diff --git a/applications/solvers/lagrangian/porousExplicitSourceReactingParcelFoam/rhoEqn.H b/applications/solvers/lagrangian/porousExplicitSourceReactingParcelFoam/rhoEqn.H
index b1770a5a9d..33b7943cad 100644
--- a/applications/solvers/lagrangian/porousExplicitSourceReactingParcelFoam/rhoEqn.H
+++ b/applications/solvers/lagrangian/porousExplicitSourceReactingParcelFoam/rhoEqn.H
@@ -39,8 +39,6 @@ Description
       + massSource.SuTot()
     );
 
-    rhoEqn.relax();
-
     rhoEqn.solve();
 }