diff --git a/go/ql/lib/semmle/go/dataflow/GlobalValueNumbering.qll b/go/ql/lib/semmle/go/dataflow/GlobalValueNumbering.qll
index ba3a3c73302..e566ca41c2f 100644
--- a/go/ql/lib/semmle/go/dataflow/GlobalValueNumbering.qll
+++ b/go/ql/lib/semmle/go/dataflow/GlobalValueNumbering.qll
@@ -255,8 +255,6 @@ private predicate globalValueNumbers(DataFlow::CallNode ce, int start, GVN head,
  * methods.
  */
 class GVN extends GvnBase {
-  GVN() { this instanceof GvnBase }
-
   /** Gets a data-flow node that has this GVN. */
   DataFlow::Node getANode() { this = globalValueNumber(result) }