Avoid having mutating methods const.

1 files changed, 4 insertions, 4 deletions

diff --git a/messagebus/src/vespa/messagebus/routable.h b/messagebus/src/vespa/messagebus/routable.h
index 37b15199f45..2c83daded1e 100644
--- a/messagebus/src/vespa/messagebus/routable.h
+++ b/messagebus/src/vespa/messagebus/routable.h
@@ -24,9 +24,9 @@ namespace mbus {
  */
 class Routable {
 private:
-    Context       _context;
-    CallStack     _stack;
-    mutable Trace _trace;
+    Context    _context;
+    CallStack  _stack;
+    Trace      _trace;
 
 public:
     /**
@@ -90,7 +90,7 @@ public:
      * @return Trace object
      */
     Trace &getTrace() { return _trace; }
-    Trace && steal_trace() const { return std::move(_trace); }
+    Trace && steal_trace() { return std::move(_trace); }
 
     /**
      * Access the Trace object for this Routable. The Trace is part of the