diff --git a/src/i2c.rs b/src/i2c.rs
index 08b532e..a88d006 100644
--- a/src/i2c.rs
+++ b/src/i2c.rs
@@ -119,14 +119,14 @@ impl TimingCfg {
     }
 
     pub fn reg(&self) -> u32 {
-        ((self.tbuf as u32) << 28
+        (self.tbuf as u32) << 28
             | (self.thd_sta as u32) << 24
             | (self.tsu_sta as u32) << 20
             | (self.tsu_sto as u32) << 16
             | (self.tlow as u32) << 12
             | (self.thigh as u32) << 8
             | (self.tf as u32) << 4
-            | (self.tr as u32)) as u32
+            | (self.tr as u32)
     }
 }
 
diff --git a/src/uart.rs b/src/uart.rs
index fce0870..2896e4a 100644
--- a/src/uart.rs
+++ b/src/uart.rs
@@ -354,7 +354,7 @@ impl<UART: Instance> UartBase<UART> {
         };
         let x = sys_clk.0 as f32 / (config.baudrate.0 * baud_multiplier) as f32;
         let integer_part = floorf(x) as u32;
-        let frac = floorf((64.0 * (x - integer_part as f32) + 0.5) as f32) as u32;
+        let frac = floorf(64.0 * (x - integer_part as f32) + 0.5) as u32;
         self.uart
             .clkscale
             .write(|w| unsafe { w.bits(integer_part * 64 + frac) });