1 files changed, 0 insertions, 61 deletions
diff --git a/pkg/syncevent/source.go b/pkg/syncevent/source.go
deleted file mode 100644
index d3d0f34c5..000000000
--- a/pkg/syncevent/source.go
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright 2020 The gVisor 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 syncevent
-
-// Source represents an event source.
-type Source interface {
-	// SubscribeEvents causes the Source to notify the given Receiver of the
-	// given subset of events.
-	//
-	// Preconditions:
-	// * r != nil.
-	// * The ReceiverCallback for r must not take locks that are ordered
-	//   prior to the Source; for example, it cannot call any Source
-	//   methods.
-	SubscribeEvents(r *Receiver, filter Set) SubscriptionID
-
-	// UnsubscribeEvents causes the Source to stop notifying the Receiver
-	// subscribed by a previous call to SubscribeEvents that returned the given
-	// SubscriptionID.
-	//
-	// Preconditions: UnsubscribeEvents may be called at most once for any
-	// given SubscriptionID.
-	UnsubscribeEvents(id SubscriptionID)
-}
-
-// SubscriptionID identifies a call to Source.SubscribeEvents.
-type SubscriptionID uint64
-
-// UnsubscribeAndAck is a convenience function that unsubscribes r from the
-// given events from src and also clears them from r.
-func UnsubscribeAndAck(src Source, r *Receiver, filter Set, id SubscriptionID) {
-	src.UnsubscribeEvents(id)
-	r.Ack(filter)
-}
-
-// NoopSource implements Source by never sending events to subscribed
-// Receivers.
-type NoopSource struct{}
-
-// SubscribeEvents implements Source.SubscribeEvents.
-func (NoopSource) SubscribeEvents(*Receiver, Set) SubscriptionID {
-	return 0
-}
-
-// UnsubscribeEvents implements Source.UnsubscribeEvents.
-func (NoopSource) UnsubscribeEvents(SubscriptionID) {
-}
-
-// See Broadcaster for a non-noop implementations of Source.