diff --git a/src/db/dbContext.cpp b/src/db/dbContext.cpp
index cb7b17b8d..cb0e40466 100644
--- a/src/db/dbContext.cpp
+++ b/src/db/dbContext.cpp
@@ -33,7 +33,6 @@
 #include "caerr.h" // should be eliminated here in the future
 #include "epicsEvent.h"
 #include "epicsThread.h"
-#include "epicsSingleton.h"
 
 #define epicsExportSharedSymbols
 #include "db_access_routines.h"
diff --git a/src/db/dbContextReadNotifyCache.cpp b/src/db/dbContextReadNotifyCache.cpp
index ed056523b..5067f1646 100644
--- a/src/db/dbContextReadNotifyCache.cpp
+++ b/src/db/dbContextReadNotifyCache.cpp
@@ -155,8 +155,9 @@ void dbContextReadNotifyCacheAllocator::show ( unsigned level ) const
             pNext = _pReadNotifyCache->pNext;
             count++;
         }
-        printf ( "\tcount %u and size %lu\n", 
-            count, _readNotifyCacheSize );
+        printf ( "\tcount %lu and size %lu\n", 
+            static_cast < unsigned long > ( count ), 
+            _readNotifyCacheSize );
     }
 }