diff --git a/flowcontrol/flow_control_manager.go b/flowcontrol/flow_control_manager.go
index e603df0a..f2e565be 100644
--- a/flowcontrol/flow_control_manager.go
+++ b/flowcontrol/flow_control_manager.go
@@ -180,17 +180,6 @@ func (f *flowControlManager) UpdateWindow(streamID protocol.StreamID, offset pro
 	return streamFlowController.UpdateSendWindow(offset), nil
 }
 
-func (f *flowControlManager) StreamContributesToConnectionFlowControl(streamID protocol.StreamID) (bool, error) {
-	f.mutex.RLock()
-	defer f.mutex.RUnlock()
-
-	contributes, ok := f.contributesToConnectionFlowControl[streamID]
-	if !ok {
-		return false, errMapAccess
-	}
-	return contributes, nil
-}
-
 func (f *flowControlManager) getFlowController(streamID protocol.StreamID) (*flowController, error) {
 	streamFlowController, ok := f.streamFlowController[streamID]
 	if !ok {
diff --git a/flowcontrol/flow_control_manager_test.go b/flowcontrol/flow_control_manager_test.go
index a03c3f8a..b0f97da6 100644
--- a/flowcontrol/flow_control_manager_test.go
+++ b/flowcontrol/flow_control_manager_test.go
@@ -184,26 +184,5 @@ var _ = Describe("Flow Control Manager", func() {
 				Expect(size).To(Equal(protocol.ByteCount(0x1000)))
 			})
 		})
-
-		Context("streams contributing to connection-level flow control", func() {
-			It("says that a stream contributes", func() {
-				fcm.NewStream(5, true)
-				contributes, err := fcm.StreamContributesToConnectionFlowControl(5)
-				Expect(err).ToNot(HaveOccurred())
-				Expect(contributes).To(BeTrue())
-			})
-
-			It("says that a stream doesn't contribute", func() {
-				fcm.NewStream(3, false)
-				contributes, err := fcm.StreamContributesToConnectionFlowControl(3)
-				Expect(err).ToNot(HaveOccurred())
-				Expect(contributes).To(BeFalse())
-			})
-
-			It("returns an error for an unknown stream", func() {
-				_, err := fcm.StreamContributesToConnectionFlowControl(1337)
-				Expect(err).To(HaveOccurred())
-			})
-		})
 	})
 })
diff --git a/flowcontrol/interface.go b/flowcontrol/interface.go
index 22184bcf..289e1166 100644
--- a/flowcontrol/interface.go
+++ b/flowcontrol/interface.go
@@ -15,5 +15,4 @@ type FlowControlManager interface {
 	SendWindowSize(streamID protocol.StreamID) (protocol.ByteCount, error)
 	RemainingConnectionWindowSize() protocol.ByteCount
 	UpdateWindow(streamID protocol.StreamID, offset protocol.ByteCount) (bool, error)
-	StreamContributesToConnectionFlowControl(streamID protocol.StreamID) (bool, error)
 }
diff --git a/stream_test.go b/stream_test.go
index 039119f7..e0dfc987 100644
--- a/stream_test.go
+++ b/stream_test.go
@@ -89,14 +89,6 @@ func (m *mockFlowControlHandler) RemainingConnectionWindowSize() protocol.ByteCo
 func (m *mockFlowControlHandler) UpdateWindow(streamID protocol.StreamID, offset protocol.ByteCount) (bool, error) {
 	panic("not implemented")
 }
-func (m *mockFlowControlHandler) StreamContributesToConnectionFlowControl(streamID protocol.StreamID) (bool, error) {
-	for _, id := range m.streamsContributing {
-		if id == streamID {
-			return true, nil
-		}
-	}
-	return false, nil
-}
 
 var _ = Describe("Stream", func() {
 	var (