diff --git a/go.mod b/go.mod
index 388af2484..de12890f5 100644
--- a/go.mod
+++ b/go.mod
@@ -43,15 +43,3 @@ require (
 	github.com/spf13/pflag v1.0.5 // indirect
 	golang.org/x/sys v0.13.0 // indirect
 )
-
-replace github.com/blevesearch/zapx/v16 => /Users/thejas.orkombu/fts/blevesearch/zapx
-
-replace github.com/blevesearch/zapx/v15 => /Users/thejas.orkombu/fts/blevesearch/zapx15
-
-replace github.com/blevesearch/zapx/v14 => /Users/thejas.orkombu/fts/blevesearch/zapx14
-
-replace github.com/blevesearch/zapx/v13 => /Users/thejas.orkombu/fts/blevesearch/zapx13
-
-replace github.com/blevesearch/zapx/v12 => /Users/thejas.orkombu/fts/blevesearch/zapx12
-
-replace github.com/blevesearch/zapx/v11 => /Users/thejas.orkombu/fts/blevesearch/zapx11
diff --git a/go.sum b/go.sum
index 606052de1..51d0ece96 100644
--- a/go.sum
+++ b/go.sum
@@ -33,6 +33,18 @@ github.com/blevesearch/upsidedown_store_api v1.0.2 h1:U53Q6YoWEARVLd1OYNc9kvhBMG
 github.com/blevesearch/upsidedown_store_api v1.0.2/go.mod h1:M01mh3Gpfy56Ps/UXHjEO/knbqyQ1Oamg8If49gRwrQ=
 github.com/blevesearch/vellum v1.0.10 h1:HGPJDT2bTva12hrHepVT3rOyIKFFF4t7Gf6yMxyMIPI=
 github.com/blevesearch/vellum v1.0.10/go.mod h1:ul1oT0FhSMDIExNjIxHqJoGpVrBpKCdgDQNxfqgJt7k=
+github.com/blevesearch/zapx/v11 v11.3.10 h1:hvjgj9tZ9DeIqBCxKhi70TtSZYMdcFn7gDb71Xo/fvk=
+github.com/blevesearch/zapx/v11 v11.3.10/go.mod h1:0+gW+FaE48fNxoVtMY5ugtNHHof/PxCqh7CnhYdnMzQ=
+github.com/blevesearch/zapx/v12 v12.3.10 h1:yHfj3vXLSYmmsBleJFROXuO08mS3L1qDCdDK81jDl8s=
+github.com/blevesearch/zapx/v12 v12.3.10/go.mod h1:0yeZg6JhaGxITlsS5co73aqPtM04+ycnI6D1v0mhbCs=
+github.com/blevesearch/zapx/v13 v13.3.10 h1:0KY9tuxg06rXxOZHg3DwPJBjniSlqEgVpxIqMGahDE8=
+github.com/blevesearch/zapx/v13 v13.3.10/go.mod h1:w2wjSDQ/WBVeEIvP0fvMJZAzDwqwIEzVPnCPrz93yAk=
+github.com/blevesearch/zapx/v14 v14.3.10 h1:SG6xlsL+W6YjhX5N3aEiL/2tcWh3DO75Bnz77pSwwKU=
+github.com/blevesearch/zapx/v14 v14.3.10/go.mod h1:qqyuR0u230jN1yMmE4FIAuCxmahRQEOehF78m6oTgns=
+github.com/blevesearch/zapx/v15 v15.3.13 h1:6EkfaZiPlAxqXz0neniq35my6S48QI94W/wyhnpDHHQ=
+github.com/blevesearch/zapx/v15 v15.3.13/go.mod h1:Turk/TNRKj9es7ZpKK95PS7f6D44Y7fAFy8F4LXQtGg=
+github.com/blevesearch/zapx/v16 v16.1.6-0.20240805195258-e1776480442c h1:j2znHQQ7LfLtwPNRekgv49D0IbrLkmIMzKAhho3X0L0=
+github.com/blevesearch/zapx/v16 v16.1.6-0.20240805195258-e1776480442c/go.mod h1:Er6ZhsETdPDgHUm7EPlgaNsDz/PuX9fokakN3ZrBYsQ=
 github.com/couchbase/ghistogram v0.1.0 h1:b95QcQTCzjTUocDXp/uMgSNQi8oj1tGwnJ4bODWZnps=
 github.com/couchbase/ghistogram v0.1.0/go.mod h1:s1Jhy76zqfEecpNWJfWUiKZookAFaiGOEoyzgHt9i7k=
 github.com/couchbase/moss v0.2.0 h1:VCYrMzFwEryyhRSeI+/b3tRBSeTpi/8gn5Kf6dxqn+o=
diff --git a/index/scorch/scorch.go b/index/scorch/scorch.go
index 219da07af..5901ac34e 100644
--- a/index/scorch/scorch.go
+++ b/index/scorch/scorch.go
@@ -122,6 +122,7 @@ func NewScorch(storeName string,
 		forceMergeRequestCh:  make(chan *mergerCtrl, 1),
 		segPlugin:            defaultSegmentPlugin,
 		copyScheduled:        map[string]int{},
+		segmentConfig:        make(map[string]interface{}),
 	}
 
 	forcedSegmentType, forcedSegmentVersion, err := configForceSegmentTypeVersion(config)
@@ -324,14 +325,6 @@ func (s *Scorch) openBolt() error {
 		s.rollbackRetentionFactor = r
 	}
 
-	if v, ok := s.config["cacheExpiryTime"]; ok {
-		// validate right at the beginning
-		if _, err = parseToTimeDuration(v); err != nil {
-			return fmt.Errorf("cacheExpiryTime parse err: %v", err)
-		}
-		s.segmentConfig["cacheExpiryTime"] = v
-	}
-
 	typ, ok := s.config["spatialPlugin"].(string)
 	if ok {
 		s.loadSpatialAnalyzerPlugin(typ)