diff --git a/src/cpu.rs b/src/cpu.rs
index 6694cbd..a52186b 100644
--- a/src/cpu.rs
+++ b/src/cpu.rs
@@ -57,10 +57,7 @@ impl Cpu {
     }
 
     pub(crate) fn is_halted(&self) -> bool {
-        match self.state {
-            State::Halt(_) => true,
-            _ => false,
-        }
+        matches!(self.state, State::Halt(_))
     }
 
     pub(crate) fn halt_kind(&self) -> Option<HaltKind> {
diff --git a/src/ppu.rs b/src/ppu.rs
index 51fe9b5..1f166e6 100644
--- a/src/ppu.rs
+++ b/src/ppu.rs
@@ -261,7 +261,7 @@ impl Ppu {
                 TileLow => {
                     let obj_size = self.ctrl.obj_size();
 
-                    let addr = PixelFetcher::get_obj_addr(&attr, &self.pos, obj_size);
+                    let addr = PixelFetcher::get_obj_addr(attr, &self.pos, obj_size);
 
                     let byte = self.read_byte(addr);
                     self.fetch.obj.tile.with_low_byte(byte);
@@ -272,7 +272,7 @@ impl Ppu {
                 TileHigh => {
                     let obj_size = self.ctrl.obj_size();
 
-                    let addr = PixelFetcher::get_obj_addr(&attr, &self.pos, obj_size);
+                    let addr = PixelFetcher::get_obj_addr(attr, &self.pos, obj_size);
 
                     let byte = self.read_byte(addr + 1);
                     self.fetch.obj.tile.with_high_byte(byte);