diff --git a/blocks/blocksutil/block_generator.go b/blocks/blocksutil/block_generator.go
deleted file mode 100644
index 1161fa820..000000000
--- a/blocks/blocksutil/block_generator.go
+++ /dev/null
@@ -1,35 +0,0 @@
-// Package blocksutil provides utility functions for working
-// with Blocks.
-package blocksutil
-
-import "gx/ipfs/Qmej7nf81hi2x2tvjRBF3mcp74sQyuDH4VMYDGd1YtXjb2/go-block-format"
-
-// NewBlockGenerator returns an object capable of
-// producing blocks.
-func NewBlockGenerator() BlockGenerator {
-	return BlockGenerator{}
-}
-
-// BlockGenerator generates BasicBlocks on demand.
-// For each instace of BlockGenerator,
-// each new block is different from the previous,
-// although two different instances will produce the same.
-type BlockGenerator struct {
-	seq int
-}
-
-// Next generates a new BasicBlock.
-func (bg *BlockGenerator) Next() *blocks.BasicBlock {
-	bg.seq++
-	return blocks.NewBlock([]byte(string(bg.seq)))
-}
-
-// Blocks generates as many BasicBlocks as specified by n.
-func (bg *BlockGenerator) Blocks(n int) []blocks.Block {
-	blocks := make([]blocks.Block, 0, n)
-	for i := 0; i < n; i++ {
-		b := bg.Next()
-		blocks = append(blocks, b)
-	}
-	return blocks
-}
diff --git a/blocks/blocksutil/block_generator_test.go b/blocks/blocksutil/block_generator_test.go
deleted file mode 100644
index 014beee4b..000000000
--- a/blocks/blocksutil/block_generator_test.go
+++ /dev/null
@@ -1,19 +0,0 @@
-package blocksutil
-
-import "testing"
-
-func TestBlocksAreDifferent(t *testing.T) {
-	gen := NewBlockGenerator()
-
-	blocks := gen.Blocks(100)
-
-	for i, block1 := range blocks {
-		for j, block2 := range blocks {
-			if i != j {
-				if block1.String() == block2.String() {
-					t.Error("Found duplicate blocks")
-				}
-			}
-		}
-	}
-}
diff --git a/blockservice/blockservice_test.go b/blockservice/blockservice_test.go
index edcd4cd98..77e664568 100644
--- a/blockservice/blockservice_test.go
+++ b/blockservice/blockservice_test.go
@@ -3,13 +3,13 @@ package blockservice
 import (
 	"testing"
 
-	butil "github.com/ipfs/go-ipfs/blocks/blocksutil"
 	offline "github.com/ipfs/go-ipfs/exchange/offline"
 
 	ds "gx/ipfs/QmXRKBQA4wXP7xWbFiZsR1GP4HV6wMDQ1aWFxZZ4uBcPX9/go-datastore"
 	dssync "gx/ipfs/QmXRKBQA4wXP7xWbFiZsR1GP4HV6wMDQ1aWFxZZ4uBcPX9/go-datastore/sync"
 	blockstore "gx/ipfs/QmaG4DZ4JaqEfvPWt5nPPgoTzhc1tr1T3f4Nu9Jpdm8ymY/go-ipfs-blockstore"
 	blocks "gx/ipfs/Qmej7nf81hi2x2tvjRBF3mcp74sQyuDH4VMYDGd1YtXjb2/go-block-format"
+	butil "gx/ipfs/Qmf951DP11mCoctpyF3ZppPZdo2oAxuNi2vnkVDgHJ8Fqk/go-ipfs-blocksutil"
 )
 
 func TestWriteThroughWorks(t *testing.T) {
diff --git a/exchange/bitswap/bitswap_test.go b/exchange/bitswap/bitswap_test.go
index 1cc8b2d94..e3ddd4f8c 100644
--- a/exchange/bitswap/bitswap_test.go
+++ b/exchange/bitswap/bitswap_test.go
@@ -8,7 +8,6 @@ import (
 	"testing"
 	"time"
 
-	blocksutil "github.com/ipfs/go-ipfs/blocks/blocksutil"
 	decision "github.com/ipfs/go-ipfs/exchange/bitswap/decision"
 	tn "github.com/ipfs/go-ipfs/exchange/bitswap/testnet"
 
@@ -21,6 +20,7 @@ import (
 	cid "gx/ipfs/QmcZfnkapfECQGcLZaf9B79NRg7cRa9EnZh4LSbkCzwNvY/go-cid"
 	blocks "gx/ipfs/Qmej7nf81hi2x2tvjRBF3mcp74sQyuDH4VMYDGd1YtXjb2/go-block-format"
 	detectrace "gx/ipfs/Qmf7HqcW7LtCi1W8y2bdx2eJpze74jkbKqpByxgXikdbLF/go-detect-race"
+	blocksutil "gx/ipfs/Qmf951DP11mCoctpyF3ZppPZdo2oAxuNi2vnkVDgHJ8Fqk/go-ipfs-blocksutil"
 )
 
 // FIXME the tests are really sensitive to the network delay. fix them to work
diff --git a/exchange/bitswap/notifications/notifications_test.go b/exchange/bitswap/notifications/notifications_test.go
index a70a0755a..5c15975db 100644
--- a/exchange/bitswap/notifications/notifications_test.go
+++ b/exchange/bitswap/notifications/notifications_test.go
@@ -6,9 +6,9 @@ import (
 	"testing"
 	"time"
 
-	blocksutil "github.com/ipfs/go-ipfs/blocks/blocksutil"
 	cid "gx/ipfs/QmcZfnkapfECQGcLZaf9B79NRg7cRa9EnZh4LSbkCzwNvY/go-cid"
 	blocks "gx/ipfs/Qmej7nf81hi2x2tvjRBF3mcp74sQyuDH4VMYDGd1YtXjb2/go-block-format"
+	blocksutil "gx/ipfs/Qmf951DP11mCoctpyF3ZppPZdo2oAxuNi2vnkVDgHJ8Fqk/go-ipfs-blocksutil"
 )
 
 func TestDuplicates(t *testing.T) {
diff --git a/exchange/bitswap/session_test.go b/exchange/bitswap/session_test.go
index 75e4da038..cfcf00238 100644
--- a/exchange/bitswap/session_test.go
+++ b/exchange/bitswap/session_test.go
@@ -6,11 +6,10 @@ import (
 	"testing"
 	"time"
 
-	blocksutil "github.com/ipfs/go-ipfs/blocks/blocksutil"
-
 	tu "gx/ipfs/QmVvkK7s5imCiq3JVbL3pGfnhcCnf3LrFJPF4GE2sAoGZf/go-testutil"
 	cid "gx/ipfs/QmcZfnkapfECQGcLZaf9B79NRg7cRa9EnZh4LSbkCzwNvY/go-cid"
 	blocks "gx/ipfs/Qmej7nf81hi2x2tvjRBF3mcp74sQyuDH4VMYDGd1YtXjb2/go-block-format"
+	blocksutil "gx/ipfs/Qmf951DP11mCoctpyF3ZppPZdo2oAxuNi2vnkVDgHJ8Fqk/go-ipfs-blocksutil"
 )
 
 func TestBasicSessions(t *testing.T) {
diff --git a/exchange/offline/offline_test.go b/exchange/offline/offline_test.go
index 19f2d77ae..487d188a0 100644
--- a/exchange/offline/offline_test.go
+++ b/exchange/offline/offline_test.go
@@ -4,14 +4,13 @@ import (
 	"context"
 	"testing"
 
-	"github.com/ipfs/go-ipfs/blocks/blocksutil"
-
 	u "gx/ipfs/QmNiJuT8Ja3hMVpBHXv3Q6dwmperaQ6JjLtpMQgMCD7xvx/go-ipfs-util"
 	ds "gx/ipfs/QmXRKBQA4wXP7xWbFiZsR1GP4HV6wMDQ1aWFxZZ4uBcPX9/go-datastore"
 	ds_sync "gx/ipfs/QmXRKBQA4wXP7xWbFiZsR1GP4HV6wMDQ1aWFxZZ4uBcPX9/go-datastore/sync"
 	blockstore "gx/ipfs/QmaG4DZ4JaqEfvPWt5nPPgoTzhc1tr1T3f4Nu9Jpdm8ymY/go-ipfs-blockstore"
 	cid "gx/ipfs/QmcZfnkapfECQGcLZaf9B79NRg7cRa9EnZh4LSbkCzwNvY/go-cid"
 	blocks "gx/ipfs/Qmej7nf81hi2x2tvjRBF3mcp74sQyuDH4VMYDGd1YtXjb2/go-block-format"
+	blocksutil "gx/ipfs/Qmf951DP11mCoctpyF3ZppPZdo2oAxuNi2vnkVDgHJ8Fqk/go-ipfs-blocksutil"
 )
 
 func TestBlockReturnsErr(t *testing.T) {
diff --git a/package.json b/package.json
index 4204a86b5..a1fddc475 100644
--- a/package.json
+++ b/package.json
@@ -593,6 +593,12 @@
       "hash": "QmdcAXgEHUueP4A7b5hjabKn2EooeHgMreMvFC249dGCgc",
       "name": "go-ipfs-exchange-interface",
       "version": "0.0.1"
+    },
+    {
+      "author": "hsanjuan",
+      "hash": "Qmf951DP11mCoctpyF3ZppPZdo2oAxuNi2vnkVDgHJ8Fqk",
+      "name": "go-ipfs-blocksutil",
+      "version": "0.0.1"
     }
   ],
   "gxVersion": "0.10.0",