diff --git a/src/logger_handle.rs b/src/logger_handle.rs
index 6de0e8f..300e260 100644
--- a/src/logger_handle.rs
+++ b/src/logger_handle.rs
@@ -25,7 +25,7 @@ use std::{
 /// a buffering or asynchronous [`WriteMode`](crate::WriteMode)).
 ///
 /// `LoggerHandle` offers methods to modify the log specification programmatically,
-/// to flush() the logger explicitly, and to reconfigure the used `FileLogWriter` --
+/// to flush the logger explicitly, and to reconfigure the used `FileLogWriter` --
 /// if one is used.
 ///
 /// # Examples
diff --git a/src/trc.rs b/src/trc.rs
index 1a9ee29..9ec6f0d 100644
--- a/src/trc.rs
+++ b/src/trc.rs
@@ -138,6 +138,7 @@ impl LogSpecSubscriber for TraceLogSpecSubscriber {
     }
 }
 
+#[allow(dead_code)] // not really appropriate, seems to be a bug in clippy
 /// Rereads the specfile if it was updated and forwards the update to `tracing`'s filter.
 pub struct SpecFileNotifier(Option<Debouncer<RecommendedWatcher>>);
 
diff --git a/src/write_mode.rs b/src/write_mode.rs
index 957f333..72c1a74 100644
--- a/src/write_mode.rs
+++ b/src/write_mode.rs
@@ -117,6 +117,7 @@ pub enum WriteMode {
 
 pub(crate) enum EffectiveWriteMode {
     Direct,
+    #[allow(dead_code)] // introduced due to a bug in clippy, should be removed again
     BufferAndFlushWith(usize, Duration),
     #[cfg_attr(docsrs, doc(cfg(feature = "async")))]
     #[cfg(feature = "async")]
diff --git a/src/writers/file_log_writer/builder.rs b/src/writers/file_log_writer/builder.rs
index 5c95359..c171c65 100644
--- a/src/writers/file_log_writer/builder.rs
+++ b/src/writers/file_log_writer/builder.rs
@@ -248,10 +248,10 @@ impl FileLogWriterBuilder {
                 line_ending: self.cfg_line_ending,
                 write_mode: self.cfg_write_mode,
                 file_spec: self.file_spec.clone(),
-                o_create_symlink: self.cfg_o_create_symlink.as_ref().map(Clone::clone),
+                o_create_symlink: self.cfg_o_create_symlink.clone(),
                 use_utc: self.use_utc,
             },
-            self.o_rotation_config.as_ref().map(Clone::clone),
+            self.o_rotation_config.clone(),
             cleanup_in_background_thread,
         ))
     }