diff --git a/src/ASM/LR/ASMLRSpline.C b/src/ASM/LR/ASMLRSpline.C
index 3b95a0db..436ae1dd 100644
--- a/src/ASM/LR/ASMLRSpline.C
+++ b/src/ASM/LR/ASMLRSpline.C
@@ -586,3 +586,12 @@ void ASMLRSpline::getNoIntPoints (size_t& nPt, size_t& nIPt)
   if (nInterface > 0 && nInterface != nel && nGauss > 0 && nGauss <= 10)
     nIPt += nInterface*nGp/nGauss;
 }
+
+
+void ASMLRSpline::swapProjectionBasis ()
+{
+  if (projB2) {
+    std::swap(projB, projB2);
+    std::swap(projThreadGroups, proj2ThreadGroups);
+  }
+}
diff --git a/src/ASM/LR/ASMLRSpline.h b/src/ASM/LR/ASMLRSpline.h
index 515c1f3e..38e4a5a2 100644
--- a/src/ASM/LR/ASMLRSpline.h
+++ b/src/ASM/LR/ASMLRSpline.h
@@ -181,6 +181,9 @@ public:
   //! \brief Computes the total number of integration points in this patch.
   virtual void getNoIntPoints(size_t& nPt, size_t& nIPt);
 
+  //! \brief Swaps between the first and second projection basis.
+  virtual void swapProjectionBasis();
+
 protected:
   //! \brief Refines the mesh adaptively.
   //! \param[in] prm Input data used to control the mesh refinement
diff --git a/src/ASM/LR/ASMu2Dmx.C b/src/ASM/LR/ASMu2Dmx.C
index 4f3c43ac..76ee2b2d 100644
--- a/src/ASM/LR/ASMu2Dmx.C
+++ b/src/ASM/LR/ASMu2Dmx.C
@@ -1210,15 +1210,6 @@ void ASMu2Dmx::copyRefinement (LR::LRSplineSurface* basis,
 }
 
 
-void ASMu2Dmx::swapProjectionBasis ()
-{
-  if (projB2) {
-    std::swap(projB, projB2);
-    std::swap(projThreadGroups, proj2ThreadGroups);
-  }
-}
-
-
 void ASMu2Dmx::getElementsAt (const RealArray& param,
                               std::vector<int>& elms,
                               std::vector<size_t>& sizes) const
diff --git a/src/ASM/LR/ASMu2Dmx.h b/src/ASM/LR/ASMu2Dmx.h
index 1944792d..3b38964b 100644
--- a/src/ASM/LR/ASMu2Dmx.h
+++ b/src/ASM/LR/ASMu2Dmx.h
@@ -213,9 +213,6 @@ public:
   //! \param[in] multiplicity Wanted multiplicity
   void copyRefinement(LR::LRSplineSurface* basis, int multiplicity) const;
 
-  //! \brief Swaps between the main and alternative projection basis.
-  virtual void swapProjectionBasis();
-
   //! \brief Checks if a separate projection basis is used for this patch.
   virtual bool separateProjectionBasis() const;
 
diff --git a/src/ASM/LR/ASMu3Dmx.C b/src/ASM/LR/ASMu3Dmx.C
index c0e67b02..3af13b8c 100644
--- a/src/ASM/LR/ASMu3Dmx.C
+++ b/src/ASM/LR/ASMu3Dmx.C
@@ -1004,15 +1004,6 @@ void ASMu3Dmx::copyRefinement (LR::LRSplineVolume* basis,
 }
 
 
-void ASMu3Dmx::swapProjectionBasis ()
-{
-  if (projB2) {
-    std::swap(projB, projB2);
-    std::swap(projThreadGroups, proj2ThreadGroups);
-  }
-}
-
-
 void ASMu3Dmx::getElementsAt (const RealArray& param,
                               std::vector<int>& elms,
                               std::vector<size_t>& sizes) const
diff --git a/src/ASM/LR/ASMu3Dmx.h b/src/ASM/LR/ASMu3Dmx.h
index 06fc338c..a53e7ce3 100644
--- a/src/ASM/LR/ASMu3Dmx.h
+++ b/src/ASM/LR/ASMu3Dmx.h
@@ -178,9 +178,6 @@ public:
   //! \param[in] multiplicity Wanted multiplicity
   void copyRefinement(LR::LRSplineVolume* basis, int multiplicity) const;
 
-  //! \brief Swaps between the main and alternative projection basis.
-  virtual void swapProjectionBasis();
-
   //! \brief Checks if a separate projection basis is used for this patch.
   virtual bool separateProjectionBasis() const;