")]
 mod linux {
-    use super::{DateTime, PtpError, TimeZone, Utc};
+    use super::{DateTime, PtpError, Utc};
+    use chrono::TimeZone;
     use libc::{clockid_t, timespec, CLOCK_REALTIME};
     use std::fs::File;
     use std::os::fd::AsRawFd;
@@ -93,6 +94,7 @@ mod linux {
 mod non_linux {
     use super::{DateTime, PtpError, Utc};
 
+    #[derive(Debug)]
     pub struct PtpClock;
 
     impl PtpClock {
@@ -256,6 +258,7 @@ mod statime_nonlinux_mod {
         }
     }
 
+    #[derive(Debug)]
     pub struct StatimeDaemon;
 
     impl StatimeDaemon {