diff --git a/discovery/cached/legacy.go b/discovery/cached/legacy.go
new file mode 100644
index 00000000..725900a9
--- /dev/null
+++ b/discovery/cached/legacy.go
@@ -0,0 +1,30 @@
+/*
+Copyright 2019 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package memory
+
+import (
+	"k8s.io/client-go/discovery"
+	"k8s.io/client-go/discovery/cached/memory"
+)
+
+// NewMemCacheClient is DEPRECATED. Use memory.NewMemCacheClient directly.
+func NewMemCacheClient(delegate discovery.DiscoveryInterface) discovery.CachedDiscoveryInterface {
+	return memory.NewMemCacheClient(delegate)
+}
+
+// ErrCacheNotFound is DEPRECATED. Use memory.ErrCacheNotFound directly.
+var ErrCacheNotFound = memory.ErrCacheNotFound