diff --git a/bar.go b/bar.go
index 63ca61c..0a9e033 100644
--- a/bar.go
+++ b/bar.go
@@ -304,7 +304,7 @@
 				close(ch)
 			}()
 			s.draw(tw, prependWs, appendWs)
-			ch <- &writeBuf{s.toBytes(), s.isFull()}
+			ch <- &writeBuf{s.toBytes(), s.completed}
 		}:
 		case <-b.done:
 			s := b.cacheState
@@ -336,23 +336,6 @@
 	s.blockStartTime = next
 }
 
-func (s *state) isFull() bool {
-	if !s.completed {
-		return false
-	}
-	bar := s.bufB.Bytes()
-	var r rune
-	var n int
-	for i := 0; len(bar) > 0; i++ {
-		r, n = utf8.DecodeLastRune(bar)
-		bar = bar[:len(bar)-n]
-		if i == 1 {
-			break
-		}
-	}
-	return r == s.format[rFill]
-}
-
 func (s *state) draw(termWidth int, prependWs, appendWs *widthSync) {
 	if termWidth <= 0 {
 		termWidth = 2