Drop needless mut

diff --git a/src/ln/channelmonitor.rs b/src/ln/channelmonitor.rs
index 9deb11073ffc31273d233277070f528c4eca478f..a31c5bc504d02d49e6c155adf885e4d2fa737c1b 100644 (file)
--- a/src/ln/channelmonitor.rs
+++ b/src/ln/channelmonitor.rs
@@ -1740,7 +1740,7 @@ impl ChannelMonitor {
                                                output: outputs,
                                        };
 
-                                       let mut predicted_weight = spend_tx.get_weight() + Self::get_witnesses_weight(&inputs_desc[..]);
+                                       let predicted_weight = spend_tx.get_weight() + Self::get_witnesses_weight(&inputs_desc[..]);
 
                                        let mut used_feerate;
                                        if !subtract_high_prio_fee!(self, fee_estimator, spend_tx.output[0].value, predicted_weight, tx.txid(), used_feerate) {