diff --git a/SimG4Core/PhysicsLists/src/TrackingManagerHelper.icc b/SimG4Core/PhysicsLists/src/TrackingManagerHelper.icc
index 255ae261ec517..9e4479fbeabfc 100644
--- a/SimG4Core/PhysicsLists/src/TrackingManagerHelper.icc
+++ b/SimG4Core/PhysicsLists/src/TrackingManagerHelper.icc
@@ -243,7 +243,7 @@ void TrackingManagerHelper::TrackChargedParticle(G4Track* aTrack, PhysicsImpl& p
       bool fieldExertsForce = false;
       if (auto* fieldMgr = fFieldPropagator->FindAndSetFieldManager(track.GetVolume())) {
         fieldMgr->ConfigureForTrack(&track);
-        if (const G4Field* ptrField = fieldMgr->GetDetectorField()) {
+        if (fieldMgr->GetDetectorField()) {
           fieldExertsForce = true;
         }
       }