diff --git a/opm/simulators/linalg/bda/WellContributionsOCLContainer.cpp b/opm/simulators/linalg/bda/WellContributionsOCLContainer.cpp
index 6c3d7a9f6..875a62442 100644
--- a/opm/simulators/linalg/bda/WellContributionsOCLContainer.cpp
+++ b/opm/simulators/linalg/bda/WellContributionsOCLContainer.cpp
@@ -110,4 +110,8 @@ namespace bda
             applyStdWells(x, y);
         }
     }
+
+    WellContributionsOCLContainer::~WellContributionsOCLContainer(){
+        toOrder.clear();
+    }
 } // end namespace bda
diff --git a/opm/simulators/linalg/bda/WellContributionsOCLContainer.hpp b/opm/simulators/linalg/bda/WellContributionsOCLContainer.hpp
index 3f6182a20..4d486fd6c 100644
--- a/opm/simulators/linalg/bda/WellContributionsOCLContainer.hpp
+++ b/opm/simulators/linalg/bda/WellContributionsOCLContainer.hpp
@@ -52,7 +52,7 @@ namespace bda
 
     public:
         WellContributionsOCLContainer() {};
-        ~WellContributionsOCLContainer() {};
+        ~WellContributionsOCLContainer();
 
         void apply(cl::Buffer& x, cl::Buffer& y);
         void init(Opm::WellContributions &wellContribs, int Nb);