diff --git a/moo.js b/moo.js
index c927495..5861cc3 100644
--- a/moo.js
+++ b/moo.js
@@ -424,10 +424,6 @@
     }
   }
 
-  Lexer.prototype.remaining = function() {
-    return this.buffer.slice(this.index)
-  }
-
   Lexer.prototype.clone = function() {
     return new Lexer(this.states, this.state)
   }
diff --git a/test/test.js b/test/test.js
index eb77b74..3e373f4 100644
--- a/test/test.js
+++ b/test/test.js
@@ -251,16 +251,6 @@ describe('lexer', () => {
     expect(clone.next()).toMatchObject({value: '2'})
   })
 
-  test('remaining', () => {
-    simpleLexer.reset('lik bred')
-    simpleLexer.next()
-    expect(simpleLexer.remaining()).toBe(' bred')
-    simpleLexer.next()
-    expect(simpleLexer.remaining()).toBe('bred')
-    simpleLexer.next()
-    expect(simpleLexer.remaining()).toBe('')
-  })
-
 })