diff --git a/src/index.js b/src/index.js
index cda741a..f2d6ca5 100644
--- a/src/index.js
+++ b/src/index.js
@@ -15,6 +15,10 @@ module.exports = class BlockService {
     this._bitswap = bitswap
   }
 
+  goOffline () {
+    this._bitswap = null
+  }
+
   isOnline () {
     return this._bitswap != null
   }
diff --git a/test/block-service-test.js b/test/block-service-test.js
index 3c4e991..63ea619 100644
--- a/test/block-service-test.js
+++ b/test/block-service-test.js
@@ -213,6 +213,14 @@ module.exports = (repo) => {
           })
         })
       })
+
+      it('goes offline', () => {
+        bs = new BlockService(repo)
+        bs.goOnline({})
+        expect(bs.isOnline()).to.be.eql(true)
+        bs.goOffline()
+        expect(bs.isOnline()).to.be.eql(false)
+      })
     })
 
     describe('online', () => {