diff --git a/pkg/registry/apis/query/client/testdata.go b/pkg/registry/apis/query/client/testdata.go
deleted file mode 100644
index e481fde1b96..00000000000
--- a/pkg/registry/apis/query/client/testdata.go
+++ /dev/null
@@ -1,52 +0,0 @@
-package client
-
-import (
-	"context"
-	"fmt"
-	"time"
-
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/runtime/schema"
-
-	query "github.com/grafana/grafana/pkg/apis/query/v0alpha1"
-)
-
-type testdataDummy struct{}
-
-var _ query.DataSourceApiServerRegistry = (*testdataDummy)(nil)
-
-// NewTestDataRegistry returns a registry that only knows about testdata
-func NewTestDataRegistry() query.DataSourceApiServerRegistry {
-	return &testdataDummy{}
-}
-
-// GetDatasourceAPI implements DataSourceRegistry.
-func (*testdataDummy) GetDatasourceGroupVersion(pluginId string) (schema.GroupVersion, error) {
-	if pluginId == "testdata" || pluginId == "grafana-testdata-datasource" {
-		return schema.GroupVersion{
-			Group:   "testdata.datasource.grafana.app",
-			Version: "v0alpha1",
-		}, nil
-	}
-	return schema.GroupVersion{}, fmt.Errorf("unsupported plugin (only testdata for now)")
-}
-
-// GetDatasourcePlugins implements QueryHelper.
-func (d *testdataDummy) GetDatasourceApiServers(ctx context.Context) (*query.DataSourceApiServerList, error) {
-	return &query.DataSourceApiServerList{
-		ListMeta: metav1.ListMeta{
-			ResourceVersion: fmt.Sprintf("%d", time.Now().UnixMilli()),
-		},
-		Items: []query.DataSourceApiServer{
-			{
-				ObjectMeta: metav1.ObjectMeta{
-					Name:              "grafana-testdata-datasource",
-					CreationTimestamp: metav1.Now(),
-				},
-				Title:        "Test Data",
-				GroupVersion: "testdata.datasource.grafana.app/v0alpha1",
-				AliasIDs:     []string{"testdata"},
-			},
-		},
-	}, nil
-}