diff --git a/docs/lazy-adr/adr-002-ipds-da-sampling.md b/docs/lazy-adr/adr-002-ipds-da-sampling.md
index cb21e75499..aa18ce5403 100644
--- a/docs/lazy-adr/adr-002-ipds-da-sampling.md
+++ b/docs/lazy-adr/adr-002-ipds-da-sampling.md
@@ -161,7 +161,7 @@ func RetrieveBlockData(ctx contex.Context, dah *DataAvailabilityHeader) (types.D
 // the row to the Merkle Dag, in our case a Namespaced Merkle Tree.
 // Note, that this method could also fill the DA header.
 // The data will be pinned by default.
-func (b *Block) PutBlock(ctx contex.Context) error
+func (b *Block) PutBlock(ctx contex.Context, nodeAdder ipld.NodeAdder) error
 ```
 
 We now describe the lower-level library that will be used by above methods.
@@ -185,15 +185,6 @@ func GetLeafData(
     leafIndex uint32,
     totalLeafs uint32, // this corresponds to the extended square width
 ) ([]byte, error)
-
-// PutLeaves takes the namespaced leaves, a row of the from the extended data square,
-// and calls nodes.DataSquareRowOrColumnRawInputParser of the ipld plugin.
-// The resulting ipld nodes are passed to a Batch calling AddMany:
-// https://github.com/ipfs/go-ipld-format/blob/d2e09424ddee0d7e696d01143318d32d0fb1ae63/batch.go#L29
-// Note, that this method could also return the row and column roots.
-// Tha caller is responsible for making sure that the leaves are sorted by namespace ID.
-// The data will be pinned by default.
-func PutLeaves(ctx contex.Context, namespacedLeaves [][]byte) error
 ```
 
 `GetLeafData` can be used by above `ValidateAvailability` and `RetrieveBlock` and
diff --git a/types/block.go b/types/block.go
index 5ec945aa0c..2ffefad8ec 100644
--- a/types/block.go
+++ b/types/block.go
@@ -266,8 +266,8 @@ func mustPush(rowTree *nmt.NamespacedMerkleTree, id namespace.ID, data []byte) {
 
 // PutBlock posts and pins erasured block data to IPFS using the provided
 // ipld.NodeAdder. Note: the erasured data is currently recomputed
-func (b *Block) PutBlock(ctx context.Context, api format.NodeAdder) error {
-	if api == nil {
+func (b *Block) PutBlock(ctx context.Context, nodeAdder format.NodeAdder) error {
+	if nodeAdder == nil {
 		return errors.New("no ipfs node adder provided")
 	}
 
@@ -292,7 +292,7 @@ func (b *Block) PutBlock(ctx context.Context, api format.NodeAdder) error {
 	// iterate through each set of col and row leaves
 	for _, leafSet := range leaves {
 		// create a batch per each leafSet
-		batchAdder := nodes.NewNmtNodeAdder(ctx, format.NewBatch(ctx, api))
+		batchAdder := nodes.NewNmtNodeAdder(ctx, format.NewBatch(ctx, nodeAdder))
 		tree := nmt.New(sha256.New(), nmt.NodeVisitor(batchAdder.Visit))
 		for _, share := range leafSet {
 			err = tree.Push(share[:NamespaceSize], share[NamespaceSize:])