diff --git a/lib/entry/libimagentrygps/src/entry.rs b/lib/entry/libimagentrygps/src/entry.rs
index 3b689fd2..5a7c2df2 100644
--- a/lib/entry/libimagentrygps/src/entry.rs
+++ b/lib/entry/libimagentrygps/src/entry.rs
@@ -87,7 +87,7 @@ impl GPSEntry for Entry {
             "gps",
         ];
 
-        let mut hdr = self.get_header_mut();
+        let hdr = self.get_header_mut();
         for pattern in patterns.iter() {
             let _ = hdr.delete(pattern).chain_err(|| GPSEK::HeaderWriteError)?;
         }