diff --git a/src/laser_diode/current_sources.rs b/src/laser_diode/current_sources.rs
index 2f7170b..15cf44b 100644
--- a/src/laser_diode/current_sources.rs
+++ b/src/laser_diode/current_sources.rs
@@ -107,7 +107,6 @@ impl CurrentSource {
     }
 
     pub fn set_i(&mut self, current: ElectricCurrent, transimpedance: transimpedance_unit, dac_out_v_max: ElectricPotential) -> ElectricCurrent {
-        let v = current * transimpedance;
         self.set_dac(current * transimpedance, dac_out_v_max) / transimpedance
     }
 }
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