diff --git a/src/phaseSystemModels/reactingEuler/twoPhaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.C b/src/phaseSystemModels/reactingEuler/twoPhaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.C
index 16166995ae..1b29db5e4d 100644
--- a/src/phaseSystemModels/reactingEuler/twoPhaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.C
+++ b/src/phaseSystemModels/reactingEuler/twoPhaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.C
@@ -58,8 +58,6 @@ Foam::RASModels::phasePressureModel::phasePressureModel
         propertiesName
     ),
 
-    phase_(phase),
-
     alphaMax_(coeffDict_.get<scalar>("alphaMax")),
     preAlphaExp_(coeffDict_.get<scalar>("preAlphaExp")),
     expMax_(coeffDict_.get<scalar>("expMax")),
diff --git a/src/phaseSystemModels/reactingEuler/twoPhaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.H b/src/phaseSystemModels/reactingEuler/twoPhaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.H
index 6aeb253f09..d9c41e8f3d 100644
--- a/src/phaseSystemModels/reactingEuler/twoPhaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.H
+++ b/src/phaseSystemModels/reactingEuler/twoPhaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.H
@@ -78,12 +78,7 @@ class phasePressureModel
         RASModel<EddyDiffusivity<phaseCompressibleTurbulenceModel>>
     >
 {
-    // Private data
-
-        // Input Fields
-
-            const phaseModel& phase_;
-
+    // Private Data
 
         // Kinetic Theory Model coefficients
 
@@ -102,14 +97,15 @@ class phasePressureModel
 
     // Private Member Functions
 
+        //- Disabled
         void correctNut()
         {}
 
-        //- Disallow default bitwise copy construct
-        phasePressureModel(const phasePressureModel&);
+        //- No copy construct
+        phasePressureModel(const phasePressureModel&) = delete;
 
-        //- Disallow default bitwise assignment
-        void operator=(const phasePressureModel&);
+        //- No copy assignment
+        void operator=(const phasePressureModel&) = delete;
 
 
 public:
diff --git a/src/phaseSystemModels/twoPhaseEuler/phaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.C b/src/phaseSystemModels/twoPhaseEuler/phaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.C
index e12ac4292b..f20ed8a633 100644
--- a/src/phaseSystemModels/twoPhaseEuler/phaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.C
+++ b/src/phaseSystemModels/twoPhaseEuler/phaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.C
@@ -61,8 +61,6 @@ Foam::RASModels::phasePressureModel::phasePressureModel
         propertiesName
     ),
 
-    phase_(phase),
-
     alphaMax_(coeffDict_.get<scalar>("alphaMax")),
     preAlphaExp_(coeffDict_.get<scalar>("preAlphaExp")),
     expMax_(coeffDict_.get<scalar>("expMax")),
diff --git a/src/phaseSystemModels/twoPhaseEuler/phaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.H b/src/phaseSystemModels/twoPhaseEuler/phaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.H
index 51c1673aff..fa54e84afe 100644
--- a/src/phaseSystemModels/twoPhaseEuler/phaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.H
+++ b/src/phaseSystemModels/twoPhaseEuler/phaseCompressibleTurbulenceModels/phasePressureModel/phasePressureModel.H
@@ -82,12 +82,7 @@ class phasePressureModel
         >>>
     >
 {
-    // Private data
-
-        // Input Fields
-
-            const phaseModel& phase_;
-
+    // Private Data
 
         // Kinetic Theory Model coefficients
 
@@ -106,6 +101,7 @@ class phasePressureModel
 
     // Private Member Functions
 
+        //- Disabled
         void correctNut()
         {}