diff --git a/src/factory/PVDataCreateFactory.cpp b/src/factory/PVDataCreateFactory.cpp
index cc04346..6dfff7d 100644
--- a/src/factory/PVDataCreateFactory.cpp
+++ b/src/factory/PVDataCreateFactory.cpp
@@ -60,6 +60,10 @@ template<> const ScalarType PVFloatArray::typeCode = pvFloat;
 template<> const ScalarType PVDoubleArray::typeCode = pvDouble;
 template<> const ScalarType PVStringArray::typeCode = pvString;
 
+
+template<typename T>
+PVScalarValue<T>::~PVScalarValue() {}
+
 template<typename T>
 void PVScalarValue<T>::serialize(ByteBuffer *pbuffer,
     SerializableControl *pflusher) const {
diff --git a/src/pv/pvData.h b/src/pv/pvData.h
index 27ecb67..66e49f4 100644
--- a/src/pv/pvData.h
+++ b/src/pv/pvData.h
@@ -420,7 +420,7 @@ public:
     /**
      * Destructor
      */
-    virtual ~PVScalarValue() {}
+    virtual ~PVScalarValue();
     /**
      * Get the value.
      * @return The value.