diff --git a/pvDataApp/factory/TypeFunc.cpp b/pvDataApp/factory/TypeFunc.cpp
index 2fa0872..3d1a51a 100644
--- a/pvDataApp/factory/TypeFunc.cpp
+++ b/pvDataApp/factory/TypeFunc.cpp
@@ -14,6 +14,7 @@
 
 #include <pv/pvIntrospect.h>
 #include <pv/epicsException.h>
+#include <pv/sharedVector.h>
 
 #include "dbDefs.h" // for NELEMENTS
 
diff --git a/pvDataApp/misc/sharedVector.h b/pvDataApp/misc/sharedVector.h
index 953660d..5f921a9 100644
--- a/pvDataApp/misc/sharedVector.h
+++ b/pvDataApp/misc/sharedVector.h
@@ -9,6 +9,7 @@
 #include <cassert>
 
 #include "pv/sharedPtr.h"
+#include "pv/pvIntrospect.h"
 
 namespace epics { namespace pvData {
 
@@ -573,6 +574,22 @@ const_shared_vector_cast(const shared_vector<const TYPE>& src)
 }
 
 
+
+namespace ScalarTypeFunc {
+    //! Allocate an untyped array based on ScalarType
+    shared_vector<void> allocArray(ScalarType id, size_t len);
+
+    //! Allocate an untyped array based on ScalarType
+    template<ScalarType ID>
+    inline
+    shared_vector<typename ScalarTypeTraits<ID>::type>
+    allocArray(size_t len)
+    {
+        shared_vector<void> raw(allocArray(ID, len));
+        return static_shared_vector_cast<typename ScalarTypeTraits<ID>::type>(raw);
+    }
+}
+
 }} // namespace epics::pvData
 
 // Global operators for shared_vector
diff --git a/pvDataApp/pv/pvIntrospect.h b/pvDataApp/pv/pvIntrospect.h
index f1df915..b897325 100644
--- a/pvDataApp/pv/pvIntrospect.h
+++ b/pvDataApp/pv/pvIntrospect.h
@@ -16,7 +16,6 @@
 #include <pv/pvType.h>
 #include <pv/byteBuffer.h>
 #include <pv/serialize.h>
-#include <pv/sharedVector.h>
 
 namespace epics { namespace pvData { 
 
@@ -583,21 +582,5 @@ OP(pvDouble, double);
 OP(pvString, String);
 #undef OP
 
-
-namespace ScalarTypeFunc {
-    //! Allocate an untyped array based on ScalarType
-    shared_vector<void> allocArray(ScalarType id, size_t len);
-
-    //! Allocate an untyped array based on ScalarType
-    template<ScalarType ID>
-    inline
-    shared_vector<typename ScalarTypeTraits<ID>::type>
-    allocArray(size_t len)
-    {
-        shared_vector<void> raw(allocArray(ID, len));
-        return static_shared_vector_cast<typename ScalarTypeTraits<ID>::type>(raw);
-    }
-}
-
 }}
 #endif  /* PVINTROSPECT_H */