diff --git a/firmware/src/nfc.rs b/firmware/src/nfc.rs
index 7e175a3..acb1618 100644
--- a/firmware/src/nfc.rs
+++ b/firmware/src/nfc.rs
@@ -214,20 +214,20 @@ fn write_hex_bytes(f: &mut fmt::Formatter<'_>, bytes: &[u8]) -> fmt::Result {
 
 impl fmt::Display for Uid {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match *self {
-            Self::Single(ref bytes) => write_hex_bytes(f, bytes),
-            Self::Double(ref bytes) => write_hex_bytes(f, bytes),
-            Self::Triple(ref bytes) => write_hex_bytes(f, bytes),
+        match self {
+            Self::Single(bytes) => write_hex_bytes(f, bytes),
+            Self::Double(bytes) => write_hex_bytes(f, bytes),
+            Self::Triple(bytes) => write_hex_bytes(f, bytes),
         }
     }
 }
 
 impl AsRef<[u8]> for Uid {
     fn as_ref(&self) -> &[u8] {
-        match *self {
-            Self::Single(ref bytes) => bytes,
-            Self::Double(ref bytes) => bytes,
-            Self::Triple(ref bytes) => bytes,
+        match self {
+            Self::Single(bytes) => bytes,
+            Self::Double(bytes) => bytes,
+            Self::Triple(bytes) => bytes,
         }
     }
 }
diff --git a/firmware/src/screen.rs b/firmware/src/screen.rs
index ee801f5..3bb35bd 100644
--- a/firmware/src/screen.rs
+++ b/firmware/src/screen.rs
@@ -112,7 +112,7 @@ impl Screen for PleaseWait {
             target,
         )?;
         SMALL_FONT.render_aligned(
-            match *self {
+            match self {
                 Self::WifiConnecting => "WLAN Verbindung\nwird aufgebaut",
             },
             Point::new(63, 27 + 12),