diff --git a/libwayshot/src/image_util.rs b/libwayshot/src/image_util.rs
index e06af24d..fbb7068f 100644
--- a/libwayshot/src/image_util.rs
+++ b/libwayshot/src/image_util.rs
@@ -1,4 +1,4 @@
-use image::{DynamicImage, GenericImageView};
+use image::DynamicImage;
 use wayland_client::protocol::wl_output::Transform;
 
 use crate::region::Size;
@@ -12,7 +12,7 @@ pub(crate) fn rotate_image_buffer(
 ) -> DynamicImage {
     // TODO Better document whether width and height are before or after the transform.
     // Perhaps this should be part of a cleanup of the FrameCopy struct.
-    let (logical_width, logical_height) = match transform {
+    let (logical_width, _logical_height) = match transform {
         Transform::_90 | Transform::_270 | Transform::Flipped90 | Transform::Flipped270 => {
             (logical_size.height, logical_size.width)
         }
diff --git a/libwayshot/src/lib.rs b/libwayshot/src/lib.rs
index 3cd7d280..4e8bc98b 100644
--- a/libwayshot/src/lib.rs
+++ b/libwayshot/src/lib.rs
@@ -52,7 +52,7 @@ use crate::{
     convert::create_converter,
     dispatch::{CaptureFrameState, FrameState, OutputCaptureState, WayshotState},
     output::OutputInfo,
-    region::{LogicalRegion, Region, Size},
+    region::{LogicalRegion, Size},
     screencopy::{create_shm_fd, FrameCopy, FrameFormat},
 };
 
diff --git a/wayshot/build.rs b/wayshot/build.rs
index 37104611..9c7c82e8 100644
--- a/wayshot/build.rs
+++ b/wayshot/build.rs
@@ -26,6 +26,7 @@ fn main() -> Result<()> {
         let output = OpenOptions::new()
             .write(true)
             .create(true)
+            .truncate(true)
             .open(Path::new(&man_page.1))?;
         _ = Command::new("scdoc")
             .stdin(Stdio::from(File::open(man_page.0)?))
@@ -41,6 +42,7 @@ fn main() -> Result<()> {
         let output = OpenOptions::new()
             .write(true)
             .create(true)
+            .truncate(true)
             .open(Path::new(&scdoc_output.1))?;
         let mut encoder = GzEncoder::new(output, Compression::default());
         copy(&mut input, &mut encoder)?;
diff --git a/wayshot/src/wayshot.rs b/wayshot/src/wayshot.rs
index b8a9420b..2d25e098 100644
--- a/wayshot/src/wayshot.rs
+++ b/wayshot/src/wayshot.rs
@@ -1,5 +1,4 @@
 use std::{
-    fs::File,
     io::{stdout, BufWriter, Cursor, Write},
     process::Command,
 };