diff --git a/go.sum b/go.sum
index a46059f53..17e1e4148 100644
--- a/go.sum
+++ b/go.sum
@@ -361,8 +361,6 @@ github.com/filecoin-project/go-jsonrpc v0.1.5/go.mod h1:XBBpuKIMaXIIzeqzO1iucq4G
 github.com/filecoin-project/go-legs v0.0.0-20211013165050-9ab325b6d2eb/go.mod h1:lKwBnslfNGG7JnsP9uQZl3yK7f74fit1MyHcwuuOP3k=
 github.com/filecoin-project/go-legs v0.0.0-20211112111427-68d536862db9/go.mod h1:g32LVimhcYPte22LK8XslKqLBem54QxuMQmkrzbAyEI=
 github.com/filecoin-project/go-legs v0.0.0-20211125094504-5fdf15090c48/go.mod h1:g32LVimhcYPte22LK8XslKqLBem54QxuMQmkrzbAyEI=
-github.com/filecoin-project/go-legs v0.0.0-20211202193658-45deff4405e1 h1:dq7K8iCh8gnttxr35BHJcI6o/8I5z1sArlqL9LJjti0=
-github.com/filecoin-project/go-legs v0.0.0-20211202193658-45deff4405e1/go.mod h1:8rq/QxX6wlL0AehqVi5CqxXT3xYz1LIpp1HCZ6qI2EY=
 github.com/filecoin-project/go-legs v0.0.0-20211209161055-918cd188bf1d h1:DXm6XG2YibCTcm1vmNz9FWZ2nwz8tgoycrhclZRgKzA=
 github.com/filecoin-project/go-legs v0.0.0-20211209161055-918cd188bf1d/go.mod h1:HFp0jUZopkX9DW6FOmhHltVfEatfAcm3ZD6Z/kY4iNg=
 github.com/filecoin-project/go-multistore v0.0.3/go.mod h1:kaNqCC4IhU4B1uyr7YWFHd23TL4KM32aChS0jNkyUvQ=
diff --git a/node/config/def.go b/node/config/def.go
index 6c518d209..1bf58572d 100644
--- a/node/config/def.go
+++ b/node/config/def.go
@@ -10,6 +10,7 @@ import (
 
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/big"
+	ipconfig "github.com/filecoin-project/index-provider/config"
 	miner5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/miner"
 
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
@@ -224,6 +225,15 @@ func DefaultStorageMiner() *StorageMiner {
 			GCInterval:                 Duration(1 * time.Minute),
 		},
 	}
+
+	// TODO: Remove hardcoded defaults once provider library exposes them.
+	// See: https://github.com/filecoin-project/index-provider/issues/108
+	cfg.IndexerProvider.Ingest = ipconfig.Ingest{
+		LinkCacheSize:   1024,
+		LinkedChunkSize: 100,
+		PubSubTopic:     "indexer/ingest",
+	}
+
 	cfg.Common.API.ListenAddress = "/ip4/127.0.0.1/tcp/2345/http"
 	cfg.Common.API.RemoteListenAddress = "127.0.0.1:2345"
 	return cfg
diff --git a/node/config/def_test.go b/node/config/def_test.go
index d45bc6ec8..85264358b 100644
--- a/node/config/def_test.go
+++ b/node/config/def_test.go
@@ -52,3 +52,8 @@ func TestDefaultMinerRoundtrip(t *testing.T) {
 
 	require.True(t, reflect.DeepEqual(c, c2))
 }
+
+func TestDefaultStorageMiner_SetsIndexIngestTopic(t *testing.T) {
+	subject := DefaultStorageMiner()
+	require.Equal(t, "indexer/ingest", subject.IndexerProvider.PubSubTopic)
+}