diff --git a/tools/cmd/debug/heal_synth.go b/tools/cmd/debug/heal_synth.go
index 86cc1f4c0..af35efa2f 100644
--- a/tools/cmd/debug/heal_synth.go
+++ b/tools/cmd/debug/heal_synth.go
@@ -45,7 +45,6 @@ func healSynth(cmd *cobra.Command, args []string) {
 			// Pull chains
 			pullSynthDirChains(h)
 			pullSynthSrcChains(h, srcUrl)
-			pullSynthDstChains(h, dstUrl)
 
 			// Pull accounts
 			pullSynthLedger(h, srcUrl)
@@ -61,7 +60,6 @@ func healSynth(cmd *cobra.Command, args []string) {
 			// Pull chains
 			pullSynthDirChains(h)
 			pullSynthSrcChains(h, srcUrl)
-			pullSynthDstChains(h, dstUrl)
 
 			// Pull accounts
 		pullAgain:
@@ -136,7 +134,7 @@ func pullSynthDirChains(h *healer) {
 
 	check(h.light.PullAccount(ctx, protocol.DnUrl().JoinPath(protocol.Network)))
 
-	check(h.light.PullAccountWithChains(ctx, protocol.DnUrl().JoinPath(protocol.Ledger), include("root").and("root-index")))
+	check(h.light.PullAccountWithChains(ctx, protocol.DnUrl().JoinPath(protocol.Ledger), includeRootChain))
 	check(h.light.IndexAccountChains(ctx, protocol.DnUrl().JoinPath(protocol.Ledger)))
 
 	check(h.light.PullAccountWithChains(ctx, protocol.DnUrl().JoinPath(protocol.AnchorPool), func(c *api.ChainRecord) bool {
@@ -149,7 +147,7 @@ func pullSynthSrcChains(h *healer, part *url.URL) {
 	ctx, cancel, _ := api.ContextWithBatchData(h.ctx)
 	defer cancel()
 
-	check(h.light.PullAccountWithChains(ctx, part.JoinPath(protocol.Ledger), include("root").and("root-index")))
+	check(h.light.PullAccountWithChains(ctx, part.JoinPath(protocol.Ledger), includeRootChain))
 	check(h.light.IndexAccountChains(ctx, part.JoinPath(protocol.Ledger)))
 
 	check(h.light.PullAccountWithChains(ctx, part.JoinPath(protocol.Synthetic), func(c *api.ChainRecord) bool {
@@ -158,25 +156,8 @@ func pullSynthSrcChains(h *healer, part *url.URL) {
 	check(h.light.IndexAccountChains(ctx, part.JoinPath(protocol.Synthetic)))
 }
 
-func pullSynthDstChains(h *healer, part *url.URL) {
-	// ctx, cancel, _ := api.ContextWithBatchData(h.ctx)
-	// defer cancel()
-
-	// check(h.light.PullAccountWithChains(ctx, part.JoinPath(protocol.Ledger), include("root").and("root-index")))
-	// check(h.light.IndexAccountChains(ctx, part.JoinPath(protocol.Ledger)))
-	// check(h.light.PullAccountWithChains(ctx, part.JoinPath(protocol.AnchorPool), skipSigChain))
-	// check(h.light.IndexAccountChains(ctx, part.JoinPath(protocol.AnchorPool)))
-
-	// if healSinceDuration > 0 {
-	// 	check(h.light.PullMessagesForAccountSince(ctx, part.JoinPath(protocol.AnchorPool), time.Now().Add(-healSinceDuration), "main"))
-	// } else {
-	// 	check(h.light.PullMessagesForAccount(ctx, part.JoinPath(protocol.AnchorPool), "main"))
-	// }
-	// check(h.light.IndexReceivedAnchors(ctx, part))
-}
-
 func pullSynthLedger(h *healer, part *url.URL) *protocol.SyntheticLedger {
-	check(h.light.PullAccountWithChains(h.ctx, part.JoinPath(protocol.Synthetic), skipAllChains))
+	check(h.light.PullAccountWithChains(h.ctx, part.JoinPath(protocol.Synthetic), func(cr *api.ChainRecord) bool { return false }))
 
 	batch := h.light.OpenDB(false)
 	defer batch.Discard()
@@ -186,24 +167,14 @@ func pullSynthLedger(h *healer, part *url.URL) *protocol.SyntheticLedger {
 	return ledger
 }
 
-func skipSigChain(c *api.ChainRecord) bool {
-	return c.Name != "signature"
-}
-
 func skipAllChains(*api.ChainRecord) bool {
 	return false
 }
 
-type chainFilter func(*api.ChainRecord) bool
-
-func include(name string) chainFilter { return chainFilter(nil).and(name) }
-
-func (f chainFilter) and(name string) chainFilter {
-	g := func(c *api.ChainRecord) bool {
-		return c.Name == name
-	}
-	if f == nil {
-		return g
+func includeRootChain(c *api.ChainRecord) bool {
+	switch c.Name {
+	case "root", "root-index":
+		return true
 	}
-	return func(c *api.ChainRecord) bool { return f(c) || g(c) }
+	return false
 }