diff --git a/dav1d-sys/build.rs b/dav1d-sys/build.rs
index d228929..f5f9bbc 100644
--- a/dav1d-sys/build.rs
+++ b/dav1d-sys/build.rs
@@ -67,7 +67,7 @@ mod build {
         runner!("meson", "install", "-C", build_path.to_str().unwrap());
 
         let pkg_dir = build_path.join("meson-private");
-        system_deps::Library::from_internal_pkg_config(&pkg_dir, lib, TAG)
+        system_deps::Library::from_internal_pkg_config(pkg_dir, lib, TAG)
     }
 }
 
diff --git a/src/lib.rs b/src/lib.rs
index 38fd798..827090d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,7 +6,7 @@ use std::fmt;
 use std::i64;
 use std::mem;
 use std::ptr;
-use std::sync::Arc;
+use std::rc::Rc;
 
 /// Error enum return by various `dav1d` operations.
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
@@ -189,20 +189,15 @@ bitflags::bitflags! {
     }
 }
 
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+#[derive(Default, Debug, Copy, Clone, PartialEq, Eq)]
 pub enum DecodeFrameType {
+    #[default]
     All,
     Reference,
     Intra,
     Key,
 }
 
-impl Default for DecodeFrameType {
-    fn default() -> Self {
-        DecodeFrameType::All
-    }
-}
-
 impl TryFrom<u32> for DecodeFrameType {
     type Error = TryFromEnumError;
 
@@ -418,7 +413,7 @@ impl Decoder {
             } else {
                 let inner = InnerPicture { pic };
                 Ok(Picture {
-                    inner: Arc::new(inner),
+                    inner: Rc::new(inner),
                 })
             }
         }
@@ -453,7 +448,7 @@ struct InnerPicture {
 /// A decoded frame.
 #[derive(Debug, Clone)]
 pub struct Picture {
-    inner: Arc<InnerPicture>,
+    inner: Rc<InnerPicture>,
 }
 
 /// Pixel layout of a frame.
@@ -561,7 +556,7 @@ impl Picture {
                 PixelLayout::I400 | PixelLayout::I422 | PixelLayout::I444 => self.height(),
             },
         };
-        (self.stride(component) as u32, height)
+        (self.stride(component), height)
     }
 
     /// Plane data of the `component` for the decoded frame.
@@ -631,7 +626,7 @@ impl Picture {
     /// This is the same duration as the one provided to [`Decoder::send_data`] or `0` if none was
     /// provided.
     pub fn duration(&self) -> i64 {
-        self.inner.pic.m.duration as i64
+        self.inner.pic.m.duration
     }
 
     /// Offset of the frame.