diff --git a/node/basicnode/list_test.go b/node/basicnode/list_test.go
index ff5108fc..c796403c 100644
--- a/node/basicnode/list_test.go
+++ b/node/basicnode/list_test.go
@@ -371,6 +371,9 @@ func TestListAmendingBuilderCopiedNode(t *testing.T) {
 	appendElems, err = qp.BuildList(basicnode.Prototype.List, 1, func(am datamodel.ListAssembler) {
 		qp.ListEntry(am, qp.Node(nestedList))
 	})
+	if err != nil {
+		t.Fatal(err)
+	}
 	err = amender.Append(appendElems)
 	if err != nil {
 		t.Fatal(err)
diff --git a/node/basicnode/map_test.go b/node/basicnode/map_test.go
index e5773806..65441233 100644
--- a/node/basicnode/map_test.go
+++ b/node/basicnode/map_test.go
@@ -407,7 +407,7 @@ func TestMapAmendingBuilderNewNode(t *testing.T) {
 	qt.Assert(t, actual, qt.Equals, expect)
 
 	// Should not find "cat"
-	r, err = amender.Get("cat")
+	_, err = amender.Get("cat")
 	if _, notFoundErr := err.(datamodel.ErrNotExists); !notFoundErr {
 		t.Fatal(err)
 	}
@@ -542,7 +542,7 @@ func TestMapAmendingBuilderExistingNode(t *testing.T) {
 	qt.Assert(t, actual, qt.Equals, expect)
 
 	// Should not find "cat"
-	r, err = amender.Get("cat")
+	_, err = amender.Get("cat")
 	if _, notFoundErr := err.(datamodel.ErrNotExists); !notFoundErr {
 		t.Fatal(err)
 	}