diff --git a/src/ca/access.cpp b/src/ca/access.cpp
index edba95c00..a0f9ed4a8 100644
--- a/src/ca/access.cpp
+++ b/src/ca/access.cpp
@@ -1414,7 +1414,7 @@ epicsShareDef const unsigned short dbr_value_size[LAST_BUFFER_TYPE+1] = {
 	sizeof(dbr_string_t),	/* string max size		*/
 };
 
-// extern "C"
+//extern "C" 
 epicsShareDef const enum dbr_value_class dbr_value_class[LAST_BUFFER_TYPE+1] = {
 	dbr_class_string,	/* string max size		*/
 	dbr_class_int,		/* short			*/
diff --git a/src/libCom/cxxTemplates/epicsSingleton.h b/src/libCom/cxxTemplates/epicsSingleton.h
index 847f0b780..ab18cd970 100644
--- a/src/libCom/cxxTemplates/epicsSingleton.h
+++ b/src/libCom/cxxTemplates/epicsSingleton.h
@@ -75,6 +75,7 @@ public:
 
     private:
         TYPE & instance;
+	    reference & operator = ( const reference & );
     };
 
     // lock overhead every time these are called
@@ -83,6 +84,8 @@ public:
 
 private:
     TYPE * pSingleton;
+	epicsSingleton ( const epicsSingleton & );
+	epicsSingleton & operator = ( const epicsSingleton & );
 };
 
 template < class TYPE >