diff --git a/src/mpu/sensor.rs b/src/mpu/sensor.rs
index 9702bb131ca27fced556326ba4939a1cd6c44e54..b1572e260f4f413b3932ec84e5236535a25efbb1 100644
--- a/src/mpu/sensor.rs
+++ b/src/mpu/sensor.rs
@@ -67,9 +67,8 @@ where
         bytes: &[u8],
         response: &mut [u8],
     ) -> Result<(), Error<I2c>> {
-        let result = free(|_| i2c.write_read(MPU6050_ADDRESS, bytes, response))
-            .map_err(|e| Error::WriteRead(e));
-        result
+        free(|_| i2c.write_read(MPU6050_ADDRESS, bytes, response))
+            .map_err(|e| Error::WriteRead(e))
     }
 
     pub(crate) fn write(&mut self, i2c: &mut I2c, bytes: &[u8]) -> Result<(), Error<I2c>> {