diff --git a/dumux/geomechanics/poroelastic/couplingmanager.hh b/dumux/geomechanics/poroelastic/couplingmanager.hh
index 6db3c2ddcf243c2d21932168b757b3e7394ba705..630ffcc3ac98c4b83d5e63d5b5b7256a42358dcd 100644
--- a/dumux/geomechanics/poroelastic/couplingmanager.hh
+++ b/dumux/geomechanics/poroelastic/couplingmanager.hh
@@ -351,6 +351,7 @@ public:
     }
 
     //! Return the coupling context (used in mechanical sub-problem to compute effective pressure)
+    [[deprecated("Obtain the volume variables directly calling getPMFlowVolVars(element). Will be removed after 3.1!")]]
     const PoroMechanicsCouplingContext& poroMechanicsCouplingContext() const
     { return poroMechCouplingContext_; }