diff --git a/bip/src/de.rs b/bip/src/de.rs
index 628677b..a776bc3 100644
--- a/bip/src/de.rs
+++ b/bip/src/de.rs
@@ -77,13 +77,11 @@ impl<R: BufRead> Deserializer<R> {
     }
 
     fn parse_const(&mut self) -> Result<u64> {
-        let op = self.parse_op()?;
+        let bp::Op::Const(width, _float) = self.parse_op()? else {
+            return Err(Error::ExpectedConst);
+        };
 
-        if let bp::Op::Const(width, _float) = op {
-            Ok(self.read_uint((4 * (width + 1)) as usize)?)
-        } else {
-            Err(Error::ExpectedConst)
-        }
+        Ok(self.read_uint((4 * (width + 1)) as usize)?)
     }
 
     fn parse_data(&mut self) -> Result<u64> {