diff --git a/tracecallback_noimpl.go b/tracecallback_noimpl.go
new file mode 100644
index 0000000..c0a49e9
--- /dev/null
+++ b/tracecallback_noimpl.go
@@ -0,0 +1,9 @@
+// +build !trace
+
+package sqlite3
+
+import "errors"
+
+func (c *SQLiteConn) RegisterAggregator(name string, impl interface{}, pure bool) error {
+	return errors.New("This feature is not implemented")
+}