diff --git a/interop-tests/src/main/protobuf/crdt-example.proto b/interop-tests/src/main/protobuf/crdt-example.proto
deleted file mode 100644
index d4d9364e1..000000000
--- a/interop-tests/src/main/protobuf/crdt-example.proto
+++ /dev/null
@@ -1,65 +0,0 @@
-syntax = "proto3";
-
-import "google/protobuf/empty.proto";
-
-package com.example.crdts;
-
-message UpdateCounter {
-    string key = 1;
-    int64 value = 2;
-}
-
-message CounterValue {
-    int64 value = 1;
-}
-
-message Get {
-    string key = 1;
-}
-
-message SomeValue {
-    string key = 1;
-    string description = 2;
-}
-
-message MutateSet {
-    string key = 1;
-    bool clear = 2;
-    repeated SomeValue remove = 3;
-    repeated SomeValue add = 4;
-}
-
-message SetSize {
-    int32 size = 1;
-}
-
-message SetValue {
-    repeated SomeValue items = 1;
-}
-
-message User {
-    string name = 1;
-}
-
-message OnlineStatus {
-    bool online = 1;
-}
-
-service CrdtExample {
-    rpc IncrementGCounter(UpdateCounter) returns (CounterValue);
-    rpc GetGCounter(Get) returns (CounterValue);
-
-    rpc UpdatePNCounter(UpdateCounter) returns (CounterValue);
-    rpc GetPNCounter(Get) returns (CounterValue);
-
-    rpc MutateGSet(MutateSet) returns (SetSize);
-    rpc GetGSet(Get) returns (SetValue);
-
-    rpc MutateORSet(MutateSet) returns (SetSize);
-    rpc GetORSet(Get) returns (SetValue);
-
-    // Connect the given user. They will stay connected as long as the stream stays open.
-    rpc Connect(User) returns (stream google.protobuf.Empty);
-    // Monitor the online status of the given user.
-    rpc Monitor(User) returns (stream OnlineStatus);
-}