diff --git a/dynamics/src/CGDynamicsKernel.cpp b/dynamics/src/CGDynamicsKernel.cpp
index 64d6d974b..fd779060d 100644
--- a/dynamics/src/CGDynamicsKernel.cpp
+++ b/dynamics/src/CGDynamicsKernel.cpp
@@ -26,7 +26,7 @@ void CGDynamicsKernel<DGadvection>::initialise(
     DynamicsKernel<DGadvection, DGstressComp>::initialise(coords, isSpherical, mask);
 
     //! Initialize the parametric momentum map
-    pmap = std::make_unique<ParametricMomentumMap<CGdegree, DGadvection>>(*smesh);
+    pmap = std::make_unique<ParametricMomentumMap<CGdegree>>(*smesh);
     pmap->InitializeLumpedCGMassMatrix();
     pmap->InitializeDivSMatrices();
 
diff --git a/dynamics/src/include/CGDynamicsKernel.hpp b/dynamics/src/include/CGDynamicsKernel.hpp
index f87a63929..ad8a2a9b7 100644
--- a/dynamics/src/include/CGDynamicsKernel.hpp
+++ b/dynamics/src/include/CGDynamicsKernel.hpp
@@ -37,7 +37,6 @@ class CGDynamicsKernel : public DynamicsKernel<DGadvection, DGstressComp> {
 
 public:
     CGDynamicsKernel()
-        : pmap(nullptr)
     {
     }
     virtual ~CGDynamicsKernel() = default;
@@ -73,7 +72,7 @@ class CGDynamicsKernel : public DynamicsKernel<DGadvection, DGstressComp> {
     CGVector<CGdegree> uAtmos;
     CGVector<CGdegree> vAtmos;
 
-    std::unique_ptr<ParametricMomentumMap<CGdegree, DGadvection>> pmap;
+    std::unique_ptr<ParametricMomentumMap<CGdegree>> pmap;
 };
 
 } /* namespace Nextsim */